JP2004107299A - New 1-substituted urasil derivative and therapeutic agent for allergic disease - Google Patents

New 1-substituted urasil derivative and therapeutic agent for allergic disease Download PDF

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JP2004107299A
JP2004107299A JP2002275714A JP2002275714A JP2004107299A JP 2004107299 A JP2004107299 A JP 2004107299A JP 2002275714 A JP2002275714 A JP 2002275714A JP 2002275714 A JP2002275714 A JP 2002275714A JP 2004107299 A JP2004107299 A JP 2004107299A
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group
pharmaceutically acceptable
acceptable salt
substituted
atom
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Japanese (ja)
Inventor
Yoshiaki Isobe
磯部 義明
Ikuhiro Obara
小原 郁博
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Eneos Corp
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Japan Energy Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a new compound having also antiinflammatory action in addition to antihistamic action. <P>SOLUTION: The present invention provides a salt of a compound represented by general formula (I) which is an urasil derivative having a substituted piperidine or piperazine through a spacer from a phenyl group at first position of 1-phenyl-2, 4(1H, 3H)-pyrimidinedione skeleton and pharmaceutical applications thereof. Concrete one example of the compound represented by general formula (I) is 6-amino-1-[4-[3-[4-(diphenylmethyl)-1-piperazinyl]pyropyl]aminocarbonylphenyl]-3-methyluracyl. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、優れた抗アレルギー作用、抗ヒスタミン作用、抗炎症作用などを有し、アトピー性皮膚炎、アレルギー鼻炎、気管支喘息、アレルギー性結膜炎、慢性蕁麻疹などの予防・治療剤として有用な新規なウラシル誘導体及びその医薬用途に関する。
【0002】
【従来の技術】
アレルギー性結膜炎、アレルギー性鼻炎、慢性蕁麻疹、アトピー性皮膚炎などのアレルギー性疾患は主にはI型アレルギーにより引き起こされる疾患であるが、慢性的に経過すると好酸球を主体とする炎症性細胞が患部に浸潤し、炎症像を呈するようになる。これらの疾患に対しては、対症療法剤として抗ヒスタミン剤が汎用されている。しかしながら、抗ヒスタミン剤は炎症自体に対しては無効であり、根治療法剤とはなり得ない。そのため、抗ヒスタミン剤に加えて、抗炎症剤であるステロイド剤を併用する治療が行われている。しかしながら、ステロイド剤は感染症、副腎萎縮、骨粗鬆症、糖尿病、小児の成長障害等問題となる副作用がある。
【0003】
【発明が解決しようとする課題】
従来の抗ヒスタミン剤は抗炎症作用を持たないため、抗ヒスタミン作用に加えて、抗炎症作用を併せ持ち、安全性などの点でより満足のいく新規化合物の開発が望まれている。
【0004】
【課題を解決するための手段】
本発明者らは、前記の課題を解決するため、種々鋭意研究を行った結果、1−フェニル−2,4(1H,3H)−ピリミジンジオン骨格の1位のフェニル基からスペーサーを介して置換ピペリジンやピペラジンを有するところに化学構造上の大きな特徴を持つ新規なウラシル誘導体が、抗ヒスタミン作用を示すと共に遅発型の炎症反応をも顕著に抑制することを見いだし、本発明を完成するに至った。
【0005】
即ち、本発明は以下の発明を包含する。
(1)一般式(I):
【化2】

Figure 2004107299
(式中、Rは水素原子、置換又は無置換の炭素数1〜4のアルキル基あるいは置換又は無置換の炭素数7〜10のアラルキル基を表し、R、Rはそれぞれ水素原子又は炭素数1〜4のアルキル基を表し、Ar、Arはそれぞれ置換又は無置換のフェニル基あるいは置換又は無置換の単環芳香族複素環基を表すが、Ar及びArの双方に結合する基によって第3の環を形成してもよく、WはO、NH、COO、OCO、CONH、NHCO、CHNH、又はCHNHCOを表し、Wはウラシル骨格1位のフェニル基上のオルト、メタ、パラいずれの位置に置換していてもよく、Xはメチン基(CH)又は窒素原子を表し、Yは、Xがメチン基の時、単結合又は酸素原子を表し、Xが窒素原子の時、単結合を表し、Zは、Xがメチン基でYが単結合の時、水素原子又は水酸基を表し、Xがメチン基でYが酸素原子の時及びXが窒素原子(Yは単結合)の時、水素原子を表し、mは2〜6を表す。)
で表されるウラシル誘導体又はその薬学的に許容される塩。
【0006】
(2)一般式(I)において、Ar、Arがそれぞれ置換又は無置換のフェニル基である前記(1)に記載のウラシル誘導体又はその薬学的に許容される塩。
(3)一般式(I)において、Ar、Arがそれぞれ(1)ハロゲン原子もしくは炭素数1〜4のアルキル基で置換されていてもよいフェニル基又は(2)炭素原子以外に窒素原子、硫黄原子及び酸素原子から選ばれる1ないし4個のヘテロ原子を含む5ないし8員の芳香族複素環基である前記(1)に記載のウラシル誘導体又はその薬学的に許容される塩。
(4)一般式(I)において、WがCONH又はNHCOである前記(1)〜(3)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩。
(5)一般式(I)において、Xがメチン基である前記(1)〜(4)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩。
(6)一般式(I)において、Xが窒素原子である前記(1)〜(4)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩。
(7)前記(1)〜(6)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有する抗ヒスタミン剤。
(8)前記(1)〜(6)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有する抗アレルギー剤。
(9)前記(1)〜(6)のいずれかに記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有するアレルギー性結膜炎、アレルギー性鼻炎、慢性蕁麻疹、アトピー性皮膚炎、喘息又は慢性気管支炎の予防・治療剤。
【0007】
【発明の実施の形態】
本発明の化合物を更に詳細に説明すると、Rで示される無置換の炭素数1〜4のアルキル基としては、メチル基、エチル基、プロピル基(1−プロピル基)、イソプロピル基(2−プロピル基)、ブチル基(1−ブチル基)、sec−ブチル基(2−ブチル基)、イソブチル基(2−メチル−1−プロピル基)、t−ブチル基(2−メチル−2−プロピル基)を挙げることができる。Rで示される炭素数1〜4のアルキル基上に許容される置換基としては、フッ素原子、塩素原子のようなハロゲン原子、水酸基、炭素数1〜4のアルコキシ基、炭素数1〜5のアシルオキシ基、カルボキシル基、炭素数2〜5のアルコキシカルボニル基を挙げることができ、具体的なRで示される置換の炭素数1〜4のアルキル基として、トリフルオロメチル基、2−クロロエチル基、2−ヒドロキシエチル基、3−ヒドロキシプロピル基、2−メトキシエチル基、2−エトキシエチル基、3−メトキシプロピル基、2−アセトキシエチル基、カルボキシメチル基、メトキシカルボニルメチル基、エトキシカルボニルメチル基などを挙げることができる。またRで示される無置換の炭素数7〜10のアラルキル基としては、ベンジル基、1−フェニルエチル基、2−フェニルエチル基(フェネチル基)、1−フェニルプロピル基、2−フェニルプロピル基、2−フェニル−2−プロピル基、3−フェニルプロピル基、2−メチルベンジル基、3−メチルベンジル基、4−メチルベンジル基、4−メチルフェネチル基などを挙げることができる。Rで示される炭素数7〜10のアラルキル基上に許容される置換基としては、フッ素原子、塩素原子のようなハロゲン原子、水酸基、炭素数1〜4のアルコキシ基、炭素数1〜5のアシルオキシ基、カルボキシル基、炭素数2〜5のアルコキシカルボニル基を挙げることができ、具体的なRで示される置換の炭素数7〜10のアラルキル基として、4−フルオロベンジル基、3−クロロベンジル基、4−ヒドロキシベンジル基、3−メトキシベンジル基、4−メトキシベンジル基、4−エトキシベンジル基、4−アセトキシベンジル基、4−カルボキシベンジル基、4−メトキシカルボニルベンジル基などを挙げることができる。以上の中で好ましいRとして水素原子、メチル基、エチル基、プロピル基、ブチル基、ベンジル基、2−フェニルエチル基を挙げることができ、中でも水素原子、メチル基、エチル基が特に好ましい。
【0008】
、Rで示される炭素数1〜4のアルキル基としては、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、sec−ブチル基、イソブチル基、t−ブチル基を挙げることができる。好ましいR、Rとして水素原子、メチル基、エチル基、プロピル基、ブチル基を挙げることができ、中でも水素原子、メチル基、エチル基が特に好ましい。
【0009】
Ar、Arで示されるフェニル基上に有していてもよい置換基として、ハロゲン原子、炭素数1〜4のアルキル基、水酸基、炭素数1〜4のアルコキシ基、炭素数1〜5のアシルオキシ基、カルボキシル基、炭素数2〜5のアルコキシカルボニル基、シアノ基、テトラゾリル基、ニトロ基を挙げることができ、具体的なAr、Arで示される置換のフェニル基として、2−フルオロフェニル基、3−フルオロフェニル基、4−フルオロフェニル基、2−クロロフェニル基、3−クロロフェニル基、4−クロロフェニル基、2−メチルフェニル基、3−メチルフェニル基、4−メチルフェニル基、2−エチルフェニル基、3−エチルフェニル基、2,3−ジメチルフェニル基、2,4−ジメチルフェニル基、2,5−ジメチルフェニル基、2,6−ジメチルフェニル基、3,4−ジメチルフェニル基、3,5−ジメチルフェニル基、4−エチルフェニル基、2−ヒドロキシフェニル基、3−ヒドロキシフェニル基、4−ヒドロキシフェニル基、2−メトキシフェニル基、3−メトキシフェニル基、4−メトキシフェニル基、2−エトキシフェニル基、3−エトキシフェニル基、4−エトキシフェニル基、2−アセトキシフェニル基、3−アセトキシフェニル基、4−アセトキシフェニル基、2−カルボキシフェニル基、3−カルボキシフェニル基、4−カルボキシフェニル基、2−メトキシカルボニルフェニル基、3−メトキシカルボニルフェニル基、4−メトキシカルボニルフェニル基、2−シアノフェニル基、3−シアノフェニル基、4−シアノフェニル基、2−テトラゾリルフェニル基、3−テトラゾリルフェニル基、4−テトラゾリルフェニル基、2−ニトロフェニル基、3−ニトロフェニル基、4−ニトロフェニル基などを挙げることができる。またAr、Arで示される無置換の芳香族複素環基としては、フリル基、チエニル基、ピロリル基、オキサゾリル基、チアゾリル基、ピラゾリル基、イミダゾリル基、テトラゾリル基、ピリジル基、ピリダジニル基、ピリミジニル基、ピラジニル基などを挙げることができる。前記芳香族複素環基上に有していてもよい置換基として、ハロゲン原子、炭素数1〜4のアルキル基、水酸基、炭素数1〜4のアルコキシ基、炭素数1〜5のアシルオキシ基、カルボキシル基、炭素数2〜5のアルコキシカルボニル基、シアノ基、ニトロ基を挙げることができ、具体的なAr、Arで示される置換の芳香族複素環基として、3−メチル−2−フリル基、4−メチル−2−フリル基、5−メチル−2−フリル基、2−メチル−3−フリル基、4−メチル−3−フリル基、5−メチル−3−フリル基、3−メトキシ−2−フリル基、4−メトキシ−2−フリル基、5−メトキシ−2−フリル基、2−メトキシ−3−フリル基、4−メトキシ−3−フリル基、5−メトキシ−3−フリル基、3−クロロ−2−フリル基、4−クロロ−2−フリル基、5−クロロ−2−フリル基、2−クロロ−3−フリル基、4−クロロ−3−フリル基、5−クロロ−3−フリル基、3−フルオロ−2−フリル基、4−フルオロ−2−フリル基、5−フルオロ−2−フリル基、2−フルオロ−3−フリル基、4−フルオロ−3−フリル基、5−フルオロ−3−フリル基、3−メチル−2−チエニル基、4−メチル−2−チエニル基、5−メチル−2−チエニル基、2−メチル−3−チエニル基、4−メチル−3−チエニル基、5−メチル−3−チエニル基、3−メトキシ−2−チエニル基、4−メトキシ−2−チエニル基、5−メトキシ−2−チエニル基、2−メトキシ−3−チエニル基、4−メトキシ−3−チエニル基、5−メトキシ−3−チエニル基、3−クロロ−2−チエニル基、4−クロロ−2−チエニル基、5−クロロ−2−チエニル基、2−クロロ−3−チエニル基、4−クロロ−3−チエニル基、5−クロロ−3−チエニル基、3−フルオロ−2−チエニル基、4−フルオロ−2−チエニル基、5−フルオロ−2−チエニル基、2−フルオロ−3−チエニル基、4−フルオロ−3−チエニル基、5−フルオロ−3−チエニル基、2−メチル−3−ピリジル基、4−メチル−3−ピリジル基、5−メチル−3−ピリジル基、6−メチル−3−ピリジル基、3−メチル−2−ピリジル基、4−メチル−2−ピリジル基、5−メチル−2−ピリジル基、6−メチル−2−ピリジル基、2−メチル−4−ピリジル基、3−メチル−4−ピリジル基、5−メチル−4−ピリジル基、6−メチル−4−ピリジル基、2−メトキシ−3−ピリジル基、4−メトキシ−3−ピリジル基、5−メトキシ−3−ピリジル基、6−メトキシ−3−ピリジル基、3−メトキシ−2−ピリジル基、4−メトキシ−2−ピリジル基、5−メトキシ−2−ピリジル基、6−メトキシ−2−ピリジル基、2−メトキシ−4−ピリジル基、3−メトキシ−4−ピリジル基、5−メトキシ−4−ピリジル基、6−メトキシ−4−ピリジル基、2−エトキシ−3−ピリジル基、4−エトキシ−3−ピリジル基、3−エトキシ−2−ピリジル基、4−エトキシ−2−ピリジル基、3−エトキシ−4−ピリジル基、2−ヒドロキシ−3−ピリジル基、4−ヒドロキシ−3−ピリジル基、3−ヒドロキシ−2−ピリジル基、3−ヒドロキシ−4−ピリジル基、2−クロロ−3−ピリジル基、4−クロロ−3−ピリジル基、3−クロロ−2−ピリジル基、4−クロロ−2−ピリジル基、3−クロロ−4−ピリジル基、5−メチル−2−ピラジル基、6−メチル−2−ピラジル基、5−メトキシ−2−ピラジル基、6−メトキシ−2−ピラジル基、5−エトキシ−2−ピラジル基、6−エトキシ−2−ピラジル基、5−クロロ−2−ピラジル基、6−クロロ−2−ピラジル基などを挙げることができる。好ましいAr、Arとして、フェニル基、4−フルオロフェニル基、4−クロロフェニル基、4−メチルフェニル基、4−メトキシフェニル基、4−シアノフェニル基、3−ピリジル基、4−ピリジル基を挙げることができ、中でも特にフェニル基、4−フルオロフェニル基、4−メチルフェニル基、4−メトキシフェニル基、4−シアノフェニル基、3−ピリジル基、4−ピリジル基が好ましい。
【0010】
また、Ar及びArの双方に結合する基によって第3の環を形成する場合、式(I)中の次式:
【化3】
Figure 2004107299
で表される構造として次式:
【化4】
Figure 2004107299
で表される構造などを挙げることができ、これらもまた好ましいものである。
WはO、NH、COO、OCO、CONH、NHCO、CHNH、又はCHNHCOを表し、これらのうち、O、NH、CONH、NHCO、CHNH、又はCHNHCOが好ましく、中でもCONH、又はNHCOが特に好ましい。
【0011】
Xはメチン基(CH)又は窒素原子を表し、YはXがメチン基の時、単結合又は酸素原子を表し、Xが窒素原子の時、単結合を表し、Zは、Xがメチン基でYが単結合の時、水素原子又は水酸基を表し、Xがメチン基でYが酸素原子の時及びXが窒素原子(Yは単結合)の時、水素原子を表すが、式(I)中の次式:
【化5】
Figure 2004107299
で表される構造の好ましいものとして次式:
【化6】
Figure 2004107299
で表される構造を挙げることができ、これらのうち、次式:
【化7】
Figure 2004107299
で表される構造が特に好ましい。
mは2〜6を表すが、好ましくは3〜5、特に好ましくは3〜4である。
【0012】
本発明の好ましいウラシル誘導体を具体的に表1及び表2に示す。
【表1】
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
【0013】
【表2】
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
【0014】
一般式(I)で示されるウラシル誘導体は、下記の式に従って合成できる。
【化8】
Figure 2004107299
(式中、A及びBは、互いに反応してWを形成を形成しうる官能基を表し、R、R、R、Ar、Ar、X、Y、Z及びmは前記と同義である。)
【0015】
即ち、目的とする結合基Wを形成するのに必要な置換基Aを有する1−アリール−2,4(1H,3H)−ピリミジンジオン(II)と、目的とする結合基Wを形成するのに必要な置換基Bを有するアミン(III)を反応させることにより合成できる。具体的にはWがOの場合、AはOH基、Bはハロゲン原子やスルホン酸エステルのような脱離基である化合物を原料に用い、一般的なWilliamsonのエーテル合成条件で所望の化合物を得ることができる。WがCOO又はOCOの場合、A、BをCOOHとOHとしてエステル化条件で反応させて合成することができる。また、WがCONH又はNHCOの場合、A、BをCOOHとNHとしてアミド化条件で反応させて合成することができる。WがCHNHCOの場合、A、BをCHNHとCOOHとしてアミド化条件で反応させて合成することができる。WがCHNH又はNHの場合は前記CONH又はNHCOの化合物をボランで還元することにより合成することができる。置換基Aを有する1−アリール−2,4(1H,3H)−ピリミジンジオン(II)は、例えば特開平8−109171号公報の記載に準じた方法により合成できる。置換基Bを有するアミン(III)は、例えば特開平11−310581号公報に記載の方法又は当該公報に準じた方法により合成できる。
【0016】
一般式(I)で示されるウラシル誘導体は塩基性の3級アミノ基を有していることから、各種の酸と塩を形成しうる。薬学的に許容される塩としては、塩酸塩、硫酸塩、酢酸塩、メタンスルホン酸、マレイン酸、フマル酸、コハク酸塩などを挙げることができる。また、ウラシル誘導体が酸性を示す置換基を有している場合、各種の塩基とも塩を形成しうる。この場合の薬学的に許容される塩としては、ナトリウム塩、カリウム塩、カルシウム塩、アンモニウム塩などが挙げられる。これらの塩はウラシル誘導体と酸又は塩基を混合した後、再結晶などの常法により得ることができる。
【0017】
本発明のウラシル誘導体は、錠剤、カプセル剤、散剤などの経口剤をはじめ、注射剤、外用剤など種々の剤形で使用することができる。例えば、本発明のウラシル誘導体又は薬学的に許容される塩をワセリンなどの軟膏基剤に混和させ、軟膏剤とすることができる。また、本発明のウラシル誘導体又は薬学的に許容される塩と乳糖、澱粉などの賦形剤、ステアリン酸マグネシウム、タルクなどの滑沢剤、その他常用の添加剤を混合し、錠剤とすることもできる。
【0018】
本発明のウラシル誘導体の用量は、患者の性別、年齢、体重、疾患の種類、症状などに応じて適宜定めるものであるが、例えば、アトピー性皮膚炎、接触性皮膚炎、乾癬等の皮膚疾患においては、有効成分0.01〜10%含有の軟膏剤を1日1回から数回、患部に塗布することができる。アレルギー性結膜炎などの眼疾患に対しては、有効成分0.001〜1%含有の点眼剤を1日1回から数回点眼することができる。アレルギー性鼻炎などの疾患に対しては、有効成分0.001〜1%含有の点鼻剤を1日1回から数回点鼻することができる。また、錠剤、カプセル剤、散剤などの経口剤としては一般に、1日当たり0.01〜100 mg/kgの範囲で、単回又は数回に分けて投与することもできる。
【0019】
【実施例】
以下、実施例により本発明を具体的に説明するが、本発明の範囲はこれらに限定されるものではない。
(参考例1)4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸
1−(ジフェニルメチル)ピペラジン 2.0 g(7.9 mmol)をアセトニトリル 80 mlに溶解し、4−ブロモ酪酸エチル 1.2 g(8.7 mmol)、トリエチルアミン 1.2 ml(8.7 mmol)を加え80 ℃で2時間撹拌した。アセトニトリルを留去し、ジクロロメタンと5 %クエン酸水溶液で分配し、有機層を10 % 塩化ナトリウム水溶液で洗浄後、無水硫酸ナトリウムで乾燥した。ジクロロメタンを留去して残渣をメタノール 30 mlに溶解し、5N 水酸化ナトリウム水溶液7.9 mlを加え30分撹拌した。中和後メタノールを留去し、ジクロロメタンと10 % 塩化ナトリウム水溶液で分配し、有機層を無水硫酸ナトリウムで乾燥した。溶媒を留去することにより標記化合物を得た(2.0 g(5.9 mmol)、収率75 %)。
【0020】
(参考例2)5−(4−(ジフェニルメチル)−1−ピペラジニル)ペンタン酸
4−ブロモ酪酸エチルの代わりに5−ブロモ吉草酸エチルを用い参考例1と同様の操作により標記化合物を得た。
【0021】
(参考例3)4−(4−(ヒドロキシジフェニルメチル)−1−ピペリジニル)ブタン酸
1−(ジフェニルメチル)ピペラジンの代わりにα,α−ジフェニル−4−ピペリジニルメタノールを用い参考例1と同様の操作により標記化合物を得た。
【0022】
(参考例4)4−(4−(ジフェニルメトキシ)−1−ピペリジニル)ブタン酸
1−(ジフェニルメチル)ピペラジンの代わりに4−(ジフェニルメトキシ)ピペリジンを用い参考例1と同様の操作により標記化合物を得た。
【0023】
(参考例5)4−(4−(ビス(4−フルオロフェニル)メチル)−1−ピペラジニル)ブタン酸
1−(ジフェニルメチル)ピペラジンの代わりに1−(ビス(4−フルオロフェニル)メチル)ピペラジンを用い参考例1と同様の操作により標記化合物を得た。
【0024】
(参考例6)4−(4−(ビス(4−フルオロフェニル)メトキシ)−1−ピペリジニル)ブタン酸
1−(ジフェニルメチル)ピペラジンの代わりに4−(ビス(4−フルオロフェニル)メトキシ)ピペリジンを用い参考例1と同様の操作により標記化合物を得た。
【0025】
(参考例7)4−(4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジニル)ブタン酸
1−(ジフェニルメチル)ピペラジンの代わりに4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジンを用い参考例1と同様の操作により標記化合物を得た。
【0026】
(実施例1)6−アミノ−1−[4−[3−[4−(ジフェニルメチル)−1−ピペラジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物647)
6−アミノ−1−(4−カルボキシフェニル)−3−メチルウラシル 600 mg(2.31 mmol)と3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミン 786 mg (2.54 mmol)をジメチルホルムアミド 23 mlに溶解し、1−ヒドロキシベンゾトリアゾール 374 mg(2.77 mmol)と1−(3−ジメチルアミノプロピル)−3−エチルカルボジイミド塩酸塩 531 mg(2.77mmol)を加え、2時間30分撹拌した。溶媒を留去し、酢酸エチルと5 % 炭酸水素ナトリウム水溶液で分配し、有機層を10 % 塩化ナトリウム水溶液で洗浄後、無水硫酸ナトリウムで乾燥した。溶媒を留去後、シリカゲルカラムクロマトグラフィーで精製(ジクロロメタン:メタノール=30:1〜10:1)することにより標記化合物を得た(950mg(1.72 mmol)、収率74 %)。
H−NMR (DMSO−d, δppm): 8.62 (1H, br.t, J = 5.4 Hz), 7.95 (2H, d, J = 8.4 Hz), 7.14−7.43 (12H, m), 6.19 (2H, br.s), 4.82 (1H, s), 4.26 (1H, s),3.28 (2H, m), 3.28 (3H, s), 2.31−2.49 (10H, m), 1.67 (2H, m)
飛行時間型質量分析計TOF−mass:553 (M+H)
【0027】
(実施例2)6−アミノ−1−[3−[3−[4−(ジフェニルメチル)−1−ピペラジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物557)
6−アミノ−1−(4−カルボキシフェニル)−3−メチルウラシルの代わりに、6−アミノ−1−(3−カルボキシフェニル)−3−メチルウラシルを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.55 (1H, br.t, J = 5.1 Hz), 7.97 (2H, d, J = 8.4 Hz), 7.77 (1H, br.s), 7.14−7.63 (12H, m), 6.22 (2H, br.s), 4.84 (1H, s), 4.23 (1H, s), 3.31 (2H, m), 3.09 (3H, s), 2.30−2.49 (10H, m), 1.66 (2H, m)
飛行時間型質量分析計TOF−mass:553 (M+H)
【0028】
(実施例3)6−アミノ−1−[4−[3−[4−[(4−メチルフェニル)フェニルメチル]−1−ピペラジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物611)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−((4−メチルフェニル)フェニルメチル)−1−ピペラジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.62 (1H, m), 7.95 (2H, d, J = 8.6 Hz), 7.07−7.43 (11H, m), 6.20 (2H, br.s), 4.81 (1H, s), 4.21 (1H, s), 3.29 (2H, m), 3.09 (3H, s), 2.30−2.49 (10H, m), 2.22 (3H, s), 1.66 (2H, m)
TOF−mass:567 (M+H)
【0029】
(実施例4)6−アミノ−1−[4−[3−[4−[ビス(4−フルオロフェニル)メチル]−1−ピペラジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物622)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−(ビス(4−フルオロフェニル)メチル)−1−ピペラジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.63 (1H, m), 7.96 (2H, d, J = 8.6 Hz), 7.43 (2H, d, J = 8.6 Hz), 7.04−7.45 (8H, m), 6.20 (2H, br.s), 4.81 (1H, s), 4.01 (1H, s), 3.31 (2H, m), 3.09 (3H, s), 2.22−2.32 (10H, m), 1.65 (2H, m)
TOF−mass:589 (M+H)
【0030】
(実施例5)6−アミノ−1−[4−[3−[4−[ビス(4−フルオロフェニル)メトキシ]−1−ピペリジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物625)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−(ビス(4−フルオロフェニル)メトキシ)−1−ピペリジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.61 (1H, m), 7.96 (2H, t, J = 8.6 Hz), 7.35−7.44 (6H, m), 7.15 (2H, t, J = 8.6 Hz), 6.19 (2H, br.s), 5.67 (1H, s), 4.81 (1H, s), 3.33 (1H, m), 3.08 (3H, s), 2.66 (2H, m), 2.27−2.34 (4H, m), 2.02 (2H, m), 1.72−1.80 (4H,m) 1.55−1.54 (2H, m)
TOF−mass:605 (M+H)
【0031】
(実施例6)6−アミノ−1−[4−[3−[4−(ジフェニルメチル)−1−ピペラジニル]プロピル]アミノカルボニルフェニル]ウラシル(化合物632)
6−アミノ−1−(4−カルボキシフェニル)−3−メチルウラシルの代わりに、6−アミノ−1−(4−カルボキシフェニル)ウラシルを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.50 (1H, br.s), 8.61 (1H, brt J = 5.4 Hz), 7.94 (2H, d, J = 8.4 Hz), 7.14−7.43 (12H, m), 6.18 (2H, br.s), 4.67 (1H, s), 4.26 (1H s), 3.31 (2H, m), 2.31−2.50 (10H, m), 1.66 (2H, m)
TOF−mass:540 (M+H)
【0032】
(実施例7)6−アミノ−1−[4−[2−[4−(ジフェニルメチル)−1−ピペラジニル]エチル]アミノカルボニルフェニル]−3−メチルウラシル(化合物646)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、2−(4−(ジフェニルメチル)−1−ピペラジニル)エチルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.51 (1H, br.t, J = 5.1 Hz), 7.95 (2H, d, J = 8.6 Hz), 7.14−7.44 (12H, m), 6.20 (2H, br.s), 4.81 (1H, s), 4.26 (1H, s),3.39 (2H, m), 3.09 (3H, s), 2.31−2.52 (10H, m)
TOF−mass:539 (M+H)
【0033】
(実施例8)6−アミノ−1−[4−[4−[4−(ジフェニルメチル)−1−ピペラジニル]ブチル]アミノカルボニルフェニル]−3−メチルウラシル(化合物648)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、4−(4−(ジフェニルメチル)−1−ピペラジニル)ブチルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.57 (1H, br.t, J = 5.3 Hz), 7.91 (2H, d, J = 8.6 Hz), 7.14−7.43 (12H, m), 6.19 (2H, br.s), 4.81 (1H, s), 4.24 (1H, s),3.53 (2H, m), 3.08 (3H, s), 2.28−2.50 (10H, m), 3.53 (4H, m)
TOF−mass:567 (M+H)
【0034】
(実施例9)6−アミノ−1−[4−[3−[4−(ジフェニルメトキシ)−1−ピペリジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物657)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−(ジフェニルメトキシ)−1−ピペリジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.62 (1H, br.t, J = 5.4 Hz), 7.96 (2H, d, J = 8.6 Hz), 7.14−7.43 (12H, m), 6.19 (2H, br.s), 4.01 (1H, s), 4.24 (1H, s),3.33 (1H, s), 3.26 (2H, m), 3.08 (3H, s), 2.67 (2H, m), 2.51 (2H, m), 2.29 (2H, m), 2.01 (2H, m), 1.85 (2H, m), 1.49−1.71 (4H, m)
TOF−mass:568 (M+H)
【0035】
(実施例10)6−アミノ−1−[4−[3−[4−[ビス(4−フルオロフェニル)メチル]−1−ピペラジニル]プロピル]アミノカルボニルフェニル]ウラシル(化合物711)
6−アミノ−1−(4−カルボキシフェニル)−3−メチルウラシルの代わりに6−アミノ−1−(4−カルボキシフェニル)ウラシルを用い、3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−(ビス(4−フルオロフェニル)メチル)−1−ピペラジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.50 (1H, br.s), 8.59 (1H, m), 7.94 (2H, d, J = 8.6 Hz), 7.38−7.45 (6H, m), 7.11 (4H, t, J = 8.6 Hz), 6.17 (2H, br.s),4.67 (1H, s), 4.36 (1H s), 3.30 (2H, m), 3.07 (3H, s), 2.31−2.52 (10H, m), 1.66 (2H, m)
TOF−mass:576 (M+H)
【0036】
(実施例11)6−アミノ−1−[4−[3−[4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジニル]プロピル]アミノカルボニルフェニル]−3−メチルウラシル(化合物1234)
3−(4−(ジフェニルメチル)−1−ピペラジニル)プロピルアミンの代わりに、3−(4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジニル)プロピルアミンを用い実施例1と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.62 (1H, br.t, J = 5.1 Hz), 7.95 (2H, d, J = 8.6 Hz), 7.44 (6H, m), 7.12 (4H, t, J = 8.6 Hz), 6.20 (2H, br.s), 5.63 (1H, s), 4.81 (1H, s), 4.34 (2H, m), 3.28 (2H, m), 3.09 (3H, s), 2.25−2.49(14H, m), 1.66 (2H, m)
TOF−mass:579 (M+H)
【0037】
(実施例12)6−アミノ−1−[4−[4−[4−(ジフェニルメチル)−1−ピペラジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物827)
6−アミノ−1−(4−アミノフェニル)−3−メチルウラシル 478 mg(2.06 mmol)と4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸 768mg(2.27 mmol)をN,N−ジメチルホルムアミド 25 mlに溶解し、1−ヒドロキシ−7−アザ−ベンゾトリアゾール 370 mg(2.72 mmol)と1−(3−ジメチルアミノプロピル)−3−エチルカルボジイミド塩酸塩 521 mg(2.72mmol)を加え2時間半撹拌した。溶媒を留去し、酢酸エチルと5 % 炭酸水素ナトリウム水溶液で分配した。有機層を10 % 塩化ナトリウム水溶液で洗浄後、無水硫酸ナトリウムで乾燥した。溶媒を留去後、シリカゲルカラムクロマトグラフィーで精製することにより標記化合物を得た(110 mg(0.20 mmol)、収率13 %)。
H−NMR (DMSO−d, δppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.6 Hz), 7.14−7.42 (12H, m), 6.14 (2H, br.s), 4.78 (1H, s), 4.23 (1H, s), 3.08 (3H, s),2.25−2.50 (12H, m), 1.72 (2H, m)
TOF−mass:553 (M+H)
【0038】
(実施例13)6−アミノ−1−[4−[5−[4−(ジフェニルメチル)−1−ピペラジニル]ペンタノイルアミノ]フェニル]−3−メチルウラシル(化合物828)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、5−(4−(ジフェニルメチル)−1−ピペラジニル)ペンタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.6 Hz), 7.14−7.42 (12H, m), 6.14 (2H, br.s), 4.78 (1H, s), 4.25 (1H, s), 3.08 (3H, s),2.25−2.50 (12H, m), 1.58 (2H, m), 1.44 (2H, m)
TOF−mass:567 (M+H)
【0039】
(実施例14)6−アミノ−1−[4−[4−[4−(ヒドロキシジフェニルメチル)−1−ピペリジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物834)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(ヒドロキシジフェニルメチル)−1−ピペリジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.63 (1H, br.t, J = 5.4 Hz), 7.96 (2H, t, J = 8.6 Hz), 7.43−7.17 (12H, m), 5.79 (2H, br.s), 4.71 (1H, s), 4.26 (1H, s),3.29 (2H, m), 3.11 (3H, s), 2.31−2.40 (10H, m), 1.66 (2H, m)
TOF−mass:568 (M+H)
【0040】
(実施例15)6−アミノ−1−[4−[4−[4−(ジフェニルメトキシ)−1−ピペリジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物837)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(ジフェニルメトキシ)−1−ピペリジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.08 (1H, s), 7.71 (2H, t, J = 8.6 Hz), 7.20−7.38 (12H, m), 6.14 (2H, br.s), 5.63 (1H, s), 4.78 (1H, s), 3.34 (1H, m),3.07 (3H, s), 2.66 (2H, m), 2.23−2.37 (4H, m), 2.00 (2H, m), 1.69−1.74 (4H, m), 1.55 (2H, m)
TOF−mass:568 (M+H)
【0041】
(実施例16)6−アミノ−1−[4−[4−[4−[ビス(4−フルオロフェニル)メチル]−1−ピペラジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物892)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(ビス(4−フルオロフェニル)メチル)−1−ピペラジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (CDCl, δppm): 10.07 (1H, s), 7.71 (2H, d, J = 8.9 Hz), 7.42 (4H, m), 7.42 (4H, m), 7.22 (2H, d, J = 8.9 Hz), 7.12 (4H, d, J = 8.9 Hz), 6.13 (2H, br.s), 4.79 (1H, s), 4.31 (1H, s), 3.08 (3H, s), 2.31−2.51 (12H, m), 1.72 (2H, m)
TOF−mass:590 (M+H)
【0042】
(実施例17)6−アミノ−1−[4−[4−[4−[ビス(4−フルオロフェニル)メトキシ]−1−ピペリジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物895)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(ビス(4−フルオロフェニル)メトキシ)−1−ピペリジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.9 Hz), 7.38 (4H, m), 7.12−7.23 (6H, m), 6.13 (2H, br.s), 5.67 (1H, s), 4.79 (1H s), 3.33 (1H, m), 3.31 (2H, m), 3.09 (3H, s), 2.30 (2H, m), 2.02 (2H, m), 1.81 (2H, m), 1.55−1.66 (4H, m)
TOF−mass:605 (M+H)
【0043】
(実施例18)6−アミノ−1−[4−[4−[4−(ジフェニルメチル)−1−ピペラジニル]ブタノイルアミノメチル]フェニル]−3−メチルウラシル(化合物1007)
6−アミノ−1−(4−アミノフェニル)−3−メチルウラシルの代わりに、6−アミノ−1−(4−アミノメチルフェニル)−3−メチルウラシルを用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.40 (1H, br.t J = 5.9 Hz), 7.14−7.42 (14H, m),6.09 (2H, br.s), 4.80 (1H, s), 4.32 (2H, d, J = 5.9 Hz), 4.25 (1H, s), 3.07 (3H, s), 2.14−2.37 (12H, m), 1.67 (2H, m)
TOF−mass:568 (M+H)
【0044】
(実施例19)6−アミノ−1−[4−[3−[4−(ジフェニルメトキシ)−1−ピペリジニル]ブタノイルアミノメチル]フェニル]−3−メチルウラシル(化合物1017)
6−アミノ−1−(4−アミノフェニル)−3−メチルウラシルの代わりに、6−アミノ−1−(4−アミノメチルフェニル)−3−メチルウラシルを用い、4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(ジフェニルメトキシ)−1−ピペリジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 8.40 (1H, br.t J = 5.9 Hz), 7.18−7.38 (14H, m),6.09 (2H, br.s), 5.63 (1H, s), 4.80 (1H, s), 4.33 (2H, d, J = 5.9 Hz), 3.33 (1H, m), 3.07 (3H, s), 2.65 (2H, m), 2.14−2.23 (4H, m), 1.99 (2H, m), 1.82 (2H, m), 1.52−1.69 (4H, m)
TOF−mass:583 (M+H)
【0045】
(実施例20)6−アミノ−1−[4−[4−[4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジニル]ブタノイルアミノ]フェニル]−3−メチルウラシル(化合物1306)
4−(4−(ジフェニルメチル)−1−ピペラジニル)ブタン酸の代わりに、4−(4−(10,11−ジヒドロ−5H−ジベンゾ[a,d]シクロヘプテン−5−イル)−1−ピペラジニル)ブタン酸を用い実施例12と同様の操作により標記化合物を得た。
H−NMR (DMSO−d, δppm): 10.09 (1H, s), 7.71 (2H, t, J = 8.6 Hz), 7.06−7.24 (12H, m), 6.13 (2H, br.s), 4.79 (1H, s), 3.86−4.00 (3H, m), 3.07 (3H, s), 2.74 (2H, m), 2.22−2.37 (14H, m), 1.73 (2H, m)
TOF−mass:579 (M+H)
【0046】
(実施例21)6−アミノ−1−[4−[3−[4−(ジフェニルメチル)−1−ピペラジニル]プロピルオキシ]フェニル]−3−メチルウラシル(化合物107)
6−アミノ−1−(4−ヒドロキシフェニル)−3−メチルウラシル 800 mg(3.43 mmol)をN,N−ジメチルホルムアミド 30 mlに溶解し、3−ブロモプロパノール 931μl(10.3 mmol)と炭酸カリウム 948 mg(6.86 mmol)を加え50 ℃で2時間半撹拌した。放冷後、溶媒を留去し、ジクロロメタンと5 %クエン酸水溶液で分配した。水層を中和して生じた固体を濾取した。固体にジクロロメタン30 mlを加え、氷冷下メシルクロライド 288μl(3.72 mmol)、トリエチルアミン 519μl(3.72 mmol)、ジメチルアミノピリジン 175 mg(1.43 mmol)を加え5時間撹拌した。5 % クエン酸水溶液を加え、ジクロロメタンで3回抽出した。有機層を10 % 塩化ナトリウム水溶液で洗浄し、無水硫酸ナトリウムで乾燥した。溶媒を留去後、アセトニトリル 20 mlに溶解し、1−(ジフェニルメチル)ピペラジン 686 mg(2.72 mmol)とトリエチルアミン 379 μl(2.72 mmol)を加え80 ℃で2時間撹拌した。放冷後、溶媒を留去し、5 % 炭酸水素ナトリウム水溶液を加え、ジクロロメタンで抽出した。有機層を10 % 塩化ナトリウム水溶液で洗浄し、無水硫酸ナトリウムで乾燥した。溶媒を留去して生じた固体を、エーテル、ヘキサン混合溶媒に懸濁して精製することにより標記化合物を得た(50 mg、0.10 mmol、収率3 %)。
H−NMR (DMSO−d, δppm): 7.00−7.43 (14H, m), 6.11 (2H, br.s), 4.78 (1H, s), 4.26 (1H, s), 4.02 (2H, t, J = 6.2 Hz), 3.07 (3H, s), 2.32−2.51 (10H, m), 1.87 (2H, m)
TOF−mass:526 (M+H)
【0047】
(実施例22)6−アミノ−1−[4−[4−[4−(ジフェニルメチル)−1−ピペラジニル]ブチルアミノ]フェニル]−3−メチルウラシル(化合物288)
化合物827 249 mg (0.45 mmol)をテトラヒドロフラン 5 mlに溶解し、氷冷下ボランジメチルスルフィドコンプレックス108μl を加え、1時間半加熱還流した。放冷後、氷冷下1N 塩酸 1.0 mlを加え、2時間加熱還流した。放冷後、溶媒を留去し、1N 水酸化ナトリウムを加え、ジクロロメタンで2回抽出した。有機層を10 % 塩化ナトリウム水溶液で洗浄し、無水硫酸ナトリウムで乾燥した。ジクロロメタンを留去後、シリカゲルクロマトグラフィーで精製(ジクロロメタン:メタノール=20:1〜10:1)することにより標記合物を得た(27 mg(0.05 mmol)、収率11 %)。
H−NMR (DMSO−d, δppm): 7.00−7.43 (14H, m), 5.04 (1H, s), 4.22 (1H, s),4.13 (2H, br.s), 4.04 (2H, t, J = 6.2 Hz), 3.33 (3H, s), 2.50−2.55 (10H, m), 1.97 (2H, m)
TOF−mass:526 (M+H)
【0048】
(評価例1)OVA誘発マウス2相性皮膚炎抑制作用
本発明の抗ヒスタミン作用を併せ持つ新規ウラシル誘導体の炎症抑制作用を検証するため、ヒスタミン関与の強い即時型及び炎症性細胞の浸潤が強い遅発型の両反応を示すOVA誘発マウス2相性皮膚炎モデルにて評価した。ICR系雄性マウスに卵白アルブミン(OVA)1μgをAl(OH)1mgとともに腹腔内投与して感作を誘導した。感作14日目にOVA10μgを耳介内に直接投与してアレルギー反応を惹起した。被験薬物は0.5% CMC−Na水溶液に懸濁し、惹起の1時間前に経口投与(30 mg/kg)した。惹起1時間後及び24時間後に耳介厚を測定し、惹起前の耳介厚との差を指標とし、被験化合物の皮膚炎抑制効果を評価した。比較例としてオキサトミド(Oxatomide)、フマル酸ケトチフェン(Ketotifen fumarate)を用い、いずれも0.5% CMC−Na水溶液に懸濁し、惹起の1時間前に経口投与した。惹起1時間後の耳介厚の増加はヒスタミンなどの化学伝達物質による浮腫であり、これを即時相と規定した。24時間後のそれは好酸球などの炎症性細胞によるものであり、これを遅発相と規定した。
【0049】
その結果、表3に示す通り本発明の化合物は即時相及び遅発相の両方を抑制することがわかる。これに対して、既知の抗ヒスタミン薬であるケトチフェンは即時相は強く抑制したが、遅発相に対しては無効であった。
【0050】
【表3】
Figure 2004107299
【0051】
(評価例2)
本発明の新規ウラシル誘導体が抗ヒスタミン作用を有することを検証するためにモルモット回腸を用いたマグヌス法にて評価した。モルモットより摘出した回腸をTyrode液中で洗浄し、32℃のTyrode液中で通気しながら保存した。回腸を約2cmの長さで切除し、Tyrode液を満たしたマグヌス管中で一端を固定棒に他端を圧トランスデューサーに固定し、回腸の収縮を記録可能とした。Tyrode液で満たしたマグヌス管に1.0μMのHistamine水溶液を100μL加えた場合に誘発される回腸の収縮に対する各被験薬物のIC50を求めた。被験薬物はHistamineを加える2分前にTyrode液中に5μLの容量で加えた。比較例としてジフェンヒドラミン、オキサトミドを用いた。
【0052】
表4に示す通り本発明の化合物は既知の抗ヒスタミン薬と同程度の抗ヒスタミン作用を有することが示された。
【0053】
【表4】
Figure 2004107299
【0054】
(製剤例1)内服用錠剤
常法により次の組成からなる内服用錠剤を作成した。
【0055】
Figure 2004107299
【0056】
【発明の効果】
本発明のウラシル誘導体は、抗ヒスタミン作用と抗炎症作用を併せ持ち、抗ヒスタミン剤として、及び/又は、抗アレルギー剤として有用である。特にアレルギー性炎症に対して、際立った炎症抑制作用を有する。本発明のウラシル誘導体は、ヒスタミンによるかゆみを抑制するとともにアレルギー性炎症も効果的に抑制するので、アレルギー性結膜炎、アレルギー性鼻炎、慢性蕁麻疹、アトピー性皮膚炎、喘息又は慢性気管支炎の予防・治療剤として有用であり、従来の抗アレルギー剤、抗ヒスタミン剤、抗炎症剤などと比べて、有効性、安全性などの点でより満足のいく新規化合物である。[0001]
TECHNICAL FIELD OF THE INVENTION
INDUSTRIAL APPLICABILITY The present invention has excellent antiallergic action, antihistamine action, antiinflammatory action, etc., and is useful as a novel prophylactic / therapeutic agent for atopic dermatitis, allergic rhinitis, bronchial asthma, allergic conjunctivitis, chronic urticaria, etc. Uracil derivatives and pharmaceutical uses thereof.
[0002]
[Prior art]
Allergic diseases such as allergic conjunctivitis, allergic rhinitis, chronic urticaria and atopic dermatitis are mainly caused by type I allergy. The cells invade the affected area and become inflammatory. For these diseases, antihistamines are widely used as symptomatic treatments. However, antihistamines are ineffective against inflammation itself and cannot be a curative. Therefore, treatment using a steroid agent, which is an anti-inflammatory agent, in addition to the antihistamine agent has been performed. However, steroids have problematic side effects such as infections, adrenal atrophy, osteoporosis, diabetes, and impaired growth in children.
[0003]
[Problems to be solved by the invention]
Since conventional antihistamines do not have an anti-inflammatory effect, it has been desired to develop new compounds that have an anti-inflammatory effect in addition to the antihistamine effect and are more satisfactory in terms of safety and the like.
[0004]
[Means for Solving the Problems]
The present inventors have conducted intensive studies in order to solve the above-mentioned problems, and as a result, the phenyl group at the 1-position of the 1-phenyl-2,4 (1H, 3H) -pyrimidinedione skeleton was substituted via a spacer. The present inventors have found that a novel uracil derivative having a large chemical structural characteristic in the presence of piperidine or piperazine exhibits not only an antihistamine effect but also markedly suppresses a late-onset inflammatory reaction. Was.
[0005]
That is, the present invention includes the following inventions.
(1) General formula (I):
Embedded image
Figure 2004107299
(Where R 1 Represents a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aralkyl group having 7 to 10 carbon atoms; 2 , R 3 Represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, 1 , Ar 2 Represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted monocyclic aromatic heterocyclic group, 1 And Ar 2 May form a third ring by a group bonded to both of the above, W is O, NH, COO, OCO, CONH, NHCO, CH 2 NH or CH 2 NH represents CO, W may be substituted at any of ortho, meta and para positions on the phenyl group at the 1-position of the uracil skeleton; X represents a methine group (CH) or a nitrogen atom; A group, represents a single bond or an oxygen atom, X represents a single bond when a nitrogen atom, Z represents a hydrogen atom or a hydroxyl group when X is a methine group and Y is a single bond, and X represents a methine group And when Y is an oxygen atom and X is a nitrogen atom (Y is a single bond), it represents a hydrogen atom, and m represents 2 to 6. )
Or a pharmaceutically acceptable salt thereof.
[0006]
(2) In the general formula (I), Ar 1 , Ar 2 Is a substituted or unsubstituted phenyl group, or the uracil derivative or the pharmaceutically acceptable salt thereof according to the above (1).
(3) In the general formula (I), Ar 1 , Ar 2 Is (1) a phenyl group which may be substituted with a halogen atom or an alkyl group having 1 to 4 carbon atoms, or (2) 1 to 4 hetero atoms selected from nitrogen, sulfur and oxygen other than carbon. The uracil derivative or the pharmaceutically acceptable salt thereof according to the above (1), which is a 5- to 8-membered aromatic heterocyclic group containing an atom.
(4) The uracil derivative or the pharmaceutically acceptable salt thereof according to any one of the above (1) to (3), wherein W is CONH or NHCO in the general formula (I).
(5) The uracil derivative or the pharmaceutically acceptable salt thereof according to any one of the above (1) to (4), wherein in formula (I), X is a methine group.
(6) The uracil derivative or the pharmaceutically acceptable salt thereof according to any one of the above (1) to (4), wherein X is a nitrogen atom in the general formula (I).
(7) An antihistamine containing the uracil derivative or the pharmaceutically acceptable salt thereof according to any one of (1) to (6) as an active ingredient.
(8) An antiallergic agent comprising the uracil derivative or the pharmaceutically acceptable salt thereof according to any one of (1) to (6) as an active ingredient.
(9) Allergic conjunctivitis, allergic rhinitis, chronic urticaria, atopic dermatitis containing the uracil derivative or the pharmaceutically acceptable salt thereof according to any of (1) to (6) as an active ingredient. , Asthma or chronic bronchitis.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The compound of the present invention will be described in more detail. 1 Examples of the unsubstituted alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, a propyl group (1-propyl group), an isopropyl group (2-propyl group), a butyl group (1-butyl group), Examples thereof include a sec-butyl group (2-butyl group), an isobutyl group (2-methyl-1-propyl group), and a t-butyl group (2-methyl-2-propyl group). R 1 Examples of the substituents allowed on the alkyl group having 1 to 4 carbon atoms include a halogen atom such as a fluorine atom and a chlorine atom, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, and an acyloxy having 1 to 5 carbon atoms. Group, a carboxyl group, and an alkoxycarbonyl group having 2 to 5 carbon atoms. 1 As the substituted alkyl group having 1 to 4 carbon atoms represented by, a trifluoromethyl group, a 2-chloroethyl group, a 2-hydroxyethyl group, a 3-hydroxypropyl group, a 2-methoxyethyl group, a 2-ethoxyethyl group, -Methoxypropyl group, 2-acetoxyethyl group, carboxymethyl group, methoxycarbonylmethyl group, ethoxycarbonylmethyl group and the like. Also R 1 Examples of the unsubstituted aralkyl group having 7 to 10 carbon atoms represented by are a benzyl group, a 1-phenylethyl group, a 2-phenylethyl group (phenethyl group), a 1-phenylpropyl group, a 2-phenylpropyl group, Examples thereof include a phenyl-2-propyl group, a 3-phenylpropyl group, a 2-methylbenzyl group, a 3-methylbenzyl group, a 4-methylbenzyl group, and a 4-methylphenethyl group. R 1 Examples of the substituents allowed on the aralkyl group having 7 to 10 carbon atoms include a halogen atom such as a fluorine atom and a chlorine atom, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, and an acyloxy having 1 to 5 carbon atoms. Group, a carboxyl group, and an alkoxycarbonyl group having 2 to 5 carbon atoms. 1 As the substituted aralkyl group having 7 to 10 carbon atoms represented by, a 4-fluorobenzyl group, a 3-chlorobenzyl group, a 4-hydroxybenzyl group, a 3-methoxybenzyl group, a 4-methoxybenzyl group, a 4-ethoxybenzyl group , 4-acetoxybenzyl group, 4-carboxybenzyl group, 4-methoxycarbonylbenzyl group and the like. Preferred R among the above 1 Examples thereof include a hydrogen atom, a methyl group, an ethyl group, a propyl group, a butyl group, a benzyl group, and a 2-phenylethyl group. Among them, a hydrogen atom, a methyl group, and an ethyl group are particularly preferable.
[0008]
R 2 , R 3 Examples of the alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a sec-butyl group, an isobutyl group, and a t-butyl group. Preferred R 2 , R 3 Examples thereof include a hydrogen atom, a methyl group, an ethyl group, a propyl group, and a butyl group, and among them, a hydrogen atom, a methyl group, and an ethyl group are particularly preferable.
[0009]
Ar 1 , Ar 2 As a substituent which may be present on the phenyl group represented by, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an acyloxy group having 1 to 5 carbon atoms, carboxyl Group, an alkoxycarbonyl group having 2 to 5 carbon atoms, a cyano group, a tetrazolyl group, and a nitro group. 1 , Ar 2 As the substituted phenyl group represented by 2, a 2-fluorophenyl group, a 3-fluorophenyl group, a 4-fluorophenyl group, a 2-chlorophenyl group, a 3-chlorophenyl group, a 4-chlorophenyl group, a 2-methylphenyl group, Methylphenyl group, 4-methylphenyl group, 2-ethylphenyl group, 3-ethylphenyl group, 2,3-dimethylphenyl group, 2,4-dimethylphenyl group, 2,5-dimethylphenyl group, 2,6- Dimethylphenyl group, 3,4-dimethylphenyl group, 3,5-dimethylphenyl group, 4-ethylphenyl group, 2-hydroxyphenyl group, 3-hydroxyphenyl group, 4-hydroxyphenyl group, 2-methoxyphenyl group, 3-methoxyphenyl group, 4-methoxyphenyl group, 2-ethoxyphenyl group, 3-ethoxyphenyl A 4-ethoxyphenyl group, a 2-acetoxyphenyl group, a 3-acetoxyphenyl group, a 4-acetoxyphenyl group, a 2-carboxyphenyl group, a 3-carboxyphenyl group, a 4-carboxyphenyl group, a 2-methoxycarbonylphenyl group, 3-methoxycarbonylphenyl group, 4-methoxycarbonylphenyl group, 2-cyanophenyl group, 3-cyanophenyl group, 4-cyanophenyl group, 2-tetrazolylphenyl group, 3-tetrazolylphenyl group, 4- Examples thereof include a tetrazolylphenyl group, a 2-nitrophenyl group, a 3-nitrophenyl group, and a 4-nitrophenyl group. Ar 1 , Ar 2 Examples of the unsubstituted aromatic heterocyclic group represented by a furyl group, thienyl group, pyrrolyl group, oxazolyl group, thiazolyl group, pyrazolyl group, imidazolyl group, tetrazolyl group, pyridyl group, pyridazinyl group, pyrimidinyl group, pyrazinyl group, etc. Can be mentioned. As a substituent which may be present on the aromatic heterocyclic group, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an acyloxy group having 1 to 5 carbon atoms, Specific examples include a carboxyl group, an alkoxycarbonyl group having 2 to 5 carbon atoms, a cyano group, and a nitro group. 1 , Ar 2 As a substituted aromatic heterocyclic group represented by 3, a 3-methyl-2-furyl group, a 4-methyl-2-furyl group, a 5-methyl-2-furyl group, a 2-methyl-3-furyl group, a 4-methyl-2-furyl group, Methyl-3-furyl group, 5-methyl-3-furyl group, 3-methoxy-2-furyl group, 4-methoxy-2-furyl group, 5-methoxy-2-furyl group, 2-methoxy-3-furyl Group, 4-methoxy-3-furyl group, 5-methoxy-3-furyl group, 3-chloro-2-furyl group, 4-chloro-2-furyl group, 5-chloro-2-furyl group, 2-chloro -3-furyl group, 4-chloro-3-furyl group, 5-chloro-3-furyl group, 3-fluoro-2-furyl group, 4-fluoro-2-furyl group, 5-fluoro-2-furyl group , 2-fluoro-3-furyl group, 4-fluoro-3-furyl group, 5-fur B-3-furyl, 3-methyl-2-thienyl, 4-methyl-2-thienyl, 5-methyl-2-thienyl, 2-methyl-3-thienyl, 4-methyl-3-thienyl Group, 5-methyl-3-thienyl group, 3-methoxy-2-thienyl group, 4-methoxy-2-thienyl group, 5-methoxy-2-thienyl group, 2-methoxy-3-thienyl group, 4-methoxy -3-thienyl group, 5-methoxy-3-thienyl group, 3-chloro-2-thienyl group, 4-chloro-2-thienyl group, 5-chloro-2-thienyl group, 2-chloro-3-thienyl group , 4-chloro-3-thienyl group, 5-chloro-3-thienyl group, 3-fluoro-2-thienyl group, 4-fluoro-2-thienyl group, 5-fluoro-2-thienyl group, 2-fluoro- 3-thienyl group, 4-fluoro -3-thienyl group, 5-fluoro-3-thienyl group, 2-methyl-3-pyridyl group, 4-methyl-3-pyridyl group, 5-methyl-3-pyridyl group, 6-methyl-3-pyridyl group , 3-methyl-2-pyridyl group, 4-methyl-2-pyridyl group, 5-methyl-2-pyridyl group, 6-methyl-2-pyridyl group, 2-methyl-4-pyridyl group, 3-methyl- 4-pyridyl group, 5-methyl-4-pyridyl group, 6-methyl-4-pyridyl group, 2-methoxy-3-pyridyl group, 4-methoxy-3-pyridyl group, 5-methoxy-3-pyridyl group, 6-methoxy-3-pyridyl group, 3-methoxy-2-pyridyl group, 4-methoxy-2-pyridyl group, 5-methoxy-2-pyridyl group, 6-methoxy-2-pyridyl group, 2-methoxy-4 -Pyridyl group, 3-methoxy -4-pyridyl group, 5-methoxy-4-pyridyl group, 6-methoxy-4-pyridyl group, 2-ethoxy-3-pyridyl group, 4-ethoxy-3-pyridyl group, 3-ethoxy-2-pyridyl group , 4-ethoxy-2-pyridyl, 3-ethoxy-4-pyridyl, 2-hydroxy-3-pyridyl, 4-hydroxy-3-pyridyl, 3-hydroxy-2-pyridyl, 3-hydroxy- 4-pyridyl group, 2-chloro-3-pyridyl group, 4-chloro-3-pyridyl group, 3-chloro-2-pyridyl group, 4-chloro-2-pyridyl group, 3-chloro-4-pyridyl group, 5-methyl-2-pyrazyl group, 6-methyl-2-pyrazyl group, 5-methoxy-2-pyrazyl group, 6-methoxy-2-pyrazyl group, 5-ethoxy-2-pyrazyl group, 6-ethoxy-2 -Pyraz Groups, such as 5-chloro-2-pyrazinyl group, 6-chloro-2-pyrazinyl group and the like. Preferred Ar 1 , Ar 2 Examples thereof include a phenyl group, a 4-fluorophenyl group, a 4-chlorophenyl group, a 4-methylphenyl group, a 4-methoxyphenyl group, a 4-cyanophenyl group, a 3-pyridyl group, and a 4-pyridyl group. Particularly, a phenyl group, a 4-fluorophenyl group, a 4-methylphenyl group, a 4-methoxyphenyl group, a 4-cyanophenyl group, a 3-pyridyl group, and a 4-pyridyl group are preferred.
[0010]
Also, Ar 1 And Ar 2 When the third ring is formed by a group bonded to both of the following, the following formula in the formula (I):
Embedded image
Figure 2004107299
The structure represented by the following formula:
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Figure 2004107299
And the like, and these are also preferable.
W is O, NH, COO, OCO, CONH, NHCO, CH 2 NH or CH 2 NHCO, of which O, NH, CONH, NHCO, CH 2 NH or CH 2 NHCO is preferred, and CONH or NHCO is particularly preferred.
[0011]
X represents a methine group (CH) or a nitrogen atom, Y represents a single bond or an oxygen atom when X is a methine group, represents a single bond when X is a nitrogen atom, and Z represents a methine group. When Y is a single bond, it represents a hydrogen atom or a hydroxyl group; when X is a methine group and Y is an oxygen atom, and when X is a nitrogen atom (Y is a single bond), it represents a hydrogen atom. The following equation:
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Figure 2004107299
As a preferable structure represented by the following formula:
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Figure 2004107299
In these, the structure represented by the following formula:
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Figure 2004107299
Is particularly preferred.
m represents 2 to 6, preferably 3 to 5, particularly preferably 3 to 4.
[0012]
Tables 1 and 2 show preferred uracil derivatives of the present invention.
[Table 1]
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
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Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
[0013]
[Table 2]
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
Figure 2004107299
[0014]
The uracil derivative represented by the general formula (I) can be synthesized according to the following formula.
Embedded image
Figure 2004107299
Wherein A and B represent functional groups that can react with each other to form W, 1 , R 2 , R 3 , Ar 1 , Ar 2 , X, Y, Z and m are as defined above. )
[0015]
That is, a 1-aryl-2,4 (1H, 3H) -pyrimidinedione (II) having a substituent A necessary for forming a desired bonding group W and a desired bonding group W are formed. By reacting an amine (III) having a substituent B required for the above. Specifically, when W is O, A is an OH group, B is a compound which is a leaving group such as a halogen atom or a sulfonic acid ester as a raw material, and the desired compound is synthesized under general Williamson ether synthesis conditions. Obtainable. When W is COO or OCO, it can be synthesized by reacting A and B as COOH and OH under esterification conditions. When W is CONH or NHCO, A and B are replaced with COOH and NH. 2 As a reaction under amidation conditions. W is CH 2 In the case of NHCO, A and B are CH 2 NH 2 And COOH can be synthesized by reacting them under amidation conditions. W is CH 2 In the case of NH or NH, the compound can be synthesized by reducing the compound of CONH or NHCO with borane. 1-Aryl-2,4 (1H, 3H) -pyrimidinedione (II) having a substituent A can be synthesized, for example, by a method according to the description in JP-A-8-109171. The amine (III) having a substituent B can be synthesized, for example, by the method described in JP-A-11-310581 or a method according to the same.
[0016]
Since the uracil derivative represented by the general formula (I) has a basic tertiary amino group, it can form salts with various acids. Pharmaceutically acceptable salts include hydrochloride, sulfate, acetate, methanesulfonic acid, maleic acid, fumaric acid, succinate and the like. When the uracil derivative has an acidic substituent, it may form a salt with various bases. In this case, the pharmaceutically acceptable salt includes a sodium salt, a potassium salt, a calcium salt, an ammonium salt and the like. These salts can be obtained by a conventional method such as recrystallization after mixing a uracil derivative with an acid or a base.
[0017]
The uracil derivative of the present invention can be used in various dosage forms such as oral preparations such as tablets, capsules and powders, as well as injections and external preparations. For example, the uracil derivative or the pharmaceutically acceptable salt of the present invention can be mixed with an ointment base such as petrolatum to prepare an ointment. In addition, the uracil derivative or the pharmaceutically acceptable salt of the present invention and lactose, excipients such as starch, magnesium stearate, a lubricant such as talc, and other conventional additives can be mixed into tablets. it can.
[0018]
The dose of the uracil derivative of the present invention is appropriately determined according to the patient's sex, age, weight, type of disease, symptoms, etc., for example, skin diseases such as atopic dermatitis, contact dermatitis, and psoriasis , An ointment containing 0.01 to 10% of the active ingredient can be applied to the affected area once to several times a day. For eye diseases such as allergic conjunctivitis, eye drops containing the active ingredient of 0.001 to 1% can be instilled once to several times a day. For diseases such as allergic rhinitis, nasal drops containing 0.001 to 1% of the active ingredient can be instilled once to several times a day. Oral preparations such as tablets, capsules and powders can generally be administered in a single dose or in divided doses in the range of 0.01 to 100 mg / kg per day.
[0019]
【Example】
Hereinafter, the present invention will be described specifically with reference to Examples, but the scope of the present invention is not limited thereto.
Reference Example 1 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid
2.0 g (7.9 mmol) of 1- (diphenylmethyl) piperazine is dissolved in 80 ml of acetonitrile, 1.2 g (8.7 mmol) of ethyl 4-bromobutyrate, 1.2 ml (8.7) of triethylamine. mmol) and stirred at 80 ° C. for 2 hours. Acetonitrile was distilled off, and the mixture was partitioned between dichloromethane and a 5% aqueous citric acid solution. The organic layer was washed with a 10% aqueous sodium chloride solution and then dried over anhydrous sodium sulfate. Dichloromethane was distilled off, the residue was dissolved in 30 ml of methanol, 7.9 ml of a 5N aqueous sodium hydroxide solution was added, and the mixture was stirred for 30 minutes. After the neutralization, methanol was distilled off, and the mixture was partitioned between dichloromethane and a 10% aqueous sodium chloride solution, and the organic layer was dried over anhydrous sodium sulfate. The title compound was obtained by evaporating the solvent (2.0 g (5.9 mmol), yield: 75%).
[0020]
Reference Example 2 5- (4- (diphenylmethyl) -1-piperazinyl) pentanoic acid
The title compound was obtained in the same manner as in Reference Example 1 using ethyl 5-bromovalerate instead of ethyl 4-bromobutyrate.
[0021]
(Reference Example 3) 4- (4- (hydroxydiphenylmethyl) -1-piperidinyl) butanoic acid
The title compound was obtained in the same manner as in Reference Example 1 except that α, α-diphenyl-4-piperidinylmethanol was used instead of 1- (diphenylmethyl) piperazine.
[0022]
(Reference Example 4) 4- (4- (diphenylmethoxy) -1-piperidinyl) butanoic acid
The title compound was obtained in the same manner as in Reference Example 1, except that 4- (diphenylmethoxy) piperidine was used instead of 1- (diphenylmethyl) piperazine.
[0023]
Reference Example 5 4- (4- (bis (4-fluorophenyl) methyl) -1-piperazinyl) butanoic acid
The title compound was obtained in the same manner as in Reference Example 1 except that 1- (bis (4-fluorophenyl) methyl) piperazine was used instead of 1- (diphenylmethyl) piperazine.
[0024]
(Reference Example 6) 4- (4- (bis (4-fluorophenyl) methoxy) -1-piperidinyl) butanoic acid
The title compound was obtained in the same manner as in Reference Example 1, except that 4- (bis (4-fluorophenyl) methoxy) piperidine was used instead of 1- (diphenylmethyl) piperazine.
[0025]
(Reference Example 7) 4- (4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazinyl) butanoic acid
Using 4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazine instead of 1- (diphenylmethyl) piperazine, the title compound was obtained in the same manner as in Reference Example 1. Obtained.
[0026]
(Example 1) 6-amino-1- [4- [3- [4- (diphenylmethyl) -1-piperazinyl] propyl] aminocarbonylphenyl] -3-methyluracil (compound 647)
6-amino-1- (4-carboxyphenyl) -3-methyluracil 600 mg (2.31 mmol) and 786 mg (2.54 mmol) of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine Was dissolved in 23 ml of dimethylformamide, and 374 mg (2.77 mmol) of 1-hydroxybenzotriazole and 531 mg (2.77 mmol) of 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride were added thereto. The mixture was stirred for 30 minutes. The solvent was distilled off, and the mixture was partitioned between ethyl acetate and a 5% aqueous sodium hydrogen carbonate solution. The organic layer was washed with a 10% aqueous sodium chloride solution and dried over anhydrous sodium sulfate. After evaporating the solvent, the residue was purified by silica gel column chromatography (dichloromethane: methanol = 30: 1 to 10: 1) to obtain the title compound (950 mg (1.72 mmol), yield: 74%).
1 H-NMR (DMSO-d 6 , Δ ppm): 8.62 (1H, br.t, J = 5.4 Hz), 7.95 (2H, d, J = 8.4 Hz), 7.14-7.43 (12H, m) , 6.19 (2H, br.s), 4.82 (1H, s), 4.26 (1H, s), 3.28 (2H, m), 3.28 (3H, s), 2.28. 31-2.49 (10H, m), 1.67 (2H, m)
Time-of-flight mass spectrometer TOF-mass: 553 (M + H)
[0027]
Example 2 6-amino-1- [3- [3- [4- (diphenylmethyl) -1-piperazinyl] propyl] aminocarbonylphenyl] -3-methyluracil (Compound 557)
The title compound was obtained in the same manner as in Example 1 except that 6-amino-1- (3-carboxyphenyl) -3-methyluracil was used instead of 6-amino-1- (4-carboxyphenyl) -3-methyluracil. Got.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.55 (1H, br.t, J = 5.1 Hz), 7.97 (2H, d, J = 8.4 Hz), 7.77 (1H, br.s), 7. .14-7.63 (12H, m), 6.22 (2H, br.s), 4.84 (1H, s), 4.23 (1H, s), 3.31 (2H, m), 3.09 (3H, s), 2.30-2.49 (10H, m), 1.66 (2H, m)
Time-of-flight mass spectrometer TOF-mass: 553 (M + H)
[0028]
Example 3 6-amino-1- [4- [3- [4-[(4-methylphenyl) phenylmethyl] -1-piperazinyl] propyl] aminocarbonylphenyl] -3-methyluracil (Compound 611)
Similar to Example 1 except that 3- (4-((4-methylphenyl) phenylmethyl) -1-piperazinyl) propylamine was used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine The title compound was obtained by the operation.
1 H-NMR (DMSO-d 6 , Δppm): 8.62 (1H, m), 7.95 (2H, d, J = 8.6 Hz), 7.07-7.43 (11H, m), 6.20 (2H, br. s), 4.81 (1H, s), 4.21 (1H, s), 3.29 (2H, m), 3.09 (3H, s), 2.30-2.49 (10H, m) ), 2.22 (3H, s), 1.66 (2H, m)
TOF-mass: 567 (M + H)
[0029]
Example 4 6-amino-1- [4- [3- [4- [bis (4-fluorophenyl) methyl] -1-piperazinyl] propyl] aminocarbonylphenyl] -3-methyluracil (Compound 622)
Similar to Example 1 except that 3- (4- (bis (4-fluorophenyl) methyl) -1-piperazinyl) propylamine is used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine The title compound was obtained by the operation.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.63 (1H, m), 7.96 (2H, d, J = 8.6 Hz), 7.43 (2H, d, J = 8.6 Hz), 7.04-7 .45 (8H, m), 6.20 (2H, br.s), 4.81 (1H, s), 4.01 (1H, s), 3.31 (2H, m), 3.09 ( 3H, s), 2.22-2.32 (10H, m), 1.65 (2H, m)
TOF-mass: 589 (M + H)
[0030]
Example 5 6-amino-1- [4- [3- [4- [bis (4-fluorophenyl) methoxy] -1-piperidinyl] propyl] aminocarbonylphenyl] -3-methyluracil (Compound 625)
Similar to Example 1 except that 3- (4- (bis (4-fluorophenyl) methoxy) -1-piperidinyl) propylamine is used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine The title compound was obtained by the operation.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.61 (1H, m), 7.96 (2H, t, J = 8.6 Hz), 7.35-7.44 (6H, m), 7.15 (2H, t, J = 8.6 Hz), 6.19 (2H, br.s), 5.67 (1H, s), 4.81 (1H, s), 3.33 (1H, m), 3.08 ( 3H, s), 2.66 (2H, m), 2.27-1.34 (4H, m), 2.02 (2H, m), 1.72-1.80 (4H, m) 55-1.54 (2H, m)
TOF-mass: 605 (M + H)
[0031]
Example 6 6-amino-1- [4- [3- [4- (diphenylmethyl) -1-piperazinyl] propyl] aminocarbonylphenyl] uracil (Compound 632)
The title compound was obtained in the same manner as in Example 1 except that 6-amino-1- (4-carboxyphenyl) uracil was used instead of 6-amino-1- (4-carboxyphenyl) -3-methyluracil.
1 H-NMR (DMSO-d 6 , Δ ppm): 10.50 (1H, br.s), 8.61 (1H, brtJ = 5.4 Hz), 7.94 (2H, d, J = 8.4 Hz), 7.14-. 7.43 (12H, m), 6.18 (2H, br.s), 4.67 (1H, s), 4.26 (1Hs), 3.31 (2H, m), 2.31- 2.50 (10H, m), 1.66 (2H, m)
TOF-mass: 540 (M + H)
[0032]
Example 7 6-amino-1- [4- [2- [4- (diphenylmethyl) -1-piperazinyl] ethyl] aminocarbonylphenyl] -3-methyluracil (Compound 646)
The title compound was obtained in the same manner as in Example 1 except that 2- (4- (diphenylmethyl) -1-piperazinyl) ethylamine was used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine. .
1 H-NMR (DMSO-d 6 , Δ ppm): 8.51 (1H, br.t, J = 5.1 Hz), 7.95 (2H, d, J = 8.6 Hz), 7.14-7.44 (12H, m) , 6.20 (2H, br.s), 4.81 (1H, s), 4.26 (1H, s), 3.39 (2H, m), 3.09 (3H, s), 31-2.52 (10H, m)
TOF-mass: 539 (M + H)
[0033]
Example 8 6-amino-1- [4- [4- [4- (diphenylmethyl) -1-piperazinyl] butyl] aminocarbonylphenyl] -3-methyluracil (Compound 648)
The title compound was obtained in the same manner as in Example 1 except that 4- (4- (diphenylmethyl) -1-piperazinyl) butylamine was used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine. .
1 H-NMR (DMSO-d 6 , Δ ppm): 8.57 (1H, br.t, J = 5.3 Hz), 7.91 (2H, d, J = 8.6 Hz), 7.14-7.43 (12H, m) , 6.19 (2H, br.s), 4.81 (1H, s), 4.24 (1H, s), 3.53 (2H, m), 3.08 (3H, s), 2. 28-2.50 (10H, m), 3.53 (4H, m)
TOF-mass: 567 (M + H)
[0034]
Example 9 6-amino-1- [4- [3- [4- (diphenylmethoxy) -1-piperidinyl] propyl] aminocarbonylphenyl] -3-methyluracil (Compound 657)
The title compound was obtained in the same manner as in Example 1 except that 3- (4- (diphenylmethoxy) -1-piperidinyl) propylamine was used instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine. Was.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.62 (1H, br.t, J = 5.4 Hz), 7.96 (2H, d, J = 8.6 Hz), 7.14-7.43 (12H, m) , 6.19 (2H, br.s), 4.01 (1H, s), 4.24 (1H, s), 3.33 (1H, s), 3.26 (2H, m), 08 (3H, s), 2.67 (2H, m), 2.51 (2H, m), 2.29 (2H, m), 2.01 (2H, m), 1.85 (2H, m) ), 1.49-1.71 (4H, m)
TOF-mass: 568 (M + H)
[0035]
Example 10 6-amino-1- [4- [3- [4- [bis (4-fluorophenyl) methyl] -1-piperazinyl] propyl] aminocarbonylphenyl] uracil (Compound 711)
6-amino-1- (4-carboxyphenyl) uracil is used in place of 6-amino-1- (4-carboxyphenyl) -3-methyluracil to give 3- (4- (diphenylmethyl) -1-piperazinyl) The title compound was obtained in the same manner as in Example 1 except that 3- (4- (bis (4-fluorophenyl) methyl) -1-piperazinyl) propylamine was used instead of propylamine.
1 H-NMR (DMSO-d 6 , Δ ppm): 10.50 (1H, br.s), 8.59 (1H, m), 7.94 (2H, d, J = 8.6 Hz), 7.38-7.45 (6H, m), 7.11 (4H, t, J = 8.6 Hz), 6.17 (2H, br.s), 4.67 (1H, s), 4.36 (1Hs), 3.30 (2H, m), 3.07 (3H, s), 2.31-2.52 (10H, m), 1.66 (2H, m)
TOF-mass: 576 (M + H)
[0036]
Example 11 6-amino-1- [4- [3- [4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazinyl] propyl] aminocarbonyl Phenyl] -3-methyluracil (Compound 1234)
Instead of 3- (4- (diphenylmethyl) -1-piperazinyl) propylamine, 3- (4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazinyl ) The title compound was obtained in the same manner as in Example 1 using propylamine.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.62 (1H, br.t, J = 5.1 Hz), 7.95 (2H, d, J = 8.6 Hz), 7.44 (6H, m), 7.12 (4H, t, J = 8.6 Hz), 6.20 (2H, br.s), 5.63 (1H, s), 4.81 (1H, s), 4.34 (2H, m) , 3.28 (2H, m), 3.09 (3H, s), 2.25-2.49 (14H, m), 1.66 (2H, m)
TOF-mass: 579 (M + H)
[0037]
Example 12 6-amino-1- [4- [4- [4- (diphenylmethyl) -1-piperazinyl] butanoylamino] phenyl] -3-methyluracil (Compound 827)
478 mg (2.06 mmol) of 6-amino-1- (4-aminophenyl) -3-methyluracil and 768 mg (2.27 mmol) of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid were added. It was dissolved in 25 ml of N, N-dimethylformamide, and 370 mg (2.72 mmol) of 1-hydroxy-7-aza-benzotriazole and 521 mg of 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride ( (2.72 mmol) and stirred for 2.5 hours. The solvent was distilled off, and the mixture was partitioned between ethyl acetate and a 5% aqueous sodium hydrogen carbonate solution. The organic layer was washed with a 10% aqueous sodium chloride solution and then dried over anhydrous sodium sulfate. After evaporating the solvent, the residue was purified by silica gel column chromatography to obtain the title compound (110 mg (0.20 mmol), yield: 13%).
1 H-NMR (DMSO-d 6 , Δppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.6 Hz), 7.14-7.42 (12H, m), 6.14 (2H, br. s), 4.78 (1H, s), 4.23 (1H, s), 3.08 (3H, s), 2.25-2.50 (12H, m), 1.72 (2H, m) )
TOF-mass: 553 (M + H)
[0038]
Example 13 6-amino-1- [4- [5- [4- (diphenylmethyl) -1-piperazinyl] pentanoylamino] phenyl] -3-methyluracil (Compound 828)
The title compound was obtained in the same manner as in Example 12 except for using 5- (4- (diphenylmethyl) -1-piperazinyl) pentanoic acid instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid. Was.
1 H-NMR (DMSO-d 6 , Δppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.6 Hz), 7.14-7.42 (12H, m), 6.14 (2H, br. s), 4.78 (1H, s), 4.25 (1H, s), 3.08 (3H, s), 2.25-2.50 (12H, m), 1.58 (2H, m) ), 1.44 (2H, m)
TOF-mass: 567 (M + H)
[0039]
(Example 14) 6-amino-1- [4- [4- [4- (hydroxydiphenylmethyl) -1-piperidinyl] butanoylamino] phenyl] -3-methyluracil (Compound 834)
The title compound was prepared in the same manner as in Example 12, except that 4- (4- (hydroxydiphenylmethyl) -1-piperidinyl) butanoic acid was used instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid. Obtained.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.63 (1H, br.t, J = 5.4 Hz), 7.96 (2H, t, J = 8.6 Hz), 7.43-7.17 (12H, m) , 5.79 (2H, br.s), 4.71 (1H, s), 4.26 (1H, s), 3.29 (2H, m), 3.11 (3H, s), 2.11. 31-2.40 (10H, m), 1.66 (2H, m)
TOF-mass: 568 (M + H)
[0040]
Example 15 6-amino-1- [4- [4- [4- (diphenylmethoxy) -1-piperidinyl] butanoylamino] phenyl] -3-methyluracil (Compound 837)
The title compound was obtained in the same manner as in Example 12 except that 4- (4- (diphenylmethoxy) -1-piperidinyl) butanoic acid was used instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid. Was.
1 H-NMR (DMSO-d 6 , Δ ppm): 10.08 (1H, s), 7.71 (2H, t, J = 8.6 Hz), 7.20-7.38 (12H, m), 6.14 (2H, br. s), 5.63 (1H, s), 4.78 (1H, s), 3.34 (1H, m), 3.07 (3H, s), 2.66 (2H, m), 2. 23-2.37 (4H, m), 2.00 (2H, m), 1.69-1.74 (4H, m), 1.55 (2H, m)
TOF-mass: 568 (M + H)
[0041]
Example 16 6-amino-1- [4- [4- [4- [bis (4-fluorophenyl) methyl] -1-piperazinyl] butanoylamino] phenyl] -3-methyluracil (Compound 892)
Similar to Example 12 except for using 4- (4- (bis (4-fluorophenyl) methyl) -1-piperazinyl) butanoic acid instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid The title compound was obtained by the operation.
1 H-NMR (CDCl 3 , Δ ppm): 10.07 (1H, s), 7.71 (2H, d, J = 8.9 Hz), 7.42 (4H, m), 7.42 (4H, m), 7.22 (2H, d, J = 8.9 Hz), 7.12 (4H, d, J = 8.9 Hz), 6.13 (2H, br.s), 4.79 (1H, s), 4 .31 (1H, s), 3.08 (3H, s), 2.31-2.51 (12H, m), 1.72 (2H, m)
TOF-mass: 590 (M + H)
[0042]
Example 17 6-amino-1- [4- [4- [4- [bis (4-fluorophenyl) methoxy] -1-piperidinyl] butanoylamino] phenyl] -3-methyluracil (Compound 895)
Similar to Example 12 except that 4- (4- (bis (4-fluorophenyl) methoxy) -1-piperidinyl) butanoic acid was used instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid The title compound was obtained by the operation.
1 H-NMR (DMSO-d 6 , Δ ppm): 10.08 (1H, s), 7.71 (2H, d, J = 8.9 Hz), 7.38 (4H, m), 7.12-7.23 (6H, m) , 6.13 (2H, br.s), 5.67 (1H, s), 4.79 (1Hs), 3.33 (1H, m), 3.31 (2H, m), 3.09 (3H, s), 2.30 (2H, m), 2.02 (2H, m), 1.81 (2H, m), 1.55-1.66 (4H, m)
TOF-mass: 605 (M + H)
[0043]
Example 18 6-amino-1- [4- [4- [4- (diphenylmethyl) -1-piperazinyl] butanoylaminomethyl] phenyl] -3-methyluracil (Compound 1007)
The same procedures as in Example 12 were repeated, except that 6-amino-1- (4-aminomethylphenyl) -3-methyluracil was used instead of 6-amino-1- (4-aminophenyl) -3-methyluracil. The compound was obtained.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.40 (1H, br.tJ = 5.9 Hz), 7.14-7.42 (14H, m), 6.09 (2H, br.s), 4.80 (1H) , S), 4.32 (2H, d, J = 5.9 Hz), 4.25 (1H, s), 3.07 (3H, s), 2.14-2.37 (12H, m) , 1.67 (2H, m)
TOF-mass: 568 (M + H)
[0044]
Example 19 6-amino-1- [4- [3- [4- (diphenylmethoxy) -1-piperidinyl] butanoylaminomethyl] phenyl] -3-methyluracil (Compound 1017)
Instead of 6-amino-1- (4-aminophenyl) -3-methyluracil, 6-amino-1- (4-aminomethylphenyl) -3-methyluracil is used, and 4- (4- (diphenylmethyl) The title compound was obtained in the same manner as in Example 12 except for using 4- (4- (diphenylmethoxy) -1-piperidinyl) butanoic acid instead of) -1-piperazinyl) butanoic acid.
1 H-NMR (DMSO-d 6 , Δ ppm): 8.40 (1H, br.tJ = 5.9 Hz), 7.18-7.38 (14H, m), 6.09 (2H, br.s), 5.63 (1H) , S), 4.80 (1H, s), 4.33 (2H, d, J = 5.9 Hz), 3.33 (1H, m), 3.07 (3H, s), 2.65 (2H, m), 2.14-2.23 (4H, m), 1.99 (2H, m), 1.82 (2H, m), 1.52-1.69 (4H, m)
TOF-mass: 583 (M + H)
[0045]
Example 20 6-amino-1- [4- [4- [4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazinyl] butanoylamino] Phenyl] -3-methyluracil (Compound 1306)
Instead of 4- (4- (diphenylmethyl) -1-piperazinyl) butanoic acid, 4- (4- (10,11-dihydro-5H-dibenzo [a, d] cyclohepten-5-yl) -1-piperazinyl ) The title compound was obtained in the same manner as in Example 12 using butanoic acid.
1 H-NMR (DMSO-d 6 , Δ ppm): 10.09 (1H, s), 7.71 (2H, t, J = 8.6 Hz), 7.06-7.24 (12H, m), 6.13 (2H, br. s), 4.79 (1H, s), 3.86-4.00 (3H, m), 3.07 (3H, s), 2.74 (2H, m), 2.22-2.37. (14H, m), 1.73 (2H, m)
TOF-mass: 579 (M + H)
[0046]
Example 21 6-amino-1- [4- [3- [4- (diphenylmethyl) -1-piperazinyl] propyloxy] phenyl] -3-methyluracil (Compound 107)
800 mg (3.43 mmol) of 6-amino-1- (4-hydroxyphenyl) -3-methyluracil was dissolved in 30 ml of N, N-dimethylformamide, and 931 μl (10.3 mmol) of 3-bromopropanol was added. 948 mg (6.86 mmol) of potassium carbonate was added, and the mixture was stirred at 50 ° C for 2.5 hours. After cooling, the solvent was distilled off, and the mixture was partitioned between dichloromethane and a 5% aqueous citric acid solution. The solid formed by neutralizing the aqueous layer was collected by filtration. 30 ml of dichloromethane was added to the solid, 288 μl (3.72 mmol) of mesyl chloride, 519 μl (3.72 mmol) of triethylamine and 175 mg (1.43 mmol) of dimethylaminopyridine were added under ice cooling, and the mixture was stirred for 5 hours. A 5% aqueous citric acid solution was added, and the mixture was extracted three times with dichloromethane. The organic layer was washed with a 10% aqueous sodium chloride solution and dried over anhydrous sodium sulfate. After evaporating the solvent, the residue was dissolved in 20 ml of acetonitrile, 686 mg (2.72 mmol) of 1- (diphenylmethyl) piperazine and 379 μl (2.72 mmol) of triethylamine were added, and the mixture was stirred at 80 ° C. for 2 hours. After cooling, the solvent was distilled off, a 5% aqueous sodium hydrogen carbonate solution was added, and the mixture was extracted with dichloromethane. The organic layer was washed with a 10% aqueous sodium chloride solution and dried over anhydrous sodium sulfate. The solid obtained by evaporating the solvent was suspended in a mixed solvent of ether and hexane and purified to obtain the title compound (50 mg, 0.10 mmol, yield: 3%).
1 H-NMR (DMSO-d 6 , Δ ppm): 7.00-7.43 (14H, m), 6.11 (2H, br.s), 4.78 (1H, s), 4.26 (1H, s), 4.02 ( 2H, t, J = 6.2 Hz), 3.07 (3H, s), 2.32-2.51 (10H, m), 1.87 (2H, m)
TOF-mass: 526 (M + H)
[0047]
Example 22 6-amino-1- [4- [4- [4- (diphenylmethyl) -1-piperazinyl] butylamino] phenyl] -3-methyluracil (Compound 288)
249 mg (0.45 mmol) of the compound 827 was dissolved in 5 ml of tetrahydrofuran, and 108 μl of borane dimethylsulfide complex was added thereto under ice-cooling, followed by heating under reflux for 1.5 hours. After cooling, 1.0 ml of 1N hydrochloric acid was added under ice cooling, and the mixture was heated under reflux for 2 hours. After cooling, the solvent was distilled off, 1N sodium hydroxide was added, and the mixture was extracted twice with dichloromethane. The organic layer was washed with a 10% aqueous sodium chloride solution and dried over anhydrous sodium sulfate. After distilling off dichloromethane, the residue was purified by silica gel chromatography (dichloromethane: methanol = 20: 1 to 10: 1) to obtain the title compound (27 mg (0.05 mmol), yield: 11%).
1 H-NMR (DMSO-d 6 , Δ ppm): 7.00-7.43 (14H, m), 5.04 (1H, s), 4.22 (1H, s), 4.13 (2H, br.s), 4.04 ( 2H, t, J = 6.2 Hz), 3.33 (3H, s), 2.50-2.55 (10H, m), 1.97 (2H, m)
TOF-mass: 526 (M + H)
[0048]
(Evaluation Example 1) Suppressive action of OVA-induced mouse biphasic dermatitis
OVA-induced mouse biphasic dermatitis model showing both immediate-type reactions strongly involving histamine and delayed-type reactions strongly involving infiltration of inflammatory cells in order to verify the inflammation-suppressing action of the novel uracil derivative having the antihistamine action of the present invention Was evaluated. 1 μg of ovalbumin (OVA) was added to an ICR male mouse by Al (OH) 3 Sensitization was induced by intraperitoneal administration with 1 mg. On the 14th day of sensitization, 10 μg of OVA was directly administered into the auricle to induce an allergic reaction. The test drug was suspended in a 0.5% CMC-Na aqueous solution and orally administered (30 mg / kg) one hour before the induction. The pinna thickness was measured 1 hour and 24 hours after the induction, and the dermatitis inhibitory effect of the test compound was evaluated using the difference from the pinna thickness before the induction as an index. As comparative examples, oxatomide (Oxatomide) and ketotifen fumarate (Ketotifen fumarate) were used, all of which were suspended in a 0.5% CMC-Na aqueous solution and orally administered one hour before the induction. The increase in pinna thickness one hour after induction was edema due to a chemical mediator such as histamine, which was defined as the immediate phase. After 24 hours, it was due to inflammatory cells such as eosinophils, which was defined as a late phase.
[0049]
As a result, as shown in Table 3, it is found that the compound of the present invention suppresses both the immediate phase and the delayed phase. In contrast, ketotifen, a known antihistamine, strongly inhibited the immediate phase but was ineffective for the late phase.
[0050]
[Table 3]
Figure 2004107299
[0051]
(Evaluation example 2)
In order to verify that the novel uracil derivative of the present invention has an antihistamine action, evaluation was performed by the Magnus method using a guinea pig ileum. The ileum removed from the guinea pig was washed in Tyrode solution and stored in a Tyrode solution at 32 ° C. with aeration. The ileum was excised at a length of about 2 cm, and one end was fixed to a fixed rod and the other end to a pressure transducer in a Magnus tube filled with Tyrode's solution, so that contraction of the ileum could be recorded. IC of each test drug against ileal contraction induced by adding 100 μL of 1.0 μM aqueous solution of Histamine to a Magnus tube filled with Tyrode solution 50 I asked. The test drug was added to the Tyrode solution in a volume of 5 μL two minutes before the addition of Histamine. Diphenhydramine and oxatomide were used as comparative examples.
[0052]
As shown in Table 4, the compounds of the present invention were shown to have the same level of antihistamine action as known antihistamines.
[0053]
[Table 4]
Figure 2004107299
[0054]
(Formulation Example 1) Tablet for internal use
A tablet for internal use having the following composition was prepared by a conventional method.
[0055]
Figure 2004107299
[0056]
【The invention's effect】
The uracil derivative of the present invention has both an antihistamine action and an anti-inflammatory action, and is useful as an antihistamine and / or as an antiallergic drug. In particular, it has a marked inflammation-suppressing action against allergic inflammation. The uracil derivative of the present invention suppresses itching due to histamine and also effectively suppresses allergic inflammation. It is useful as a therapeutic agent, and is a new compound that is more satisfactory in terms of efficacy, safety, and the like than conventional antiallergic agents, antihistamines, antiinflammatory agents, and the like.

Claims (9)

一般式(I):
Figure 2004107299
(式中、Rは水素原子、置換又は無置換の炭素数1〜4のアルキル基あるいは置換又は無置換の炭素数7〜10のアラルキル基を表し、R、Rはそれぞれ水素原子又は炭素数1〜4のアルキル基を表し、Ar、Arはそれぞれ置換又は無置換のフェニル基あるいは置換又は無置換の単環芳香族複素環基を表すが、Ar及びArの双方に結合する基によって第3の環を形成してもよく、WはO、NH、COO、OCO、CONH、NHCO、CHNH、又はCHNHCOを表し、Wはウラシル骨格1位のフェニル基上のオルト、メタ、パラいずれの位置に置換していてもよく、Xはメチン基(CH)又は窒素原子を表し、Yは、Xがメチン基の時、単結合又は酸素原子を表し、Xが窒素原子の時、単結合を表し、Zは、Xがメチン基でYが単結合の時、水素原子又は水酸基を表し、Xがメチン基でYが酸素原子の時及びXが窒素原子(Yは単結合)の時、水素原子を表し、mは2〜6を表す。)
で表されるウラシル誘導体又はその薬学的に許容される塩。
General formula (I):
Figure 2004107299
(Wherein, R 1 represents a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aralkyl group having 7 to 10 carbon atoms, and R 2 and R 3 each represent a hydrogen atom or Represents an alkyl group having 1 to 4 carbon atoms, and Ar 1 and Ar 2 each represent a substituted or unsubstituted phenyl group or a substituted or unsubstituted monocyclic aromatic heterocyclic group, and both Ar 1 and Ar 2 The third ring may be formed by a bonding group, and W represents O, NH, COO, OCO, CONH, NHCO, CH 2 NH, or CH 2 NHCO, and W represents a phenyl group at position 1 of the uracil skeleton. May be substituted at any of ortho, meta and para positions, X represents a methine group (CH) or a nitrogen atom, Y represents a single bond or an oxygen atom when X is a methine group, and X represents In the case of a nitrogen atom, it represents a single bond, Z Represents a hydrogen atom or a hydroxyl group when X is a methine group and Y is a single bond, and represents a hydrogen atom when X is a methine group and Y is an oxygen atom and when X is a nitrogen atom (Y is a single bond). , M represents 2 to 6)
Or a pharmaceutically acceptable salt thereof.
一般式(I)において、Ar、Arがそれぞれ置換又は無置換のフェニル基である請求項1記載のウラシル誘導体又はその薬学的に許容される塩。The uracil derivative or a pharmaceutically acceptable salt thereof according to claim 1 , wherein in the general formula (I), Ar 1 and Ar 2 are each a substituted or unsubstituted phenyl group. 一般式(I)において、Ar、Arがそれぞれ(1)ハロゲン原子もしくは炭素数1〜4のアルキル基で置換されていてもよいフェニル基又は(2)炭素原子以外に窒素原子、硫黄原子及び酸素原子から選ばれる1ないし4個のヘテロ原子を含む5ないし8員の芳香族複素環基である請求項1記載のウラシル誘導体又はその薬学的に許容される塩。In the general formula (I), Ar 1 and Ar 2 each represent (1) a phenyl group which may be substituted with a halogen atom or an alkyl group having 1 to 4 carbon atoms or (2) a carbon atom, a nitrogen atom and a sulfur atom. The uracil derivative or a pharmaceutically acceptable salt thereof according to claim 1, which is a 5- to 8-membered aromatic heterocyclic group containing 1 to 4 heteroatoms selected from oxygen atoms and oxygen atoms. 一般式(I)において、WがCONH又はNHCOである請求項1〜3のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩。The uracil derivative or a pharmaceutically acceptable salt thereof according to any one of claims 1 to 3, wherein in the general formula (I), W is CONH or NHCO. 一般式(I)において、Xがメチン基である請求項1〜4のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩。The uracil derivative or a pharmaceutically acceptable salt thereof according to any one of claims 1 to 4, wherein in the general formula (I), X is a methine group. 一般式(I)において、Xが窒素原子である請求項1〜4のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩。The uracil derivative or a pharmaceutically acceptable salt thereof according to any one of claims 1 to 4, wherein X is a nitrogen atom in the general formula (I). 請求項1〜6のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有する抗ヒスタミン剤。An antihistamine comprising the uracil derivative according to any one of claims 1 to 6 or a pharmaceutically acceptable salt thereof as an active ingredient. 請求項1〜6のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有する抗アレルギー剤。An antiallergic agent comprising the uracil derivative according to any one of claims 1 to 6 or a pharmaceutically acceptable salt thereof as an active ingredient. 請求項1〜6のいずれか1項に記載のウラシル誘導体又はその薬学的に許容される塩を有効成分として含有するアレルギー性結膜炎、アレルギー性鼻炎、慢性蕁麻疹、アトピー性皮膚炎、喘息又は慢性気管支炎の予防・治療剤。An allergic conjunctivitis, allergic rhinitis, chronic urticaria, atopic dermatitis, asthma or chronic which contains the uracil derivative according to any one of claims 1 to 6 or a pharmaceutically acceptable salt thereof as an active ingredient. Agent for the prevention and treatment of bronchitis.
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