JPS59167588A - Thiadiazole derivative - Google Patents

Thiadiazole derivative

Info

Publication number
JPS59167588A
JPS59167588A JP4271583A JP4271583A JPS59167588A JP S59167588 A JPS59167588 A JP S59167588A JP 4271583 A JP4271583 A JP 4271583A JP 4271583 A JP4271583 A JP 4271583A JP S59167588 A JPS59167588 A JP S59167588A
Authority
JP
Japan
Prior art keywords
compound
formula
thiadiazole
oxide
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4271583A
Other languages
Japanese (ja)
Inventor
Hiroshi Yuki
弘 湯木
Minoru Moriwaki
稔 森脇
Mitsuyoshi Yasumoto
安本 光由
Keiichiro Haga
芳賀 慶一郎
Kunio Osuge
大菅 邦男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Welfide Corp
Original Assignee
Welfide Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Welfide Corp filed Critical Welfide Corp
Priority to JP4271583A priority Critical patent/JPS59167588A/en
Publication of JPS59167588A publication Critical patent/JPS59167588A/en
Pending legal-status Critical Current

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  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

NEW MATERIAL:The compound of formula I (R<1>-R<4> are H or alkyl, or R<1> and R<2> may together with adjacent N atom form heterocyclic group; X is O, S or methylene; Z is O or S; m is 0 or 1; n is 2-4; p is 1 or 2), or its acid addition salt. EXAMPLE:3-Amino-4-5{2- [-( 3-pyrrolidino-1-propenyl )-2-thienylmethyl-thio ]ethylamino}-1,2,5-thiadiazole-1-oxide. USE:Drug for digestive organs and circulatory organs, and anti-inflammatory agent. PREPARATION:The objective compound can be prepared either by reacting the compound of formula II with the compound of formula III (L1 is halogen, lower alkoxy, or lower alkylthio) or by reacting the compound of formula II with the compound of formula IV and reacting the resultant compound of formula V with the compound of formula VI.

Description

【発明の詳細な説明】 本発明は、一般式 () で表わされるチアジアゾール誘導体およびその酸付加塩
に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a thiadiazole derivative represented by the general formula () and an acid addition salt thereof.

式中、R1、R2、R3、R4はそれぞれ水素、アルキ
ルを示すか、RおよびRは隣接する窒素原子とともに複
素環を形成する基を示す。Xは酸素原子、硫黄原子、メ
チレンを、Zは酸素原子、硫黄原子を、mは0.1を、
nは2〜4の整数を、pは1,2を示す。
In the formula, R1, R2, R3, and R4 each represent hydrogen or alkyl, or R and R represent a group forming a heterocycle with the adjacent nitrogen atom. X is oxygen atom, sulfur atom, methylene, Z is oxygen atom, sulfur atom, m is 0.1,
n represents an integer of 2 to 4, and p represents 1 or 2.

上記定義中、アルキルとは炭素数1〜8の直鎖または分
枝状のもので、メチル、エチル、プロピル、イソプロピ
ル、ブチル、ペンチル、オクチル   −などであり、
R1およびR2が隣接する窒素原子とともに形成する複
素環としては、5または6員環の脂環式複素環を示し、
さらに環内に酸素原子、窒素原子を含有してもよい。こ
れらの例として、ピロリジン、ピペリジン、モルホリン
、4位がアルキルで置換されたピペラジンなどがあげら
れる。
In the above definition, alkyl is a straight chain or branched chain having 1 to 8 carbon atoms, such as methyl, ethyl, propyl, isopropyl, butyl, pentyl, octyl, etc.
The heterocycle formed by R1 and R2 together with the adjacent nitrogen atom is a 5- or 6-membered alicyclic heterocycle,
Furthermore, an oxygen atom or a nitrogen atom may be contained in the ring. Examples of these include pyrrolidine, piperidine, morpholine, piperazine substituted with alkyl at the 4-position, and the like.

木発F3Aは、一般式(I)の化合物の互変異性体、幾
何異性体の全てを包含するものである。
Wood F3A includes all tautomers and geometric isomers of the compound of general formula (I).

本発明の一般式(I)の化合物は、たとえば、一般式 の化合物と一般式 (式中L1は、ハロゲン、低級アルコキシ、低級アルキ
ルチオを示す。) の化合物を反応させるか、または化合物(II)に一般
式 の化合物を反応させ、一般式 (V) とし、これに一般式 の化合物を反応させることにょシ、一般式(I)の化合
物が製造される。
The compound of general formula (I) of the present invention can be obtained, for example, by reacting a compound of general formula with a compound of general formula (wherein L1 represents halogen, lower alkoxy, or lower alkylthio), or by reacting compound (II) with a compound of general formula (wherein L1 represents halogen, lower alkoxy, or lower alkylthio). is reacted with a compound of general formula to form general formula (V), and by reacting this with a compound of general formula, a compound of general formula (I) is produced.

反応は好ましくは溶媒中、冷却下から150 ’Cの範
囲で行われる。溶媒としては、たとえば、水、アルコー
ル類(メタノール、エタノール、インプロパツールなど
)、エーテル類(ジエチルエーテル、ジオキサン、テト
ラヒドロフランなど)、炭化水素(ヘキサン、ベンゼン
、トルエンナト)、ケトン類(アセトンζ″メヂルエチ
ルケトンなど)、アミド類(ジメチルホルムアミド、ジ
メチルアセクミドなど)、第三アミン類(ピリジン、ト
リエチルアミンなど)またはこれらの混合溶媒があげら
れる。
The reaction is preferably carried out in a solvent at temperatures ranging from 150'C under cooling. Examples of solvents include water, alcohols (methanol, ethanol, impropatol, etc.), ethers (diethyl ether, dioxane, tetrahydrofuran, etc.), hydrocarbons (hexane, benzene, toluene), ketones (acetone Examples include diylethyl ketone, etc.), amides (dimethylformamide, dimethylacemide, etc.), tertiary amines (pyridine, triethylamine, etc.), or mixed solvents thereof.

本発明による一般式(I)で示されるチアジアゾール誘
導体は、遊離酸またはその酸付加塩、あるいは水和物と
して、医薬に供し得る。酸付加塩としては、塩酸、硫酸
、臭化水紫酸、リン酸、ギ酸、酢酸、修酸、フマル酸、
マレイン酸、クエン酸、酒石酸、リンゴ酸、マンデル酸
、メタンスルホン酸、トルエンスルホン酸などの無機酸
及ヒ有機酸の塩があげられる。
The thiadiazole derivative represented by the general formula (I) according to the present invention can be used as a medicine as a free acid, an acid addition salt thereof, or a hydrate. Acid addition salts include hydrochloric acid, sulfuric acid, hydrobromic acid, phosphoric acid, formic acid, acetic acid, oxalic acid, fumaric acid,
Examples include salts of inorganic acids and arsenic acids such as maleic acid, citric acid, tartaric acid, malic acid, mandelic acid, methanesulfonic acid, and toluenesulfonic acid.

本発明の化合物は、消化器系用薬、循環側糸用薬、消炎
側糸して有用である。たとえば、ヒスタミンH2−受容
体に拮抗することにより、胃酸分泌抑制剤、抗潰瘍剤、
ヒスタミンが媒体であるアレルギー性病治療剤、ヒスタ
ミンによる血圧下降まだは、心拍数の増加を抑制する心
臓血管系に作用する薬剤として有用である。
The compounds of the present invention are useful as drugs for the digestive system, drugs for circulation, and anti-inflammatory drugs. For example, by antagonizing histamine H2-receptors, gastric acid secretion inhibitors, anti-ulcer agents,
Histamine-mediated therapeutic agent for allergic diseases, histamine-induced blood pressure reduction, is useful as a drug that acts on the cardiovascular system and suppresses increases in heart rate.

本発明の化合物は、経口でも非経口でも用いられるが、
経口の場合、適宜に薬理的に許容される担体、賦形剤、
希釈剤と混合し、散剤、錠剤、カプセル剤、トローチ、
水剤、シロップ剤、顆粒剤として投与され得る。非経口
の場合、水溶液もしくは非水性懸濁剤として、静注、筋
注、皮下注射などの注射剤または平削、クリーム状軟膏
剤として用いられる。経口投与の場合、各投与単位1゜
〜200■の活性成分を含有させ、1日2〜4回投与さ
れ、1日の用量50〜1200■が好ましい。
Although the compounds of the present invention can be used orally or parenterally,
In the case of oral administration, appropriate pharmacologically acceptable carriers, excipients,
Mix with diluents to form powders, tablets, capsules, troches,
It can be administered as a solution, syrup, or granule. In the case of parenteral administration, it is used as an aqueous solution or non-aqueous suspension, an injection such as intravenous injection, intramuscular injection, or subcutaneous injection, or as a tablet or cream ointment. For oral administration, each dosage unit contains 1° to 200 μl of active ingredient and is administered 2 to 4 times a day, with daily doses of 50 to 1200 μl being preferred.

以下に、実施例をあげて本発明をより一層具体的に説明
するが、本発明はこれに限定されるものではない。
EXAMPLES The present invention will be explained in more detail below with reference to Examples, but the present invention is not limited thereto.

実施例1 3.4−ジェトキシ−1,2,5−チアジアゾール−1
−オキサイド3.8gをエタノール45meに溶解し、
これに0〜5°Cでエタノール10ηleに溶解した2
−C3−(3−ピロリジノ−1−プロペニル)−2−チ
ェニルメチルチオ〕エチルアミン5.6gを30分間で
滴下し、滴下後、室温で3時間撹拌する。次に15%ア
ンモニア含有エタノール15meを10°Cで加え、室
温で6時間撹拌し、減圧下濃縮する。残った油状物をク
ロロホルムに溶解し、水洗し、芒硝で乾燥させ、減圧下
クロロホルムを留去し、イソプロピルアルコールから再
結晶すると、融点127〜131℃の3−アミノ−4−
〔2−(5−(3−ピロリジノ−1−プロペニル)−2
−チェニルメチルチオ)エチルアミノ) −L2.5−
チアジアゾール−1−オキサイド4.5gが得られる。
Example 1 3.4-jethoxy-1,2,5-thiadiazole-1
-Dissolve 3.8g of oxide in 45me of ethanol,
This was dissolved in 10 ηle of ethanol at 0-5°C.
5.6 g of -C3-(3-pyrrolidino-1-propenyl)-2-thenylmethylthio]ethylamine was added dropwise over 30 minutes, and after the addition, the mixture was stirred at room temperature for 3 hours. Next, ethanol 15me containing 15% ammonia is added at 10°C, stirred at room temperature for 6 hours, and concentrated under reduced pressure. The remaining oil was dissolved in chloroform, washed with water, dried over Glauber's salt, chloroform was distilled off under reduced pressure, and recrystallized from isopropyl alcohol to give 3-amino-4- with a melting point of 127-131°C.
[2-(5-(3-pyrrolidino-1-propenyl)-2
-thenylmethylthio)ethylamino) -L2.5-
4.5 g of thiadiazole-1-oxide are obtained.

実施例2 (A)3.4−ジェトキシ−1,2,5−チアジアゾー
ル−1−オキサイド3.8gをエタノール45meに溶
解し、これに0〜5°Cでエタノール10meに溶解し
だ2−〔5−(3−ジメチルアミノ−1−プロペニル)
−2−チェニルメチル千オ〕エチルアミン5.2gを3
0分間で滴下し、滴下後室部で3時間撹拌し、減圧下エ
タノールを留去する。伐った油状物をクロロホルムに溶
解し、水洗後、芒硝で乾燥し、クロロホルムを減圧下留
去する。残った油状物ヲ、クロロホルム−エタノール(
5:1)を使用して、シリカゲル(150g)でクロマ
トグラフ処理すると、粘稠な油状物として、3−〔2−
(5−(3−ジメチルアミノ−1−プロペニル)−2−
チェニルメチルチオ)エチルアミノコ−4−エトキシ−
1,2,5−チアジアゾール−1−オキサイド5.8g
が得られる。
Example 2 (A) 3.8 g of 4-jetoxy-1,2,5-thiadiazole-1-oxide was dissolved in 45 me of ethanol, and then dissolved in 10 me of ethanol at 0 to 5°C. 5-(3-dimethylamino-1-propenyl)
-2-Thenylmethyl 1,000]ethylamine 5.2g
After the dropwise addition, the mixture was stirred in the chamber for 3 hours, and the ethanol was distilled off under reduced pressure. The oily material obtained from the cuttings is dissolved in chloroform, washed with water, dried with Glauber's salt, and the chloroform is distilled off under reduced pressure. Remove the remaining oily substance from chloroform-ethanol (
5:1) and chromatographed on silica gel (150 g) as a viscous oil.
(5-(3-dimethylamino-1-propenyl)-2-
chenylmethylthio)ethylaminoco-4-ethoxy-
1,2,5-thiadiazole-1-oxide 5.8g
is obtained.

(B)  上記(A)で得られた化合物5.8gをアセ
トニド’)ル40tneに溶解し、lOoCで15%ア
ンモニア含有エタノール15meを加え、室温で6時間
撹拌後、減圧下溶媒を留去する。残った油状物をイソプ
ロピルアルコールから再結晶すると、1独点141〜1
44°Cの3−アミノ−4−112−(5−(3−ジメ
チルアミノ−1−プロペニル) −2−1−エニルメチ
ルチオ)エチルアミノ) −L 2.5−チアジアゾー
ル−1−オキサイド4.2gが得られる。
(B) Dissolve 5.8 g of the compound obtained in (A) above in 40 tne of acetonide, add 15 ml of ethanol containing 15% ammonia at 100C, stir at room temperature for 6 hours, and then evaporate the solvent under reduced pressure. . When the remaining oil is recrystallized from isopropyl alcohol, 141-1
4.2 g of 3-amino-4-112-(5-(3-dimethylamino-1-propenyl)-2-1-enylmethylthio)ethylamino)-L 2.5-thiadiazole-1-oxide at 44°C. is obtained.

上記実施例および明細書の方法により次の化合物が得ら
れる。
The following compounds are obtained by the methods described in the above examples and specification.

◎ 3−アミン−4−C2−(5−(3−ピロリジノ−
1−プロペニル)−2=フリルメチルチオ)エチルアミ
ノ) −1,2,5−チアジアゾール−1−オキサイド
、融点130〜132°C◎ 3−ア三ノー4−C2−
(5−(3−ピペリジノ−1−プロペニル)−2−チェ
ニルメチルチオ)エチルアミ7)−1,2,5−チアジ
アゾール−1−オキサイド、融点132〜135°C◎
 3−アミノ−4−C3−(5−(3−ピロリシ/ −
1−7”ロペニル)−2−チェニルチオ)プロピルアミ
ノ) −1,2,5−チアジアゾール−1−オキサイド
、融点167〜170°C ◎ 3−アミノ−4−112−(5−(3−ピロリシノ
ー1−プロペニル)−2−チェニルチオ)エチルアミノ
) −1,2,s−デアジアゾール−1−オキサイド、
融点147〜151°C ◎ 3−アミノ−4−〔1−(5−(3−モルホリノ−
1−プロペニル)−2−チェ二lレメトキシ)エチルア
ミン’) −1,2,5−チアジアゾール−1−オキサ
イド ◎ 3−メチルアミノー4−412−(5−(3−ピロ
リシノー1−7’ロペニル)−21−エニルメチルチオ
)エチルアミノ) −1,2,s−チアジアゾール−1
−オキサイド ◎ 3−メチルアミノ−4−[I 2−(5−(3−ピ
ロlJシ/−]−プロペニル)−2−;lルメチルチオ
)エチルアミノ) −1,2,5−チアジアゾール−1
−オキサイド ◎ 3−アミノ−4−C2−(5−(3−ピロリジノ−
1−フロベニル)−2−チェニルメチルチオ)エチルア
ミノ〕−L 2. s−チアジアゾール−L 1−ジオ
キザイド ◎ 3−アミノ−4−C4−(s−(3−(4−メチル
−■−ピペラジニル)−1−プロペニル)−2−チェニ
ル)ブチルアミノ’] −1,2,5−チアジアゾール
−1−オキサイド ◎ 3−ジメチルアミノ−4−(2−(5−(3−ピロ
リジノ−1−プロペニル)−2−チェニルメチルチオ)
エチルアミノ〕−1,’ 2.5−チアジアゾール−1
−オキサイド 代理人 弁理士 高宮城  勝 (C07D 417/12 85100 333100 )           8214■発
 明 者 森脇稔 福岡県築上郡吉富町大字直江34 0発 明 者 安本光由 福岡県築上郡太平村土佐井763 1 0発 明 者 芳賀慶一部 中津市中央町1丁目10−76 0発 明 者 大菅邦男 中津市東浜今新地1番通774−5 一と
◎ 3-amine-4-C2-(5-(3-pyrrolidino-
1-propenyl)-2=furylmethylthio)ethylamino)-1,2,5-thiadiazole-1-oxide, melting point 130-132°C◎ 3-Asanino-4-C2-
(5-(3-piperidino-1-propenyl)-2-thenylmethylthio)ethylami7)-1,2,5-thiadiazole-1-oxide, melting point 132-135°C◎
3-amino-4-C3-(5-(3-pyrrolisi/ -
1-7"Lopenyl)-2-chenylthio)propylamino)-1,2,5-thiadiazole-1-oxide, melting point 167-170°C ◎ 3-Amino-4-112-(5-(3-pyrrolisino) -propenyl)-2-chenylthio)ethylamino) -1,2,s-deadiazole-1-oxide,
Melting point: 147-151°C ◎ 3-amino-4-[1-(5-(3-morpholino-
1-propenyl)-2-chenylremethoxy)ethylamine') -1,2,5-thiadiazole-1-oxide -enylmethylthio)ethylamino) -1,2,s-thiadiazole-1
-Oxide
-oxide ◎ 3-amino-4-C2-(5-(3-pyrrolidino-
1-Flobenyl)-2-chenylmethylthio)ethylamino]-L 2. s-thiadiazole-L 1-dioxide ◎ 3-amino-4-C4-(s-(3-(4-methyl-■-piperazinyl)-1-propenyl)-2-chenyl)butylamino'] -1,2 ,5-thiadiazole-1-oxide◎ 3-dimethylamino-4-(2-(5-(3-pyrrolidino-1-propenyl)-2-chenylmethylthio)
ethylamino]-1,'2,5-thiadiazole-1
-Oxide agent Patent attorney Masaru Takamiyagi (C07D 417/12 85100 333100) 8214 Inventor Minoru Moriwaki 34 Oaza Naoe, Yoshitomi-cho, Chikujo-gun, Fukuoka Prefecture 0 Inventor Mitsuyoshi Yasumoto 763 Tosai, Taihei-mura, Chikujo-gun, Fukuoka Prefecture 1 0 Inventor: Haga Keibu 1-10-76 Chuocho, Nakatsu City 0 Inventor: Kunio Osuga 774-5 Higashihama-Imashinchi 1-dori, Nakatsu City Ichito

Claims (1)

【特許請求の範囲】 一般式 で表わされるチアジアゾール誘導体およびその酸付加塩
。 式中、R、R、R、Rはそれぞれ水素、アルキルを示す
か、R1およびR2は隣接する窒素原子とともに複素環
を形成する基を示す。Xは酸素原子、硫黄原子、メチレ
ンを、Zは酸素原子、硫黄原子を、mは0.1を、nは
2〜4の整数を、pは1.2を示す。
[Claims] Thiadiazole derivatives represented by the general formula and acid addition salts thereof. In the formula, R, R, R, and R each represent hydrogen or alkyl, or R1 and R2 represent a group forming a heterocycle with the adjacent nitrogen atom. X represents an oxygen atom, a sulfur atom, or methylene, Z represents an oxygen atom or a sulfur atom, m represents 0.1, n represents an integer of 2 to 4, and p represents 1.2.
JP4271583A 1983-03-14 1983-03-14 Thiadiazole derivative Pending JPS59167588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4271583A JPS59167588A (en) 1983-03-14 1983-03-14 Thiadiazole derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4271583A JPS59167588A (en) 1983-03-14 1983-03-14 Thiadiazole derivative

Publications (1)

Publication Number Publication Date
JPS59167588A true JPS59167588A (en) 1984-09-21

Family

ID=12643761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4271583A Pending JPS59167588A (en) 1983-03-14 1983-03-14 Thiadiazole derivative

Country Status (1)

Country Link
JP (1) JPS59167588A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647559A (en) * 1983-04-29 1987-03-03 William H. Rorer, Inc. Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use
US4743600A (en) * 1984-04-27 1988-05-10 Rorer Pharmaceutical Corporation Benzocyclobutene aminoalkylene ethers and thioethers, pharmaceutical compositions and use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647559A (en) * 1983-04-29 1987-03-03 William H. Rorer, Inc. Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use
US4743600A (en) * 1984-04-27 1988-05-10 Rorer Pharmaceutical Corporation Benzocyclobutene aminoalkylene ethers and thioethers, pharmaceutical compositions and use

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