JPH09202766A - Production of unsaturated thioimidate - Google Patents

Production of unsaturated thioimidate

Info

Publication number
JPH09202766A
JPH09202766A JP974696A JP974696A JPH09202766A JP H09202766 A JPH09202766 A JP H09202766A JP 974696 A JP974696 A JP 974696A JP 974696 A JP974696 A JP 974696A JP H09202766 A JPH09202766 A JP H09202766A
Authority
JP
Japan
Prior art keywords
group
formula
aryl
compound
substituent
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
JP974696A
Other languages
Japanese (ja)
Inventor
Osamu Kobayashi
修 小林
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP974696A priority Critical patent/JPH09202766A/en
Publication of JPH09202766A publication Critical patent/JPH09202766A/en
Pending legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROBLEM TO BE SOLVED: To selectively obtain an unsaturated thioimidate useful as an intermediate for synthesizing various kinds of medicines, agricultural chemicals, etc., by a simple process comprising reacting an imino compound with an acetylene compound in the presence of a Lewis acid catalyst. SOLUTION: An imino compound of formula I (R<1> is an alkyl, an alkenyl, an alkynyl, a cycloalkyl, an aralkyl, an aryl, a heterocyclic group; R<2> is an alkyl, an aralkyl, an aryl, an aryl, an alkoxycarbonyl, an organic sulfonyl) is reacted with an acetylene compound of the formula: R<4> -C≡C-SR<3> (R<3> is an alkyl, an aryl; R<4> is H, an alkyl, an cycloalkyl, an aralkyl, an aryl, a heterocyclic group) in the presence of a Lewis acid catalyst (e.g. scandium triflate) in a solvent (e.g. acetonitrile) at -10 to 100 deg.C for 10min to 20hrs to obtain the unsaturated thioimidate of formula II. The acetylene compound, the lewis acid catalyst and the solvent are used in amounts of 0.8-1.2 equivalents, 0.001-1 mole and 0.5-100wt.times, respectively, on the basis of the compound of formula I.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、不飽和チオイミデ
ートの製造方法に関する。本発明により製造される不飽
和チオイミデートは、各種医薬・農薬の合成中間体とし
て有用である。
TECHNICAL FIELD The present invention relates to a method for producing unsaturated thioimidate. The unsaturated thioimidate produced by the present invention is useful as a synthetic intermediate for various pharmaceuticals and agricultural chemicals.

【0002】[0002]

【従来の技術】不飽和チオイミデートの製法としては、
従来イミドイルトリフェニルホスホニウムメチリドとカ
ルボニル化合物とを反応させる方法が知られている(Bu
ll. Chem. Soc. Jpn., 50, 3315(1977) 参照)。
2. Description of the Related Art As a method for producing unsaturated thioimidate,
Conventionally, a method of reacting imidoyltriphenylphosphonium methylide with a carbonyl compound is known (Bu
ll. Chem. Soc. Jpn., 50, 3315 (1977)).

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記の
方法は原料合成が煩雑なこと、大量のトリフェニルホス
フィンオキサイドが副生すること等の問題点を有してお
り、工業的に満足できる方法ではない。しかして、本発
明の目的は、安価な原料を用い、簡便な工程で選択性よ
く不飽和チオイミデートを製造し得る工業的に有利な方
法を提供することにある。
However, the above-mentioned method has problems that the raw material synthesis is complicated and a large amount of triphenylphosphine oxide is produced as a by-product. Absent. Therefore, an object of the present invention is to provide an industrially advantageous method capable of producing unsaturated thioimidate with good selectivity by a simple process using an inexpensive raw material.

【0004】[0004]

【課題を解決するための手段】本発明によれば、上記の
目的は、一般式(I)
According to the present invention, the above objects have been achieved by the general formula (I)

【0005】[0005]

【化10】 Embedded image

【0006】(式中、R1 は置換基を有していてもよい
アルキル基、アルケニル基、アルキニル基、シクロアル
キル基、アラルキル基、アリール基または複素環基を表
し、R2 は置換基を有していてもよいアルキル基、アラ
ルキル基、アリール基、アシル基、アルコキシカルボニ
ル基または有機スルホニル基を表す。)で示されるイミ
ノ化合物(以下、イミノ化合物(I)と略記することが
ある)と一般式(II)
(In the formula, R 1 represents an optionally substituted alkyl group, alkenyl group, alkynyl group, cycloalkyl group, aralkyl group, aryl group or heterocyclic group, and R 2 represents a substituent group. And an imino compound represented by an alkyl group, an aralkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or an organic sulfonyl group which may have (hereinafter, may be abbreviated as imino compound (I)). General formula (II)

【0007】[0007]

【化11】 Embedded image

【0008】(式中、R3 は置換基を有していてもよい
アルキル基またはアリール基を表し、R4 は水素原子、
置換基を有していてもよいアルキル基、シクロアルキル
基、アラルキル基、アリール基または複素環基を表
す。)で示されるアセチレン化合物(以下、アセチレン
化合物(II)と略記することがある)を、ルイス酸触媒
の存在下に反応させるか、または一般式(III)
(In the formula, R 3 represents an optionally substituted alkyl group or aryl group, R 4 represents a hydrogen atom,
It represents an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group or a heterocyclic group which may have a substituent. ), The acetylene compound represented by the formula (hereinafter sometimes abbreviated as acetylene compound (II)) is reacted in the presence of a Lewis acid catalyst,

【0009】[0009]

【化12】 Embedded image

【0010】(式中、RおよびR3 は前記定義のと
おりであり、R5 はアルキレン基またはo−フェニレン
アルキレン基を表す。)で示される化合物(以下、化合
物(III)と略記することがある)を、ルイス酸触媒の存
在下、環化反応に付すことを特徴とする一般式(IV)
(In the formula, R 2 and R 3 are as defined above, and R 5 represents an alkylene group or an o-phenylenealkylene group.) (Hereinafter abbreviated as compound (III)). Is present in the general formula (IV), which is subjected to a cyclization reaction in the presence of a Lewis acid catalyst.

【0011】[0011]

【化13】 Embedded image

【0012】(式中、R2 およびR3 は前記定義のとお
りであり、R6 はR1 を表し、かつR7 はR4 を表す
か、またはR6 とR7 は一緒になってR5 を表し、ここ
でR1 、R4 およびR5 は前記定義のとおりである。)
で示される不飽和チオイミデート(以下、不飽和チオイ
ミデート(IV)と略記することがある)の製造方法を提
供することにより達成される。
Wherein R 2 and R 3 are as defined above, R 6 represents R 1 and R 7 represents R 4 , or R 6 and R 7 together are R Represents 5 , where R 1 , R 4 and R 5 are as defined above.)
It is achieved by providing a method for producing an unsaturated thioimidate (hereinafter, sometimes abbreviated as unsaturated thioimidate (IV)).

【0013】[0013]

【発明の実施の形態】上記一般式において、R1 および
4 が表すアルキル基は直鎖状、分岐鎖状のいずれでも
よく、例えばメチル基、エチル基、プロピル基、イソプ
ロピル基、ブチル基、第二級ブチル基、ペンチル基、ヘ
キシル基、オクチル基、デシル基等が挙げられる。R1
およびR4 が表すシクロアルキル基としては、例えばシ
クロプロピル基、シクロペンチル基、シクロヘキシル基
等が挙げられ、アラルキル基としては、例えばベンジル
基、フェネチル基等が挙げられ、アリール基としては、
例えばフェニル基、ナフチル基等が挙げられ、複素環基
としては、例えばピリジル基、フリル基、チエニル基、
ピロール基、オキサゾリル基、チアゾリル基、イミダゾ
リル基、ピラゾリル基、イソオキサゾリル基、イソチア
ゾリル基、ピラジニル基、トリアジニル基、インドール
基、キノリル基等が挙げられる。また、R1 が表すアル
ケニル基としては、例えばプロペニル基、ブテニル基、
オクテニル基、2,6−ジメチル−1,5−ヘプタジエ
ニル基等が挙げられ、アルキニル基としては、例えばエ
チニル基、プロピニル基、ブチニル基、オクチニル基等
が挙げられる。
BEST MODE FOR CARRYING OUT THE INVENTION In the above general formula, the alkyl group represented by R 1 and R 4 may be linear or branched, for example, methyl group, ethyl group, propyl group, isopropyl group, butyl group, Examples thereof include secondary butyl group, pentyl group, hexyl group, octyl group and decyl group. R 1
Examples of the cycloalkyl group represented by R 4 include a cyclopropyl group, a cyclopentyl group and a cyclohexyl group, examples of the aralkyl group include a benzyl group and a phenethyl group, and examples of the aryl group include:
Examples thereof include a phenyl group and a naphthyl group, and examples of the heterocyclic group include a pyridyl group, a furyl group, a thienyl group,
Examples thereof include pyrrole group, oxazolyl group, thiazolyl group, imidazolyl group, pyrazolyl group, isoxazolyl group, isothiazolyl group, pyrazinyl group, triazinyl group, indole group and quinolyl group. Examples of the alkenyl group represented by R 1 include a propenyl group, a butenyl group,
Examples thereof include an octenyl group and a 2,6-dimethyl-1,5-heptadienyl group. Examples of the alkynyl group include an ethynyl group, a propynyl group, a butynyl group and an octynyl group.

【0014】上記のアルキル基、アルケニル基、アルキ
ニル基、シクロアルキル基、アラルキル基、アリール基
および複素環基は塩素原子、臭素原子、ヨウ素原子等の
ハロゲン原子;メトキシ基、エトキシ基、プロポキシ
基、イソプロポキシ基等のアルコキシ基;メトキシカル
ボニル基、エトキシカルボニル基、プロポキシカルボニ
ル基等のアルコキシカルボニル基;フェニル基、メチル
フェニル基、メトキシフェニル基、クロロフェニル基等
のアリール基等の置換基を有していてもよい。
The above-mentioned alkyl group, alkenyl group, alkynyl group, cycloalkyl group, aralkyl group, aryl group and heterocyclic group are halogen atoms such as chlorine atom, bromine atom and iodine atom; methoxy group, ethoxy group, propoxy group, Alkoxy groups such as isopropoxy group; alkoxycarbonyl groups such as methoxycarbonyl group, ethoxycarbonyl group, propoxycarbonyl group; and substituents such as aryl groups such as phenyl group, methylphenyl group, methoxyphenyl group, chlorophenyl group, etc. May be.

【0015】R2 が表すアルキル基、アラルキル基およ
びアリール基としては、R1 およびR4 が表すのと同様
の基が挙げられ、これらの基は上記したような置換基を
有していてもよい。また、R2 が表すアシル基として
は、例えばアセチル基、プロパノイル基、ベンゾイル基
等が挙げられ、アルコキシカルボニル基としては、例え
ばメトキシカルボニル基、エトキシカルボニル基、アリ
ルオキシカルボニル基、ベンジルオキシカルボニル基等
が挙げられ、有機スルホニル基としては、例えばメタン
スルホニル基、ベンゼンスルホニル基、トルエンスルホ
ニル基等が挙げられる。
Examples of the alkyl group, aralkyl group and aryl group represented by R 2 include the same groups as those represented by R 1 and R 4 , and these groups may have a substituent as described above. Good. Examples of the acyl group represented by R 2 include acetyl group, propanoyl group and benzoyl group, and examples of the alkoxycarbonyl group include methoxycarbonyl group, ethoxycarbonyl group, allyloxycarbonyl group and benzyloxycarbonyl group. Examples of the organic sulfonyl group include a methanesulfonyl group, a benzenesulfonyl group, a toluenesulfonyl group and the like.

【0016】R3 が表すアルキル基としては、R1 およ
びR4 が表すのと同様の基が挙げられ、これらの基は上
記したような置換基を有していてもよい。また、R3
表すアリール基としては、例えばフェニル基、トリル
基、ニトロフェニル基、クロロフェニル基、ブロモフェ
ニル基、メトキシフェニル基、ナフチル基等が挙げられ
る。
Examples of the alkyl group represented by R 3 include groups similar to those represented by R 1 and R 4 , and these groups may have a substituent as described above. Examples of the aryl group represented by R 3 include a phenyl group, a tolyl group, a nitrophenyl group, a chlorophenyl group, a bromophenyl group, a methoxyphenyl group and a naphthyl group.

【0017】また、R5 が表すアルキレン基としては、
炭素数3〜5のアルキレン基が好ましく、例えばトリメ
チレン基、テトラメチレン基、ペンタメチレン基、2−
メチル−1,3−プロパンジイル基等が挙げられる。R
5 が表すo−フェニレンアルキレン基としては、例えば
o−キシレン−α,α´−ジイル基、o−フェニレンメ
チレン基、o−フェニレンエチレン基等が挙げられる。
The alkylene group represented by R 5 is
An alkylene group having 3 to 5 carbon atoms is preferable, for example, a trimethylene group, a tetramethylene group, a pentamethylene group, 2-
Methyl-1,3-propanediyl group and the like can be mentioned. R
Examples of the o-phenylenealkylene group represented by 5 include an o-xylene-α, α′-diyl group, an o-phenylenemethylene group, and an o-phenyleneethylene group.

【0018】本発明の製造方法を詳細に説明する。イミ
ノ化合物(I)とアセチレン化合物(II)の反応におい
て、アセチレン化合物(II)の使用量はイミノ化合物
(I)に対して0.8〜1.2当量が好ましい。
The manufacturing method of the present invention will be described in detail. In the reaction of the imino compound (I) and the acetylene compound (II), the amount of the acetylene compound (II) used is preferably 0.8 to 1.2 equivalents relative to the imino compound (I).

【0019】イミノ化合物(I)とアセチレン化合物
(II)の反応および化合物(III)の環化反応に使用され
るルイス酸触媒としては、ホウ素、アルミニウム、ラン
タノイド等の塩等が挙げられ、中でもランタノイド触媒
が好ましい。ランタノイドとしては、イッテルビウム、
スカンジウム、ルテチウム、ツリウム、エルビウム、ホ
ルミウム、ジスプロシウム、テルビウム、ガドリニウ
ム、イットリウム等が挙げられ、これらのランタノイド
はトリフルオロメタンスルホン酸塩、硫酸塩、塩化物、
フッ化物等として用いられる。中でもイッテルビウムト
リフラート、スカンジウムトリフラートが特に好まし
い。ルイス酸触媒の使用量はイミノ化合物(I)1モル
または化合物(III)1モルに対して0.001〜1モル
の範囲が好ましく、0.05〜0.2モルの範囲がより
好ましい。
Examples of the Lewis acid catalyst used in the reaction of the imino compound (I) with the acetylene compound (II) and the cyclization reaction of the compound (III) include salts of boron, aluminum, lanthanoids and the like, and among them, lanthanoids. Catalysts are preferred. As lanthanoids, ytterbium,
Scandium, lutetium, thulium, erbium, holmium, dysprosium, terbium, gadolinium, yttrium and the like, these lanthanoids, trifluoromethanesulfonate, sulfate, chloride,
Used as a fluoride. Among them, ytterbium triflate and scandium triflate are particularly preferable. The amount of the Lewis acid catalyst used is preferably 0.001 to 1 mol, and more preferably 0.05 to 0.2 mol, based on 1 mol of the imino compound (I) or compound (III).

【0020】上記の両反応は溶媒中で行うのが好まし
く、使用される溶媒としては、例えばヘキサン、オクタ
ン、デカリン、ベンゼン、トルエン、キシレン、クメ
ン、メシチレン、シメン、テトラリン、クロロベンゼ
ン、ジクロロベンゼン、ブロモベンゼン等の置換されて
いてもよい炭化水素;ジエチルエーテル、ジイソプロピ
ルエ−テル、テトラヒドロフラン、ジオキサン、ジメト
キシエタン、ジグライム、トリグライム、テトラグライ
ム等のエーテル;塩化メチレン、クロロホルム、ジクロ
ロエタン等のハロゲン化炭化水素;アセトニトリル、プ
ロピオニトリル等の含窒素溶媒等が挙げられ、その使用
量はイミノ化合物(I)または化合物(III)に対して
0.5〜100重量倍が好ましく、1〜10重量倍がよ
り好ましい。
Both of the above reactions are preferably carried out in a solvent, and examples of the solvent used include hexane, octane, decalin, benzene, toluene, xylene, cumene, mesitylene, cymene, tetralin, chlorobenzene, dichlorobenzene and bromo. Optionally substituted hydrocarbons such as benzene; ethers such as diethyl ether, diisopropyl ether, tetrahydrofuran, dioxane, dimethoxyethane, diglyme, triglyme, tetraglyme; halogenated hydrocarbons such as methylene chloride, chloroform and dichloroethane; Nitrogen-containing solvents such as acetonitrile and propionitrile are included, and the amount thereof is preferably 0.5 to 100 times by weight, more preferably 1 to 10 times by weight, with respect to the imino compound (I) or compound (III). .

【0021】反応温度は−10〜100℃好ましくは0
〜80℃であり、反応時間は温度にもよるが10分間な
いし20時間である。
The reaction temperature is -10 to 100 ° C., preferably 0.
The reaction time is 10 minutes to 20 hours depending on the temperature.

【0022】反応後の単離精製は通常の方法により行う
ことができる。例えば、反応混合物を水にあけ、分液ま
たは有機溶媒で抽出する。抽出液を濃縮して粗生成物を
得、該粗生成物を必要に応じて蒸留、再結晶、クロマト
グラフィー等により精製し、不飽和チオイミデート(I
V)を得る。
Isolation and purification after the reaction can be carried out by a usual method. For example, the reaction mixture is poured into water and separated or extracted with an organic solvent. The extract is concentrated to obtain a crude product, which is optionally purified by distillation, recrystallization, chromatography, etc. to obtain unsaturated thioimidate (I
V) get.

【0023】原料となるイミノ化合物(I)は、例えば
アルデヒドまたはアセタールと対応するアミンとの反応
により調製することができる。かかる反応をランタノイ
ド触媒を用いて行った場合には、得られるイミノ化合物
(I)を単離することなくアセチレン化合物(II)と同
時または逐次的に反応させて本発明を実施することもで
きる。また、化合物(III)は、例えば対応するアセター
ル化合物と対応するアミンとをランタノイド触媒存在下
に反応させて得ることができ、ここで用いるアセタール
化合物はアセタール部分を有する残基とアセチレン部分
を有する残基とを従来知られている適当な方法で結合さ
せることにより調製することができる。
The starting imino compound (I) can be prepared, for example, by reacting an aldehyde or acetal with a corresponding amine. When such a reaction is carried out using a lanthanoid catalyst, the present invention can be carried out by reacting the resulting imino compound (I) with the acetylene compound (II) simultaneously or sequentially without isolation. Further, the compound (III) can be obtained, for example, by reacting a corresponding acetal compound and a corresponding amine in the presence of a lanthanoid catalyst, and the acetal compound used here has a residue having an acetal moiety and a residue having an acetylene moiety. It can be prepared by combining the group with a suitable method known in the art.

【0024】[0024]

【実施例】以下、実施例および比較例により本発明を具
体的に説明するが、本発明はこれらの実施例により何ら
限定されるものではない。
EXAMPLES The present invention will be specifically described below with reference to examples and comparative examples, but the present invention is not limited to these examples.

【0025】実施例1 スカンジウムトリフラート0.1mmolをアセトニト
リル1mlに懸濁し、該懸濁液にN−ベンジリデン p
−トルエンスルホンアミド0.5mmolのアセトニト
リル1mlの溶液および1−メチルチオ−1−プロピン
0.75mmolのアセトニトリル0.5mlの溶液を
室温で滴下し、室温で15時間撹拌した。得られた反応
液に水を加え、酢酸エチルで抽出した。有機層を乾燥後
濃縮し、残渣をシリカゲルカラムクロマトグラフィで精
製することにより、N−トシル−S−メチル−3−フェ
ニル−2−メチル−2−プロペンチオイミデートを得た
(収率95%)。
Example 1 0.1 mmol of scandium triflate was suspended in 1 ml of acetonitrile, and N-benzylidene p was added to the suspension.
A solution of 0.5 mmol of toluenesulfonamide in 1 ml of acetonitrile and a solution of 0.75 mmol of 1-methylthio-1-propyne in 0.5 ml of acetonitrile were added dropwise at room temperature, and the mixture was stirred at room temperature for 15 hours. Water was added to the obtained reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was dried and then concentrated, and the residue was purified by silica gel column chromatography to obtain N-tosyl-S-methyl-3-phenyl-2-methyl-2-propenethioimidate (yield 95%). .

【0026】1H−NMRスペクトル δ:2.25(d,3H,J
=0.99Hz), 2.34(d,3H,J=0.66Hz), 2.40(s,3H), 6.67(d,
1H,J=0.99Hz), 7.29(d,2H,J=7.9Hz), 7.21-7.38(m,5H),
7.85(d,2H)13 C−NMRスペクトル δ:189.0, 143.4, 138.8, 1
35.2, 135.1, 132.5, 129.4, 129.3, 128.4, 128.0,12
7.1, 21.5, 18.1, 15.3 質量スペクトル: M+ 347 IRスペクトル(KBr) cm-1: 1535, 1306, 1149
1 H-NMR spectrum δ: 2.25 (d, 3H, J
= 0.99Hz), 2.34 (d, 3H, J = 0.66Hz), 2.40 (s, 3H), 6.67 (d,
1H, J = 0.99Hz), 7.29 (d, 2H, J = 7.9Hz), 7.21-7.38 (m, 5H),
7.85 (d, 2H) 13 C-NMR spectrum δ: 189.0, 143.4, 138.8, 1
35.2, 135.1, 132.5, 129.4, 129.3, 128.4, 128.0,12
7.1, 21.5, 18.1, 15.3 Mass spectrum: M + 347 IR spectrum (KBr) cm −1 : 1535, 1306, 1149

【0027】実施例2 実施例1においてN−ベンジリデン p−トルエンスル
ホンアミドの代わりにN−ベンジリデンベンジルアミン
を用いた以外は実施例1と同様に反応および分離精製す
ることにより、N−ベンジル−S−メチル−3−フェニ
ル−2−メチル−2−プロペンチオイミデートを得た
(収率40%)。
Example 2 N-benzyl-S was obtained by the same reaction, separation and purification as in Example 1 except that N-benzylidenebenzylamine was used in place of N-benzylidene p-toluenesulfonamide. -Methyl-3-phenyl-2-methyl-2-propenethioimidate was obtained (yield 40%).

【0028】1H−NMRスペクトル δ:2.07(d,1.5
H,J=0.99Hz), 2.18(d,1.5H,J=0.99Hz), 2.40(s,1.5H),
2.41(s,1.5H), 4.69(s,1H), 4.74(s,1H), 6.50(s,0.5
H), 6.80(s,0.5H), 7.23-7.41(m,10H) IRスペクトル(neat) cm-1: 1606
1 H-NMR spectrum δ: 2.07 (d, 1.5
H, J = 0.99Hz), 2.18 (d, 1.5H, J = 0.99Hz), 2.40 (s, 1.5H),
2.41 (s, 1.5H), 4.69 (s, 1H), 4.74 (s, 1H), 6.50 (s, 0.5
H), 6.80 (s, 0.5H), 7.23-7.41 (m, 10H) IR spectrum (neat) cm -1 : 1606

【0029】実施例3 実施例1においてN−ベンジリデン p−トルエンスル
ホンアミドの代わりにN−p−メトキシベンジリデン
p−トルエンスルホンアミドを用いた以外は実施例1と
同様に反応および分離精製することにより、N−トシル
−S−メチル−3−p−メトキシフェニル−2−メチル
−2−プロペンチオイミデートを得た(収率75%)。
Example 3 N-benzylidene N-p-methoxybenzylidene was used in place of p-toluenesulfonamide in Example 1.
N-tosyl-S-methyl-3-p-methoxyphenyl-2-methyl-2-propenethioimidate was obtained by reacting and separating and purifying in the same manner as in Example 1 except that p-toluenesulfonamide was used. Obtained (yield 75%).

【0030】H−NMRスペクトル δ:2.27(d,3H,
J=1.32Hz), 2.34(s,3H), 2.44(s,3H), 3.87(s,3H), 6.6
7(s,1H), 6.91(d,2H,J=8.9Hz), 7.27(d,2H,J=8.3Hz),
7.32(d,2H,J=8.9Hz), 7.83(d,2H,J=8.2Hz)13 C−NMRスペクトル δ:189.3, 159.4, 143.3, 1
33.1, 132.6, 131.0, 129.3, 127.9, 127.1, 113.8,55.
3, 21.5, 18.2, 15.4 IRスペクトル(KBr) cm-1: 1539, 1308, 125
2, 1153
1 H-NMR spectrum δ: 2.27 (d, 3H,
J = 1.32Hz), 2.34 (s, 3H), 2.44 (s, 3H), 3.87 (s, 3H), 6.6
7 (s, 1H), 6.91 (d, 2H, J = 8.9Hz), 7.27 (d, 2H, J = 8.3Hz),
7.32 (d, 2H, J = 8.9Hz), 7.83 (d, 2H, J = 8.2Hz) 13 C-NMR spectrum δ: 189.3, 159.4, 143.3, 1
33.1, 132.6, 131.0, 129.3, 127.9, 127.1, 113.8, 55.
3, 21.5, 18.2, 15.4 IR spectrum (KBr) cm −1 : 1539, 1308, 125
2, 1153

【0031】実施例4 実施例1においてN−ベンジリデン p−トルエンスル
ホンアミドの代わりにN−p−クロロベンジリデン p
−トルエンスルホンアミドを用い、溶媒としてアセトニ
トリルの代わりに塩化メチレンを用いた以外は実施例1
と同様に反応および分離精製することにより、N−トシ
ル−S−メチル−3−p−クロロフェニル−2−メチル
−2−プロペンチオイミデートを得た(収率80%)。
Example 4 Instead of N-benzylidene p-toluenesulfonamide in Example 1, Np-chlorobenzylidene p
Example 1 except that toluenesulfonamide was used and methylene chloride was used as the solvent instead of acetonitrile.
By similar reaction and separation and purification in the same manner as above, N-tosyl-S-methyl-3-p-chlorophenyl-2-methyl-2-propenethioimidate was obtained (yield 80%).

【0032】1H−NMRスペクトル δ:2.22(d,3H,J
=0.99Hz), 2.34(s,3H), 2.40(s,3H), 6.62(s,1H), 7.30
(m,6H), 7.81(d,2H,J=8.2Hz)13 C−NMRスペクトル δ:188.5, 143.4, 138.7, 1
35.8, 133.8, 133.7, 131.1, 130.6, 129.4, 128.6,12
7.1, 21.5, 18.0, 15.2 IRスペクトル(KBr) cm-1: 1539, 1309, 115
1, 1090
1 H-NMR spectrum δ: 2.22 (d, 3H, J
= 0.99Hz), 2.34 (s, 3H), 2.40 (s, 3H), 6.62 (s, 1H), 7.30
(m, 6H), 7.81 (d, 2H, J = 8.2Hz) 13 C-NMR spectrum δ: 188.5, 143.4, 138.7, 1
35.8, 133.8, 133.7, 131.1, 130.6, 129.4, 128.6,12
7.1, 21.5, 18.0, 15.2 IR spectrum (KBr) cm −1 : 1539, 1309, 115
1, 1090

【0033】実施例5 実施例1においてN−ベンジリデン p−トルエンスル
ホンアミドの代わりにN−フルフリリデン p−トルエ
ンスルホンアミドを用いた以外は実施例1と同様に反応
および分離精製することにより、N−トシル−S−メチ
ル−3−(2−フリル)−2−メチル−2−プロペンチ
オイミデートを得た(収率70%)。
Example 5 N-benzylidene p-toluenesulfonamide was replaced with N-furfurylidene p-toluenesulfonamide in the same manner as in Example 1 except that N-furfurilidene p-toluenesulfonamide was used. Tosyl-S-methyl-3- (2-furyl) -2-methyl-2-propenethioimidate was obtained (yield 70%).

【0034】1H−NMRスペクトル δ:2.31(s,3H),
2.36(d,3H,J=0.98Hz), 2.41(s,3H), 6.46(m,1H), 6.47
(d,1H,J=2.0Hz), 6.51(s,1H), 7.27(d,2H,J=7.9Hz), 7.
48(d,1H,J=2.0Hz), 7.83(d,2H,J=8.2Hz)13 C−NMRスペクトル δ:188.0, 151.1, 143.5, 1
43.2, 132.1, 129.3, 128.3, 127.0, 121.4, 113.5,11
1.8, 21.5, 18.8, 15.5 IRスペクトル(KBr) cm-1: 3030, 1535, 130
7, 1155
1 H-NMR spectrum δ: 2.31 (s, 3H),
2.36 (d, 3H, J = 0.98Hz), 2.41 (s, 3H), 6.46 (m, 1H), 6.47
(d, 1H, J = 2.0Hz), 6.51 (s, 1H), 7.27 (d, 2H, J = 7.9Hz), 7.
48 (d, 1H, J = 2.0Hz), 7.83 (d, 2H, J = 8.2Hz) 13 C-NMR spectrum δ: 188.0, 151.1, 143.5, 1
43.2, 132.1, 129.3, 128.3, 127.0, 121.4, 113.5, 11
1.8, 21.5, 18.8, 15.5 IR spectrum (KBr) cm -1 : 3030, 1535, 130
7, 1155

【0035】実施例6 スカンジウムトリフラート0.1mmolをアセトニト
リル1mlに懸濁し、該懸濁液に1−フェニル−3,3
−ジメトキシ−1−プロピン0.5mmolとp−トル
エンスルホンアミド0.5mmolのアセトニトリル1
mlの溶液を加え2時間加熱還流した。その後、1−メ
チルチオ−1−プロピン0.75mmolのアセトニト
リル0.5mlの溶液を室温で滴下し、室温で15時間
撹拌した。得られた反応液に水を加え、酢酸エチルで抽
出した。有機層を乾燥後濃縮し、残渣をシリカゲルカラ
ムクロマトグラフィで精製することにより、N−トシル
−S−メチル−3−(フェニルエチニル)−2−メチル
−2−プロペンチオイミデートを得た(収率65%)。
Example 6 0.1 mmol of scandium triflate was suspended in 1 ml of acetonitrile, and 1-phenyl-3,3 was added to the suspension.
-Dimethoxy-1-propyne 0.5 mmol and p-toluenesulfonamide 0.5 mmol acetonitrile 1
A solution of ml was added and the mixture was heated under reflux for 2 hours. Then, a solution of 0.75 mmol of 1-methylthio-1-propyne in 0.5 ml of acetonitrile was added dropwise at room temperature, and the mixture was stirred at room temperature for 15 hours. Water was added to the obtained reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was dried and then concentrated, and the residue was purified by silica gel column chromatography to obtain N-tosyl-S-methyl-3- (phenylethynyl) -2-methyl-2-propenethioimidate (yield 65%).

【0036】1H−NMRスペクトルδ:2.32(s,3H),
2.34(d,3H,J=1.4Hz), 2.42(s,3H), 6.04(d,1H,J=1.3H
z), 7.34(m,5H), 7.47(m,2H), 7.85(d,2H,J=8.3Hz)13 C−NMRスペクトル δ:186.3, 145.5, 143.5, 1
31.6, 129.4, 128.9, 128.4, 128.3, 127.2, 122.7,11
4.2, 99.4, 84.9, 21.6, 19.4, 15.4 IRスペクトル(KBr) cm-1: 1535, 1307, 1155
1 H-NMR spectrum δ: 2.32 (s, 3H),
2.34 (d, 3H, J = 1.4Hz), 2.42 (s, 3H), 6.04 (d, 1H, J = 1.3H
z), 7.34 (m, 5H), 7.47 (m, 2H), 7.85 (d, 2H, J = 8.3Hz) 13 C-NMR spectrum δ: 186.3, 145.5, 143.5, 1
31.6, 129.4, 128.9, 128.4, 128.3, 127.2, 122.7,11
4.2, 99.4, 84.9, 21.6, 19.4, 15.4 IR spectrum (KBr) cm -1 : 1535, 1307, 1155

【0037】実施例7 三フッ化ホウ素エーテル錯体0.1mmolを塩化メチ
レン1mlに溶解し、N−シクロヘキシルメチリデン
p−トルエンスルホンアミド0.5mmolの塩化メチ
レン1mlの溶液と1−メチルチオ−1−プロピン0.
75mmolの塩化メチレン0.5mlの溶液を室温で
滴下し、室温で15時間撹拌した。得られた反応液に水
を加え、酢酸エチルで抽出した。有機層を乾燥後濃縮
し、残渣をシリカゲルカラムクロマトグラフィで精製す
ることにより、N−トシル−S−メチル−3−シクロヘ
キシル−2−メチル−2−プロペンチオイミデートを得
た(収率80%)。
Example 7 0.1 mmol of boron trifluoride ether complex was dissolved in 1 ml of methylene chloride to prepare N-cyclohexylmethylidene.
A solution of 0.5 mmol of p-toluenesulfonamide in 1 ml of methylene chloride and 1-methylthio-1-propyne.
A solution of 75 mmol of methylene chloride in 0.5 ml was added dropwise at room temperature, and the mixture was stirred at room temperature for 15 hours. Water was added to the obtained reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was dried and then concentrated, and the residue was purified by silica gel column chromatography to obtain N-tosyl-S-methyl-3-cyclohexyl-2-methyl-2-propenethioimidate (yield 80%). .

【0038】1H−NMRスペクトル δ:1.10-1.32
(m,5H), 1.55-1.73(m,5H), 2.01(d,3H,J=1.3Hz), 2.25
(d,3H,J=1.7Hz), 2.28-2.35(m,1H), 2.41(s,3H), 5.63
(d,1H,J=9.2Hz), 7.28(d,2H,J=6.3Hz),7.82(d,2H,J=8.2
Hz)13 C−NMRスペクトル δ:189.4, 143.1, 140.8, 1
39.2, 131.9, 129.3, 127.0, 37.2, 31.9, 25.9, 25.6,
21.5, 16.2, 15.3 IRスペクトル(KBr) cm-1: 2922, 2850, 153
5, 1309, 1151
1 H-NMR spectrum δ: 1.10-1.32
(m, 5H), 1.55-1.73 (m, 5H), 2.01 (d, 3H, J = 1.3Hz), 2.25
(d, 3H, J = 1.7Hz), 2.28-2.35 (m, 1H), 2.41 (s, 3H), 5.63
(d, 1H, J = 9.2Hz), 7.28 (d, 2H, J = 6.3Hz), 7.82 (d, 2H, J = 8.2
Hz) 13 C-NMR spectrum δ: 189.4, 143.1, 140.8, 1
39.2, 131.9, 129.3, 127.0, 37.2, 31.9, 25.9, 25.6,
21.5, 16.2, 15.3 IR spectrum (KBr) cm −1 : 2922, 2850, 153
5, 1309, 1151

【0039】実施例8 実施例6において1−フェニル−3,3−ジメトキシ−
1−プロピンの代わりに3−フェニル−1,1−ジメト
キシプロパンを用い、スカンジウムトリフラートを0.
1mmolの代わりに0.05mmol用いた以外は実
施例6と同様に反応および分離精製することにより、N
−トシル−S−メチル−3−(2−フェニルエチル)−
2−メチル−2−プロペンチオイミデートを得た(収率
62%)。
Example 8 In Example 6, 1-phenyl-3,3-dimethoxy-
3-phenyl-1,1-dimethoxypropane was used in place of 1-propyne, and scandium triflate was adjusted to 0.
By reacting and separating and purifying in the same manner as in Example 6 except that 0.05 mmol was used instead of 1 mmol, N
-Tosyl-S-methyl-3- (2-phenylethyl)-
2-Methyl-2-propenethioimidate was obtained (yield 62%).

【0040】1H−NMRスペクトル δ:1.93(s,3H),
2.23(s,3H), 2.40(s,3H), 2.44(t,2H,J=7.3Hz), 2.74
(t,2H,J=7.3Hz), 5.81(dt,1H,J=7.3,1.3Hz), 7.16-7.32
(m,7H), 7.76(d,2H,J=8.3Hz)13 C−NMRスペクトル δ:188.9, 143.1, 141.0, 1
38.9, 134.3, 134.2, 129.2, 128.4, 128.3, 126.9,12
5.9, 34.5, 29.8, 21.4, 16.1, 15.2 IRスペクトル(KBr) cm-1: 1545, 1311, 1157
1 H-NMR spectrum δ: 1.93 (s, 3H),
2.23 (s, 3H), 2.40 (s, 3H), 2.44 (t, 2H, J = 7.3Hz), 2.74
(t, 2H, J = 7.3Hz), 5.81 (dt, 1H, J = 7.3,1.3Hz), 7.16-7.32
(m, 7H), 7.76 (d, 2H, J = 8.3Hz) 13 C-NMR spectrum δ: 188.9, 143.1, 141.0, 1
38.9, 134.3, 134.2, 129.2, 128.4, 128.3, 126.9,12
5.9, 34.5, 29.8, 21.4, 16.1, 15.2 IR spectrum (KBr) cm −1 : 1545, 1311, 1157

【0041】実施例9 実施例1において1−メチルチオ−1−プロピンの代わ
りに1−メチルチオ−1−ヘキシンを用い、溶媒として
アセトニトリルの代わりに塩化メチレンを用いた以外は
実施例1と同様に反応および分離精製することにより、
N−トシル−S−メチル−3−フェニル−2−ブチル−
2−プロペンチオイミデートを得た(収率90%)。
Example 9 Reaction was conducted in the same manner as in Example 1 except that 1-methylthio-1-hexyne was used in place of 1-methylthio-1-propyne and methylene chloride was used in place of acetonitrile as a solvent. And by separating and purifying,
N-tosyl-S-methyl-3-phenyl-2-butyl-
2-Propentioimidate was obtained (yield 90%).

【0042】1H−NMRスペクトル δ:1.93(s,3H),
2.23(s,3H), 2.40(s,3H), 2.44(t,2H,J=7.3Hz), 2.74
(t,2H,J=7.3Hz), 5.81(dt,1H,J=7.3,1.3Hz), 7.16-7.32
(m,7H), 7.76(d,2H,J=8.3Hz)13 C−NMRスペクトル δ:188.9, 143.1, 141.0, 1
38.9, 134.3, 134.2, 129.2, 128.4, 128.3, 126.9,12
5.9, 34.5, 29.8, 21.4, 16.1, 15.2 IRスペクトル(KBr) cm-1: 1545, 13
11, 1157
1 H-NMR spectrum δ: 1.93 (s, 3H),
2.23 (s, 3H), 2.40 (s, 3H), 2.44 (t, 2H, J = 7.3Hz), 2.74
(t, 2H, J = 7.3Hz), 5.81 (dt, 1H, J = 7.3,1.3Hz), 7.16-7.32
(m, 7H), 7.76 (d, 2H, J = 8.3Hz) 13 C-NMR spectrum δ: 188.9, 143.1, 141.0, 1
38.9, 134.3, 134.2, 129.2, 128.4, 128.3, 126.9,12
5.9, 34.5, 29.8, 21.4, 16.1, 15.2 IR spectrum (KBr) cm −1 : 1545, 13
11, 1157

【0043】実施例10 イッテルビウムトリフラート0.1mmolをアセトニ
トリル1mlに懸濁し、該懸濁液に3−フェニル−1,
1−ジメトキシプロパン0.5mmolとp−トルエン
スルホンアミド0.5mmolのアセトニトリル1ml
の溶液を加え2時間加熱還流した。その後、ブチルチオ
アセチレン0.75mmolのアセトニトリル0.5m
lの溶液を室温で滴下し、室温で15時間撹拌した。得
られた反応液に水を加え、酢酸エチルで抽出した。有機
層を乾燥後濃縮し、残渣をシリカゲルカラムクロマトグ
ラフィで精製することにより、N−トシル−S−ブチル
−3−(フェニルエチル)−2−プロペンチオイミデー
トを得た(収率8%)。
Example 10 0.1 mmol of ytterbium triflate was suspended in 1 ml of acetonitrile, and 3-phenyl-1,
1 ml of acetonitrile containing 0.5 mmol of 1-dimethoxypropane and 0.5 mmol of p-toluenesulfonamide.
Was added and the mixture was heated under reflux for 2 hours. Then, butyl thioacetylene 0.75 mmol acetonitrile 0.5 m
The solution of 1 was added dropwise at room temperature, and the mixture was stirred at room temperature for 15 hours. Water was added to the obtained reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was dried and then concentrated, and the residue was purified by silica gel column chromatography to obtain N-tosyl-S-butyl-3- (phenylethyl) -2-propenethioimidate (yield 8%).

【0044】H−NMRスペクトル δ:0.82(t,3H,
J=7.3Hz), 1.28(m,2H), 1.50(m,2H), 2.43(s,3H), 2.58
(m,2H), 2.83(m,4H), 6.81(dt,1H,J=6.8,15.8Hz), 7.15
-7.34(m,7H), 7.83(d,2H,J=8.6Hz)13 C−NMRスペクトル δ:181.2, 146.3, 143.2, 1
40.5, 139.0, 129.3, 128.6, 128.4, 126.9, 126.3,12
6.1, 34.8, 34.4, 30.9, 30.2, 22.0, 21.6, 13.5 IRスペクトル(KBr) cm-1: 1633, 1529, 131
3, 1153, 1090
1 H-NMR spectrum δ: 0.82 (t, 3H,
J = 7.3Hz), 1.28 (m, 2H), 1.50 (m, 2H), 2.43 (s, 3H), 2.58
(m, 2H), 2.83 (m, 4H), 6.81 (dt, 1H, J = 6.8,15.8Hz), 7.15
-7.34 (m, 7H), 7.83 (d, 2H, J = 8.6Hz) 13 C-NMR spectrum δ: 181.2, 146.3, 143.2, 1
40.5, 139.0, 129.3, 128.6, 128.4, 126.9, 126.3,12
6.1, 34.8, 34.4, 30.9, 30.2, 22.0, 21.6, 13.5 IR spectrum (KBr) cm -1 : 1633, 1529, 131
3, 1153, 1090

【0045】実施例11 イッテルビウムトリフラート0.1mmolをベンゼン
1mlに懸濁し、1−メチルチオ−7,7−ジメトキシ
−1−ヘプチン0.5mmolとp−トルエンスルホン
アミド1.0mmolのベンゼン1.5mlの溶液を加
え5時間加熱還流した。得られた反応液に水を加え、酢
酸エチルで抽出した。有機層を乾燥後濃縮し、残渣をシ
リカゲルカラムクロマトグラフィで精製することによ
り、N−トシル−S−メチル−1−シクロヘキセンカル
ボチオイミデートを得た(収率46%)。
Example 11 Ytterbium triflate (0.1 mmol) was suspended in benzene (1 ml), and a solution of 1-methylthio-7,7-dimethoxy-1-heptine (0.5 mmol) and p-toluenesulfonamide (1.0 mmol) in benzene (1.5 ml). Was added and the mixture was heated under reflux for 5 hours. Water was added to the obtained reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was dried and concentrated, and the residue was purified by silica gel column chromatography to obtain N-tosyl-S-methyl-1-cyclohexenecarbothioimidate (yield 46%).

【0046】1H−NMRスペクトル δ:1.68(m,3H),
2.15(m,3H), 2.27(s,3H), 2.38(m,2H), 2.42(s,3H),
6.06(m,1H), 7.29(d,2H,J=8.6Hz), 7.83(d,2H,J=8.3Hz)13 C−NMRスペクトル δ:188.5, 143.1, 139.2, 1
36.7, 132.3, 129.3, 127.0, 27.9, 25.1, 22.0, 21.6,
21.1, 15.2 IRスペクトル(KBr) cm-1: 2933, 1313, 1153
1 H-NMR spectrum δ: 1.68 (m, 3H),
2.15 (m, 3H), 2.27 (s, 3H), 2.38 (m, 2H), 2.42 (s, 3H),
6.06 (m, 1H), 7.29 (d, 2H, J = 8.6Hz), 7.83 (d, 2H, J = 8.3Hz) 13 C-NMR spectrum δ: 188.5, 143.1, 139.2, 1
36.7, 132.3, 129.3, 127.0, 27.9, 25.1, 22.0, 21.6,
21.1, 15.2 IR spectrum (KBr) cm -1 : 2933, 1313, 1153

【0047】[0047]

【発明の効果】本発明によれば、簡便な工程で選択性よ
く不飽和チオイミデートを製造し得る、工業的に有利な
方法が提供される。
INDUSTRIAL APPLICABILITY The present invention provides an industrially advantageous method capable of producing unsaturated thioimidate with good selectivity in a simple process.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 一般式(I) 【化1】 (式中、R1 は置換基を有していてもよいアルキル基、
アルケニル基、アルキニル基、シクロアルキル基、アラ
ルキル基、アリール基または複素環基を表し、R2 は置
換基を有していてもよいアルキル基、アラルキル基、ア
リール基、アシル基、アルコキシカルボニル基または有
機スルホニル基を表す。)で示されるイミノ化合物と一
般式(II) 【化2】 (式中、R3 は置換基を有していてもよいアルキル基ま
たはアリール基を表し、R4 は水素原子、置換基を有し
ていてもよいアルキル基、シクロアルキル基、アラルキ
ル基、アリール基または複素環基を表す。)で示される
アセチレン化合物を、ルイス酸触媒の存在下に反応させ
るか、または一般式(III) 【化3】 (式中、R2 およびR3 は前記定義のとおりであり、R
5 はアルキレン基またはo−フェニレンアルキレン基を
表す。)で示される化合物を、ルイス酸触媒の存在下、
環化反応に付すことを特徴とする一般式(IV) 【化4】 (式中、R2 およびR3 は前記定義のとおりであり、R
6 はR1 を表し、かつR7 はR4 を表すか、またはR6
とR7 は一緒になってR5 を表し、ここで、R1、R4
およびR5 は前記定義のとおりである。)で示される不
飽和チオイミデートの製造方法。
1. A compound of the general formula (I) (In the formula, R 1 is an alkyl group which may have a substituent,
Represents an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, an aryl group or a heterocyclic group, and R 2 represents an alkyl group which may have a substituent, an aralkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or Represents an organic sulfonyl group. ) And an imino compound represented by the general formula (II): (In the formula, R 3 represents an alkyl group or an aryl group which may have a substituent, and R 4 represents a hydrogen atom, an alkyl group which may have a substituent, a cycloalkyl group, an aralkyl group or an aryl group. Group or a heterocyclic group) is reacted in the presence of a Lewis acid catalyst or represented by the general formula (III): (Wherein R 2 and R 3 are as defined above, and R 2
5 represents an alkylene group or an o-phenylene alkylene group. ) In the presence of a Lewis acid catalyst,
General formula (IV) characterized by being subjected to a cyclization reaction (Wherein R 2 and R 3 are as defined above, and R 2
6 represents R 1 and R 7 represents R 4 or R 6
And R 7 together represent R 5 , where R 1 , R 4
And R 5 is as defined above. The manufacturing method of unsaturated thioimidate shown by these.
【請求項2】 一般式(I) 【化5】 (式中、R1 は置換基を有していてもよいアルキル基、
アルケニル基、アルキニル基、シクロアルキル基、アラ
ルキル基、アリール基または複素環基を表し、R2 は置
換基を有していてもよいアルキル基、アラルキル基、ア
リール基、アシル基、アルコキシカルボニル基または有
機スルホニル基を表す。)で示されるイミノ化合物と一
般式(II) 【化6】 (式中、R3 は置換基を有していてもよいアルキル基ま
たはアリール基を表し、R4 は水素原子、置換基を有し
ていてもよいアルキル基、シクロアルキル基、アラルキ
ル基、アリール基または複素環基を表す。)で示される
アセチレン化合物を、ルイス酸触媒の存在下に反応させ
ることを特徴とする一般式(IV-1) 【化7】 (式中、R1 、R2 、R3 およびR4 は前記定義のとお
りである。)で示される不飽和チオイミデートの製造方
法。
2. A compound of the general formula (I) (In the formula, R 1 is an alkyl group which may have a substituent,
Represents an alkenyl group, an alkynyl group, a cycloalkyl group, an aralkyl group, an aryl group or a heterocyclic group, and R 2 represents an alkyl group which may have a substituent, an aralkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or Represents an organic sulfonyl group. ) And an imino compound represented by the general formula (II): (In the formula, R 3 represents an alkyl group or an aryl group which may have a substituent, and R 4 represents a hydrogen atom, an alkyl group which may have a substituent, a cycloalkyl group, an aralkyl group or an aryl group. A group or a heterocyclic group) is reacted in the presence of a Lewis acid catalyst to give a compound of the general formula (IV-1): (In the formula, R 1 , R 2 , R 3 and R 4 are as defined above.) A method for producing an unsaturated thioimidate.
【請求項3】 一般式(III) 【化8】 (式中、R2 は置換基を有していてもよいアルキル基、
アラルキル基、アリール基、アシル基、アルコキシカル
ボニル基または有機スルホニル基を表し、R3 は置換基
を有していてもよいアルキル基またはアリール基を表
し、R5 はアルキレン基またはo−フェニレンアルキレ
ン基を表す。)で示される化合物を、ルイス酸触媒の存
在下、環化反応に付すことを特徴とする一般式(IV-2) 【化9】 (式中、R2 、R3 およびR5 は前記定義のとおりであ
る。)で示される不飽和チオイミデートの製造方法。
3. A compound represented by the general formula (III): (In the formula, R 2 is an alkyl group which may have a substituent,
Represents an aralkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or an organic sulfonyl group, R 3 represents an alkyl group or an aryl group which may have a substituent, and R 5 represents an alkylene group or an o-phenylenealkylene group. Represents ) Is subjected to a cyclization reaction in the presence of a Lewis acid catalyst, a compound of the general formula (IV-2): (In the formula, R 2 , R 3 and R 5 are as defined above.) A method for producing an unsaturated thioimidate.
JP974696A 1996-01-24 1996-01-24 Production of unsaturated thioimidate Pending JPH09202766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP974696A JPH09202766A (en) 1996-01-24 1996-01-24 Production of unsaturated thioimidate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP974696A JPH09202766A (en) 1996-01-24 1996-01-24 Production of unsaturated thioimidate

Publications (1)

Publication Number Publication Date
JPH09202766A true JPH09202766A (en) 1997-08-05

Family

ID=11728881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP974696A Pending JPH09202766A (en) 1996-01-24 1996-01-24 Production of unsaturated thioimidate

Country Status (1)

Country Link
JP (1) JPH09202766A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008149962A1 (en) * 2007-05-30 2008-12-11 Sumitomo Chemical Company, Limited Thioimidate compound and use thereof for controlling pests
WO2009064031A1 (en) * 2007-11-16 2009-05-22 Sumitomo Chemical Company, Limited Alpha, beta-unsaturated imidate compound and pesticidal composition containing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008149962A1 (en) * 2007-05-30 2008-12-11 Sumitomo Chemical Company, Limited Thioimidate compound and use thereof for controlling pests
JP2009007343A (en) * 2007-05-30 2009-01-15 Sumitomo Chemical Co Ltd Thioimidate compound and application thereof for controlling noxious organism
WO2009064031A1 (en) * 2007-11-16 2009-05-22 Sumitomo Chemical Company, Limited Alpha, beta-unsaturated imidate compound and pesticidal composition containing the same
CN101918387A (en) * 2007-11-16 2010-12-15 住友化学株式会社 Alpha, beta-unsaturated imidate compound and pesticidal composition containing the same
US8278473B2 (en) 2007-11-16 2012-10-02 Sumitomo Chemical Company, Limited Alpha, beta-unsaturated imidate compound and pesticidal composition containing the same

Similar Documents

Publication Publication Date Title
Kraus et al. Synthesis of a precursor to quassimarin
US4172204A (en) Method for preparing 4,5-dihydro-2-alkoxycarbonylamino-5-carbocyclic aryl imidazoles and intermediates thereof
KR920002295B1 (en) Process for the preparation of pyrrolidone derivatives
Jeong et al. Novel synthesis of 4-oxo-1-isoquinolone derivatives utilizing inter-and intramolecular tandem carbopalladation-heterocyclic ring expansion
MX2008000469A (en) New pyrocatechin derivatives.
JPH09202766A (en) Production of unsaturated thioimidate
JP3563643B2 (en) Imidazoline compounds, intermediates thereof, and methods for producing them, and methods for producing azepine compounds and salts thereof
Seki et al. Synthesis of amino acids and related compounds. 42. A novel transformation of imidazolines into 2, 4, 6-trisubstituted pyrimidine derivatives
WO2012062109A1 (en) Methods for preparation of pharmaceutical intermediates of aliskiren
GB1594450A (en) 1,3-oxathiolane sulphoxides and their use in the preparation of 5,6-dihydro-2-methyl-1,4-oxathiin derivatives
WO1989006230A1 (en) Cyano-dienes, halopyridines, intermediates and a process for their preparation
HU195773B (en) Process for preparing alkyl esters of 4-alkoxy-3-pyrrolin-2-on-1-yl-acetic acid
JP2005501056A (en) Process for producing 5-substituted isobenzofurans
US7692033B2 (en) Process for producing 2-benzoyloxyacetaldehyde derivative
US4443621A (en) p-Nitrophenyl 3-bromo-2,2-diethoxy-propionate and synthetic utility therefor
JP5068642B2 (en) Synthesis of pyrrole-2-carbonitrile
Marcelis et al. Ring transformations of heterocycles with nucleophiles. 32. Cycloadditions of 5-nitropyrimidines with ynamines. Synthesis and crystal structure of a 2, 2a-dihydroazeto [2, 3-d]-3, 5-diazocine, a novel heterocycle
持田顕一 et al. Synthetic studies on 1-carbacephem antibiotics: New synthetic approach to 3H-carbacephems.
JP3252484B2 (en) Method for producing 4,5-dihydro [1,2,4] triazolo [4,3-a] quinoxaline derivative
IE47793B1 (en) 1-hydrocarbylpyrrole derivatives
EP0574952A1 (en) Process for preparing 2-oxopyrrolidinylacetamide derivatives
KR19990037351A (en) Method for preparing pyridine derivative
JP4509327B2 (en) Process for producing N, N-disubstituted-4-aminocrotonic acid ester
EP2462144B1 (en) PROCESS FOR PREPARING A 2-ALKYNYL SUBSTITUTED 5-AMINO-PYRAZOLO-[4,3-e]-1,2,4-TRIAZOLO[1,5-c]PYRIMIDINE
US20020019532A1 (en) Process for the synthesis of (2S)-phenyl-3-piperidone

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Effective date: 20050628

Free format text: JAPANESE INTERMEDIATE CODE: A131

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20051220