KR940014343A - Method for preparing 4-ethoxycarbonyl-1-methyl-5-pyrazolemercaptan - Google Patents

Method for preparing 4-ethoxycarbonyl-1-methyl-5-pyrazolemercaptan Download PDF

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Publication number
KR940014343A
KR940014343A KR1019920024736A KR920024736A KR940014343A KR 940014343 A KR940014343 A KR 940014343A KR 1019920024736 A KR1019920024736 A KR 1019920024736A KR 920024736 A KR920024736 A KR 920024736A KR 940014343 A KR940014343 A KR 940014343A
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KR
South Korea
Prior art keywords
formula
group
methyl
pyrazolemercaptan
ethoxycarbonyl
Prior art date
Application number
KR1019920024736A
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Korean (ko)
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KR950013853B1 (en
Inventor
이재철
정인배
최종권
최성종
Original Assignee
최근선
주식회사 럭 키
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.)
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Publication date
Application filed by 최근선, 주식회사 럭 키 filed Critical 최근선
Priority to KR1019920024736A priority Critical patent/KR950013853B1/en
Priority to AT93120124T priority patent/ATE139767T1/en
Priority to ES93120124T priority patent/ES2088625T3/en
Priority to EP93120124A priority patent/EP0602589B1/en
Priority to DK93120124.8T priority patent/DK0602589T3/en
Priority to DE69303352T priority patent/DE69303352T2/en
Priority to US08/166,864 priority patent/US5405965A/en
Priority to BR9305092A priority patent/BR9305092A/en
Priority to JP5316384A priority patent/JP2580477B2/en
Publication of KR940014343A publication Critical patent/KR940014343A/en
Priority to US08/341,893 priority patent/US5416220A/en
Priority to US08/386,825 priority patent/US5468896A/en
Priority to US08/386,867 priority patent/US5466854A/en
Application granted granted Critical
Publication of KR950013853B1 publication Critical patent/KR950013853B1/en
Priority to JP8179244A priority patent/JP2648297B2/en
Priority to GR960402113T priority patent/GR3020747T3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

본 발명은 하기 일반식(Ⅲ)의 디에틸 에톡시메틸렌 말로네이트를 염기의 존재하에서 하기 일반식(Ⅱ)의 -2-메틸디리오카르바제이트 유도체와 반응시킴을 특징으로하여 하기 일반식(Ⅰ)로 표시되는 4-에톡시카보닐-1-메틸-5-피라졸머캅탄을 제조하는 방법에 관한 것이다.The present invention is characterized by reacting diethyl ethoxymethylene malonate of the following general formula (III) with a 2-methyldiriocarbazate derivative of the following general formula (II) in the presence of a base. It relates to a method for producing 4-ethoxycarbonyl-1-methyl-5-pyrazolemercaptan represented by (I).

상기식에서, R은 C1-4알킬기, C2-4알케닐기, 아릴알킬기 또는 아릴기를 나타낸다.In the formula, R represents a C 1-4 alkyl group, C 2-4 alkenyl group, arylalkyl group or aryl group.

Description

4-에톡시카보닐-1-메틸-5-피라졸머캅탄을 제조방법Method for preparing 4-ethoxycarbonyl-1-methyl-5-pyrazolemercaptan

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (5)

하기 일반식(Ⅲ)의 디에틸 에톡시메틸렌 말로네이트를 염기의 존재하에서 하기 일반식(Ⅱ)의 -2-메틸디리오카르바제이트 유도체와 반응시킴을 특징으로하여 하기 일반식(Ⅰ)로 표시되는 4-에톡시카보닐-1-메틸-5-피라졸머캅탄을 제조방법.The diethyl ethoxymethylene malonate of formula (III) is reacted with a 2-methyldiriocarbazate derivative of formula (II) in the presence of a base to formula (I) A method for producing 4-ethoxycarbonyl-1-methyl-5-pyrazolemercaptan represented by 상기식에서, R은 C1-4알킬기, C2-4알케닐기, 아릴알킬기 또는 아릴기를 나타낸다.In the formula, R represents a C 1-4 alkyl group, C 2-4 alkenyl group, arylalkyl group or aryl group. 제 1 항에 있어서, R이 메틸기, 에틸기, 아릴기, 벤질기 또는 페닐기인 제조방법.The production method according to claim 1, wherein R is a methyl group, ethyl group, aryl group, benzyl group or phenyl group. 제 1 항에 있어서, 반응을 에탄올 용매중에서 수행함을 특징으로 하는 방법.The method of claim 1 wherein the reaction is carried out in ethanol solvent. 제 1 항에 있어서, 사용된 염기가 알칼리금속 알콕사이드이고, 그의 사용량이 일반식(Ⅱ)의 화합물을 기준으로 1.0당량 내지 5.0당량이며, 반응온도가 용매의 환류온도임을 특징으로 하는 방법.The method according to claim 1, wherein the base used is an alkali metal alkoxide, the amount thereof is used in the amount of 1.0 to 5.0 equivalents based on the compound of formula (II), and the reaction temperature is the reflux temperature of the solvent. 제 4 항에 있어서, 일반식(Ⅲ)의 화합물의 사용량이 일반식(Ⅱ) 화합물을 기준으로 1.0당량 내지 1.5당량임을 특징으로 하는 방법.The method of claim 4, wherein the amount of the compound of formula (III) is 1.0 to 1.5 equivalents based on the compound of formula (II). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920024736A 1992-12-17 1992-12-17 4-process for preparing of 4-ethoxycarbonyl-1-methyl-5-pyrazole mercaptan KR950013853B1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
KR1019920024736A KR950013853B1 (en) 1992-12-17 1992-12-17 4-process for preparing of 4-ethoxycarbonyl-1-methyl-5-pyrazole mercaptan
ES93120124T ES2088625T3 (en) 1992-12-17 1993-12-14 PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF 5-PIRAZOLMERCAPTANO AND ITS INTERMEDIARIES.
EP93120124A EP0602589B1 (en) 1992-12-17 1993-12-14 Processes for preparation of 5-pyrazolemercaptan derivatives and intermediates thereof
DK93120124.8T DK0602589T3 (en) 1992-12-17 1993-12-14 Process for preparing 5-pyrazole mercaptan derivatives and intermediates therefor
DE69303352T DE69303352T2 (en) 1992-12-17 1993-12-14 Process for the preparation of 5-pyrazolomercaptan derivatives and their intermediates
AT93120124T ATE139767T1 (en) 1992-12-17 1993-12-14 METHOD FOR PRODUCING 5-PYRAZOLOMERCAPTAN DERIVATIVES AND INTERMEDIATE PRODUCTS THEREOF
US08/166,864 US5405965A (en) 1992-12-17 1993-12-15 Processes for preparation of 5-pyrazolemercaptan derivatives and intermediates thereof
BR9305092A BR9305092A (en) 1992-12-17 1993-12-16 Process for the preparation of derivatives of 5-pyrazolmercáptan, ethylidene dithiocarbazate compound, process for the preparation of derivatives thereof
JP5316384A JP2580477B2 (en) 1992-12-17 1993-12-16 Method for producing 5-pyrazole mercaptan derivative and intermediate thereof
US08/341,893 US5416220A (en) 1992-12-17 1994-11-15 Processes for preparation of 5-pyrazolemercaptan derivatives
US08/386,825 US5468896A (en) 1992-12-17 1995-02-10 Dithiocarbazate compounds
US08/386,867 US5466854A (en) 1992-12-17 1995-02-10 Processes for preparation of dithiocarbazates
JP8179244A JP2648297B2 (en) 1992-12-17 1996-07-09 Method for producing carbodithioate derivative
GR960402113T GR3020747T3 (en) 1992-12-17 1996-08-07 Processes for preparation of 5-pyrazolemercaptan derivatives and intermediates thereof.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920024736A KR950013853B1 (en) 1992-12-17 1992-12-17 4-process for preparing of 4-ethoxycarbonyl-1-methyl-5-pyrazole mercaptan

Publications (2)

Publication Number Publication Date
KR940014343A true KR940014343A (en) 1994-07-18
KR950013853B1 KR950013853B1 (en) 1995-11-17

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Application Number Title Priority Date Filing Date
KR1019920024736A KR950013853B1 (en) 1992-12-17 1992-12-17 4-process for preparing of 4-ethoxycarbonyl-1-methyl-5-pyrazole mercaptan

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KR950013853B1 (en) 1995-11-17

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