KR830004228A - Method for preparing 2,3-dihalogenopropionitrile - Google Patents

Method for preparing 2,3-dihalogenopropionitrile Download PDF

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Publication number
KR830004228A
KR830004228A KR1019800004809A KR800004809A KR830004228A KR 830004228 A KR830004228 A KR 830004228A KR 1019800004809 A KR1019800004809 A KR 1019800004809A KR 800004809 A KR800004809 A KR 800004809A KR 830004228 A KR830004228 A KR 830004228A
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South Korea
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catalyst
carried out
carbonate
hydrogen phosphate
process according
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KR1019800004809A
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Korean (ko)
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KR840000418B1 (en
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쇼오스께 나가이
도시오 가또오
쬬오지로 히구찌
노부유끼 가와시마
류우이찌 미다
야끼히로 야마구찌
다까오 다까노
Original Assignee
마쓰바야 세이이찌
미쓰이도 오아쓰 가가꾸 가부시기 가이샤
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Priority to KR1019800004809A priority Critical patent/KR840000418B1/en
Publication of KR830004228A publication Critical patent/KR830004228A/en
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Publication of KR840000418B1 publication Critical patent/KR840000418B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

내용 없음No content

Description

2,3-디할로게노프로피오니트릴의 제조방법Method for preparing 2,3-dihalogenopropionitrile

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

Claims (12)

알카리 또는 알카리 토금속의 탄산염, 탄산수소염 또는 인산수소염 촉매 존재하에서 아크릴로니트릴을 할로겐화제로서 할로겐화 시킴을 특징으로 하는 2,3-디할로게노프로피오니트릴의 제조방법.A process for producing 2,3-dihalogenopropionitrile characterized by halogenating acrylonitrile as a halogenating agent in the presence of a carbonate, hydrogen carbonate or hydrogen phosphate catalyst of an alkali or alkaline earth metal. 촉매가 탄산나트륨 또는 탄산칼륨임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The process according to claim 1, wherein the catalyst is sodium carbonate or potassium carbonate. 촉매가 탄산수소나트륨 또는 탄산수소칼륨임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The method according to claim 1, wherein the catalyst is sodium hydrogen carbonate or potassium hydrogen carbonate. 촉매가 인산수소이나트륨 또는 인산수소이칼륨임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The method according to claim 1, wherein the catalyst is disodium hydrogen phosphate or dipotassium hydrogen phosphate. 촉매가 인산수소칼슘임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The method according to claim 1, wherein the catalyst is calcium hydrogen phosphate. 할로겐화제가 염소 또는 브롬임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The method of claim 1 wherein the halogenating agent is chlorine or bromine. 할로겐화 조작을 실질적인 광부재하에 수행함을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.Method according to claim 1, characterized in that the halogenation operation is carried out in the absence of substantial light. 촉매 사용량이 아크릴로니트릴 1몰에 대하여 0.05 내지 2몰임을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The method according to claim 1, wherein the amount of catalyst used is 0.05 to 2 moles per 1 mole of acrylonitrile. 할로겐화 조작을 용매의 부재하에 수행함을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The process according to claim 1, wherein the halogenation operation is carried out in the absence of a solvent. 할로겐화 조작을 할로겐화 지방족 탄화수소 용매 중에서 수행함을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.A process as claimed in claim 1 characterized in that the halogenation operation is carried out in a halogenated aliphatic hydrocarbon solvent. 할로겐화 조작을 -70 내지 110℃에서 수행함을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The process according to claim 1, wherein the halogenation operation is carried out at -70 to 110 ° C. 할로겐화 조작을 -20 내지 40℃에서 수행함을 특징으로 하는 특허청구의 범위 제1항 기재의 방법.The process according to claim 1, wherein the halogenation operation is carried out at -20 to 40 ° C. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019800004809A 1980-12-17 1980-12-17 Process for the preparation of 2,3-dihalopropionitrile KR840000418B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019800004809A KR840000418B1 (en) 1980-12-17 1980-12-17 Process for the preparation of 2,3-dihalopropionitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019800004809A KR840000418B1 (en) 1980-12-17 1980-12-17 Process for the preparation of 2,3-dihalopropionitrile

Publications (2)

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KR830004228A true KR830004228A (en) 1983-07-09
KR840000418B1 KR840000418B1 (en) 1984-04-02

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KR1019800004809A KR840000418B1 (en) 1980-12-17 1980-12-17 Process for the preparation of 2,3-dihalopropionitrile

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KR840000418B1 (en) 1984-04-02

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