KR900007778A - Method for preparing benzoyl malonate derivative - Google Patents

Method for preparing benzoyl malonate derivative Download PDF

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Publication number
KR900007778A
KR900007778A KR1019880014962A KR880014962A KR900007778A KR 900007778 A KR900007778 A KR 900007778A KR 1019880014962 A KR1019880014962 A KR 1019880014962A KR 880014962 A KR880014962 A KR 880014962A KR 900007778 A KR900007778 A KR 900007778A
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KR
South Korea
Prior art keywords
formula
malonate derivative
alkali
iii
compound
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KR1019880014962A
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Korean (ko)
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KR910001999B1 (en
Inventor
박성용
이광혁
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손영희
제일제당 주식회사
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Priority to KR1019880014962A priority Critical patent/KR910001999B1/en
Publication of KR900007778A publication Critical patent/KR900007778A/en
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Publication of KR910001999B1 publication Critical patent/KR910001999B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
    • C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
    • C07C69/716—Esters of keto-carboxylic acids or aldehydo-carboxylic acids

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음.No content.

Description

벤조일 말로네이트 유도체의 제조방법Method for preparing benzoyl malonate derivative

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

다음 구조식 (Ⅱ)의 벤조산 유도체와 에틸클로로포메이트를 알칼리 존재하, 비극성 유기용매중에서 반응시켜 구조식(Ⅲ)의 화합물을 얻은 다음, 구조식(Ⅲ)의 화합물과 에톡시마그네슘 말로닉에스테르(Ⅳ)를 -10℃~10℃에서 반응시킴을 특징으로 하는 구조식 (Ⅰ)로 표현되는 벤조일 말로네이트 유도체의 제조방법.The benzoic acid derivative of the following formula (II) and ethylchloroformate are reacted in a nonpolar organic solvent in the presence of an alkali to obtain a compound of the formula (III), and then the compound of the formula (III) and ethoxymagnesium malonic ester (IV) Method for producing a benzoyl malonate derivative represented by formula (I) characterized in that the reaction at -10 ℃ ~ 10 ℃. (여기에서 X는 Cl 혹은 Br이다.)(Where X is Cl or Br) 제1항에 있어서, 알칼리는 피리딘, 트리에틸아민, 탄산칼륨, 퀴놀린으로부터 선택됨을 특징으로 하는 제조방법.The process of claim 1 wherein the alkali is selected from pyridine, triethylamine, potassium carbonate, quinoline. 제1항에 있어서, 비극성 유기용매는 톨루엔, n-헥산, 디이소프로필에테르, 벤젠, 디클로로에탄으로부터 선택됨을 특징으로 하는 제조방법.The method according to claim 1, wherein the nonpolar organic solvent is selected from toluene, n-hexane, diisopropyl ether, benzene, dichloroethane. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880014962A 1988-11-14 1988-11-14 Process for the preparation of benzoyl maleic acid derivative KR910001999B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880014962A KR910001999B1 (en) 1988-11-14 1988-11-14 Process for the preparation of benzoyl maleic acid derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880014962A KR910001999B1 (en) 1988-11-14 1988-11-14 Process for the preparation of benzoyl maleic acid derivative

Publications (2)

Publication Number Publication Date
KR900007778A true KR900007778A (en) 1990-06-01
KR910001999B1 KR910001999B1 (en) 1991-03-30

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ID=19279243

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880014962A KR910001999B1 (en) 1988-11-14 1988-11-14 Process for the preparation of benzoyl maleic acid derivative

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Publication number Publication date
KR910001999B1 (en) 1991-03-30

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