KR980002001A - Method for preparing propionic acid derivative - Google Patents

Method for preparing propionic acid derivative Download PDF

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Publication number
KR980002001A
KR980002001A KR1019960023392A KR19960023392A KR980002001A KR 980002001 A KR980002001 A KR 980002001A KR 1019960023392 A KR1019960023392 A KR 1019960023392A KR 19960023392 A KR19960023392 A KR 19960023392A KR 980002001 A KR980002001 A KR 980002001A
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KR
South Korea
Prior art keywords
acid
represented
general formula
formula
propionic acid
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Application number
KR1019960023392A
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Korean (ko)
Inventor
이길성
Original Assignee
황선두
삼성종합화학 주식회사
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Priority to KR1019960023392A priority Critical patent/KR980002001A/en
Publication of KR980002001A publication Critical patent/KR980002001A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

본 발명은 프로피온산 유도체에 관한 것이며, 더욱 상세하게는 2,4-디터셜리부틸페놀 유도체와 아크릴산 유도체를 이용하여 중간체를 합성후, 이를 탄 알킬화 반응시켜 일반식(Ⅰ)로 표시되는 프로피온산 유도체를 제조하는 방법에 관한 것이다.The present invention relates to a propionic acid derivative, and more particularly, to synthesize an intermediate using a 2,4-ditributyl phenol phenol derivative and an acrylic acid derivative, and to produce a propionic acid derivative represented by the general formula (I) by carbon alkylation reaction thereof. It is about how to.

상기식에서 R1은 수소 또는 C1~C10의 알킬기를 나타내며, R2는 수소 또는 C1~C10의 알킬기를 나타낸다.Wherein R 1 represents hydrogen or an alkyl group of C 1 to C 10 , and R 2 represents hydrogen or an alkyl group of C 1 to C 10 .

Description

프로피온산 유도체의 제조방법Method for preparing propionic acid derivative

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

Claims (4)

일반식(Ⅱ)로 표시되는 2,4-디터셜리부틸페놀 또는 그의 에스테르 유도체와 일반식(Ⅲ)으로 표시되는 아크릴산 또는 그의 에스테르 유도체 화합물을 출발물질로 하고 터셜리부탄올을 용매로하여 일반식(Ⅳ)로 표시되는 중간체를 합성한후, 이를 산촉매 존재하에서 탈 알킬화 반응시킴을 특징으로 하는 일반식(Ⅰ)로 표시되는 프로피온산 유도체의 제조방법.2,4-ditributylbutylphenol represented by general formula (II) or its ester derivative and acrylic acid or its ester derivative compound represented by general formula (III) as starting materials and tertiary butanol as a solvent A process for producing a propionic acid derivative represented by the general formula (I) characterized by synthesizing an intermediate represented by IV) and then dealkylating it in the presence of an acid catalyst. 상기 식에서 R1은 수소 또는 C1~C10의 알킬기를 나타내고 ,R2는 수소 또는 C1~C10의 알킬기를 나타내고, t′Bu는 터셜리부틸기를 나타낸다.In the above formula, R 1 represents hydrogen or an alkyl group of C 1 to C 10 , R 2 represents hydrogen or an alkyl group of C 1 to C 10 , and t′Bu represents a tertiarybutyl group. 제1항에 있어서, 일반식(Ⅱ)의 화합물은 2,6-디터셜리부틸히드록시벤젠, 2,6-디터셜리부틴메톡시벤젠, 2,6-디터셜리부틸에톡시벤젠 등에서 선택된 화합물이며, 일반식(Ⅲ)의 화합물은 아크릴산, 메틸아크릴레이트, 에틸아크릴레이트, 메틸메타아크릴레이트 등에서 선택된 화합물임을 특징으로 하는 일반식(Ⅰ)로 표시되는 프로피오산 유도체의 제조방법.The compound of formula (II) is a compound selected from 2,6-ditributylbutylhydroxybenzene, 2,6-ditributyoxymethoxybenzene, 2,6-ditributylbutylethoxybenzene, and the like. , The compound of formula (III) is a method for producing a propioic acid derivative represented by formula (I), characterized in that the compound selected from acrylic acid, methyl acrylate, ethyl acrylate, methyl methacrylate and the like. 제1항에 있어서, 터셜리부탄올 용매하에 터셜리부톡시칼륨(t-BuOK)을 촉매로 사용함을 특징으로 하는 일반식(Ⅰ)로 표시되는 프로피온산 유도체의 제조방법.The process for producing propionic acid derivatives represented by the general formula (I) according to claim 1, characterized in that tertiary butoxy potassium (t-BuOK) is used as a catalyst in a tertiary butanol solvent. 제1항에 있어서, 탈 알킬화 산촉매로는 황산, 인산, BF3OEt2, Al(OPh)3, SiO2, Al2O3, 이온교환수지, 산클레이(Acid Clay)등에서 선택된 촉매를 사용함을 특징으로 하는 일반식(Ⅰ)로 표시되는 프로피온산 유도체의 제조방법.The dealkylated acid catalyst according to claim 1, wherein a catalyst selected from sulfuric acid, phosphoric acid, BF 3 OEt 2 , Al (OPh) 3 , SiO 2 , Al 2 O 3 , ion exchange resin, acid clay, and the like is used. A method for producing a propionic acid derivative represented by the general formula (I). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960023392A 1996-06-25 1996-06-25 Method for preparing propionic acid derivative KR980002001A (en)

Priority Applications (1)

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KR1019960023392A KR980002001A (en) 1996-06-25 1996-06-25 Method for preparing propionic acid derivative

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KR1019960023392A KR980002001A (en) 1996-06-25 1996-06-25 Method for preparing propionic acid derivative

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KR980002001A true KR980002001A (en) 1998-03-30

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