KR900003099A - Method for preparing 2-hydroxybenzophenone derivative - Google Patents

Method for preparing 2-hydroxybenzophenone derivative Download PDF

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Publication number
KR900003099A
KR900003099A KR1019880010494A KR880010494A KR900003099A KR 900003099 A KR900003099 A KR 900003099A KR 1019880010494 A KR1019880010494 A KR 1019880010494A KR 880010494 A KR880010494 A KR 880010494A KR 900003099 A KR900003099 A KR 900003099A
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KR
South Korea
Prior art keywords
hydroxybenzophenone derivative
producing
chloride
general formula
carbon atoms
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KR1019880010494A
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Korean (ko)
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조남순
박남규
심성보
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이상철
주식회사 코오롱
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Priority to KR1019880010494A priority Critical patent/KR900003099A/en
Publication of KR900003099A publication Critical patent/KR900003099A/en

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Abstract

내용 없음No content

Description

2-히드록시벤조페논계 유도체의 제조방법Method for preparing 2-hydroxybenzophenone derivative

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

Claims (4)

2-히드록시벤조페논계유도체를 제조하는데 있어서, 알킬할라이드용매에다 다음 일반식(Ⅱ)로 표시되는 벤조일클로라이드와 알루미늄클로라이드를 투입하고, 이어서 다음 일반식(Ⅲ)으로 표시되는 1,3-디알콕시벤젠을 투입하되 상기 벤조일클로라이드와 알루미늄클로라이드를 각각 상기 1,3-디알콕시벤젠에 대하여 몰비로 5 내지 40%과량으로 투입하고, 이를 100℃ 이하에서 반응시킨 후 수용액 층은 분리제거시키고 상기 용매는 진공증류로 회수한 다음 잔류물에 알코올을 투입하여 결정을 석출시켜서 제조하는 것을 특징으로 하는 다음 일반식(I)로 표시되는 2-히드록시벤조페논계유도체의 제조방법.In preparing a 2-hydroxybenzophenone derivative, benzoyl chloride and aluminum chloride represented by the following general formula (II) are added to an alkyl halide solvent, and then 1,3-di represented by the following general formula (III) Alkoxybenzene was added, but the benzoyl chloride and aluminum chloride were added in an amount of 5 to 40% by molar ratio with respect to the 1,3-dialkoxybenzene, respectively. The method for producing a 2-hydroxybenzophenone derivative represented by the following general formula (I), which is prepared by recovering by vacuum distillation and then adding alcohol to the residue to precipitate crystals. 상기식에서 x와 z는 수소, 탄소수가 1 내지 8개인 알킬기, 알콕시 또는 할로겐을 나타내고, Y는 수소, 탄소수가 1 내지 8개인 알킬기, 알콕시, 히드록시 또는 할로겐을 나타내며, R은 탄소수가 1 내지 8개인 알킬기를 나타낸다.Wherein x and z represent hydrogen, an alkyl group having 1 to 8 carbon atoms, alkoxy or halogen, Y represents hydrogen, an alkyl group having 1 to 8 carbon atoms, alkoxy, hydroxy or halogen, and R represents 1 to 8 carbon atoms A personal alkyl group is shown. 제1항에 있어서, 알킬할라이드는 메틸렌클로라이드, 프로필렌클로라이드, 클로로포름, 사염화탄소, 1,1-디클로로에탄, 1,2-디클로로에탄, 1,1,2-트리클로에탄, 1,1,2,2-테트라클로로에탄올 또는 디클로로에틸렌을 사용하는 것을 특징으로 하는 2-히드록시벤조페논계유도체의 제조방법.The alkyl halide of claim 1, wherein the alkyl halide is methylene chloride, propylene chloride, chloroform, carbon tetrachloride, 1,1-dichloroethane, 1,2-dichloroethane, 1,1,2-trichloroethane, 1,1,2,2- A method for producing a 2-hydroxybenzophenone derivative, characterized by using tetrachloroethanol or dichloroethylene. 제1항에 있어서, 알코올은 메탄올, 에탄올 n-프로판올, 이소프로판올, 부탄올 또는 에틸렌글리콜을 사용하는 것을 특징으로 하는 2-히드록시벤조페논계유도체의 제조방법.The method for producing a 2-hydroxybenzophenone derivative according to claim 1, wherein the alcohol is methanol, ethanol n-propanol, isopropanol, butanol or ethylene glycol. 제1항에 있어서, 결정의 석출은 0 내지 40℃의 온도에서 이루어지는 것을 특징으로 하는 2-히드록시벤조페논계유도체의 제조방법.The method for producing a 2-hydroxybenzophenone derivative according to claim 1, wherein precipitation of the crystal is performed at a temperature of 0 to 40 ° C. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880010494A 1988-08-18 1988-08-18 Method for preparing 2-hydroxybenzophenone derivative KR900003099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880010494A KR900003099A (en) 1988-08-18 1988-08-18 Method for preparing 2-hydroxybenzophenone derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880010494A KR900003099A (en) 1988-08-18 1988-08-18 Method for preparing 2-hydroxybenzophenone derivative

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KR900003099A true KR900003099A (en) 1990-03-23

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KR1019880010494A KR900003099A (en) 1988-08-18 1988-08-18 Method for preparing 2-hydroxybenzophenone derivative

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