KR960022534A - Method for preparing benzodifuranone compound - Google Patents

Method for preparing benzodifuranone compound Download PDF

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Publication number
KR960022534A
KR960022534A KR1019940033915A KR19940033915A KR960022534A KR 960022534 A KR960022534 A KR 960022534A KR 1019940033915 A KR1019940033915 A KR 1019940033915A KR 19940033915 A KR19940033915 A KR 19940033915A KR 960022534 A KR960022534 A KR 960022534A
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KR
South Korea
Prior art keywords
acid
compound
formula
solvent
preparing
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KR1019940033915A
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Korean (ko)
Inventor
공명도
손병기
이의재
Original Assignee
성재갑
주식회사 Lg 화학
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Priority to KR1019940033915A priority Critical patent/KR960022534A/en
Publication of KR960022534A publication Critical patent/KR960022534A/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 하기 일반식(II)의 화합물을 용매 존재하에 하기 일반식(III)의 화합물과 반응시킨 후, 산화시킴을 특징으로 하여 하기 일반식(I)의 화합물을 제조하는 방법에 관한 것이다:The present invention relates to a process for preparing a compound of formula (I), characterized by reacting a compound of formula (II) with a compound of formula (III) in the presence of a solvent and then oxidizing:

상기 식에서, R1및 R2는 각각 독립적으로 페닐, 치환된 페닐 또는 나프틸을 나타내고 X는 클로로 또는 브로모를 나타낸다.Wherein R 1 and R 2 each independently represent phenyl, substituted phenyl or naphthyl and X represents chloro or bromo.

Description

벤조디푸라논 화합물의 제조방법Method for preparing benzodifuranone compound

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

Claims (10)

하기 일반식(II)의 화합물을 용매 존재하에 하기 일반식(III)의 화합물과 반응시킨 후, 산화시킴을 특징으로 하여 하기 일반식(I)의 화합물을 제조하는 방법:A process for preparing a compound of formula (I) characterized by reacting a compound of formula (II) with a compound of formula (III) in the presence of a solvent and then oxidizing: 상기 식에서, R1및 R2는 각각 독립적으로 페닐, 치환된 페닐 또는 나프틸을 나타내고 X는 클로로 또는 브로모를 나타낸다.Wherein R 1 and R 2 each independently represent phenyl, substituted phenyl or naphthyl and X represents chloro or bromo. 제1항에 있어서, 용매가 톨루엔, 크실렌, 벤젠, 모노클로로벤젠, 디클로로벤젠, 트리클로로벤젠, 1,2-디클로로에탄, 클로로포름 또는 사염화탄소 중에서 선택됨을 특징으로 하는 방법.The method of claim 1 wherein the solvent is selected from toluene, xylene, benzene, monochlorobenzene, dichlorobenzene, trichlorobenzene, 1,2-dichloroethane, chloroform or carbon tetrachloride. 제2항에 있어서, 산촉매 존재하에 반응시키는 방법.The method of claim 2, wherein the reaction is carried out in the presence of an acid catalyst. 제3항에 있어서, 산촉매의 사용량이 일반식(II)의 화합물에 대하여 0.5 내지 2.0 몰배량인 방법.The process according to claim 3, wherein the amount of acid catalyst used is 0.5 to 2.0 mole times with respect to the compound of formula (II). 제1항에 있어서, 용매가 유기산 또는 유기산과 황산의 혼합 용매입을 특징으로 하는 방법.The process according to claim 1, wherein the solvent is an organic acid or a mixed solvent of organic acid and sulfuric acid. 제5항에 있어서, 유기산이 포름산, 아세트산, 또는 프로피온산 중에서 선택됨을 특징으로 하는 방법.6. The method of claim 5 wherein the organic acid is selected from formic acid, acetic acid, or propionic acid. 제5항에 있어서, 유기산과 황산의 혼합용매 중에 황산이 0.5 내지 50중량%로 혼합되어 있는 방법.The method according to claim 5, wherein sulfuric acid is mixed at 0.5 to 50% by weight in a mixed solvent of organic acid and sulfuric acid. 제1항에 있어서, 반응온도가 30 내지 120℃인 방법.The method of claim 1 wherein the reaction temperature is 30 to 120 ° C. 제8항에 있어서, 반응온도가 50 내지 100℃인 방법.The method of claim 8, wherein the reaction temperature is between 50 and 100 ° C. 10. 제1항에 있어서, 산화제가 클로라닐, 암모늄퍼설페이트 또는 과산화수소 중에서 선택됨을 특징으로 하는 방법.The method of claim 1 wherein the oxidizing agent is selected from chloranyl, ammonium persulfate or hydrogen peroxide. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940033915A 1994-12-13 1994-12-13 Method for preparing benzodifuranone compound KR960022534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940033915A KR960022534A (en) 1994-12-13 1994-12-13 Method for preparing benzodifuranone compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940033915A KR960022534A (en) 1994-12-13 1994-12-13 Method for preparing benzodifuranone compound

Publications (1)

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KR960022534A true KR960022534A (en) 1996-07-18

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KR1019940033915A KR960022534A (en) 1994-12-13 1994-12-13 Method for preparing benzodifuranone compound

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KR (1) KR960022534A (en)

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