KR950018310A - Method for preparing benzodifuranone compound - Google Patents

Method for preparing benzodifuranone compound Download PDF

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Publication number
KR950018310A
KR950018310A KR1019930027500A KR930027500A KR950018310A KR 950018310 A KR950018310 A KR 950018310A KR 1019930027500 A KR1019930027500 A KR 1019930027500A KR 930027500 A KR930027500 A KR 930027500A KR 950018310 A KR950018310 A KR 950018310A
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KR
South Korea
Prior art keywords
group
general formula
acid
solvent
phenyl group
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KR1019930027500A
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Korean (ko)
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KR960014044B1 (en
Inventor
이철우
한기종
홍성의
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최근선
주식회사 엘지화학
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Priority to KR1019930027500A priority Critical patent/KR960014044B1/en
Publication of KR950018310A publication Critical patent/KR950018310A/en
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Publication of KR960014044B1 publication Critical patent/KR960014044B1/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

본 발명은 하기 일반식(II)의 벤조푸란 유도체와 하기 일반식(III)의 화합물을 용매 존재하에서 반응시킨후, 산화시킴을 특징으로 하여 일반식(I)의 벤조디푸라논 염료를 제조하는 방법에 관한 것이다.The present invention is characterized in that the benzofuran derivative of the general formula (II) and the compound of the general formula (III) are reacted in the presence of a solvent and then oxidized to prepare a benzodifuranone dye of the general formula (I). It is about a method.

상기식에서, R1및 R2는 각각 독립적으로 페닐기, 치환된 페닐기 또는 나프틸기를 나타내며 X는 알킬카르복실에스테르 또는 시아노기를 나타내고, Y는 수소 또는 아릴옥시기를 나타내며, Hal은 염소 또는 불소를 나타낸다. 또한, 본 발명은 상기 일반식(III)의 신규한 디할로트리아진에 관한 것이다.Wherein R 1 and R 2 each independently represent a phenyl group, a substituted phenyl group or a naphthyl group, X represents an alkylcarboxyester or cyano group, Y represents hydrogen or an aryloxy group, and Hal represents chlorine or fluorine . The present invention also relates to novel dihalotriazines of the general formula (III).

Description

벤조디푸라논 화합물의 제조방법Method for preparing benzodifuranone compound

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

Claims (9)

하기 일반식(II)의 벤조푸란 유도체와 하기 일반식(III)의 화합물을 용매 존재하에서 반응시킨 후, 산화시킴을 특징으로 하여 일반식(I)의 벤조디푸라논 염료를 제조하는 방법.A method for producing the benzodifuranone dye of the general formula (I), wherein the benzofuran derivative of the general formula (II) is reacted with the compound of the general formula (III) in the presence of a solvent, followed by oxidation. 상기식에서 R1및 R2는 각각 독립적으로 페닐기, 치환된 페닐기 또는 나프틸기를 나타내며, X는 알킬카르복실에스테르 또는 시아노기를 나타내고, Y는 수소 또는 아릴옥시기를 나타내며, Hal은 염소 또는 불소를 나타낸다.Wherein R 1 and R 2 each independently represent a phenyl group, a substituted phenyl group or a naphthyl group, X represents an alkylcarboxylate or cyano group, Y represents hydrogen or an aryloxy group, and Hal represents chlorine or fluorine . 제1항에 있어서, 용매가 톨루엔, 자일렌, 벤젠, 모노클로로벤젠, 디클로로벤젠, 트리클로로벤젠, 디클로로메탄 또는 클로로포임을 특징으로 하는 방법.The method of claim 1 wherein the solvent is toluene, xylene, benzene, monochlorobenzene, dichlorobenzene, trichlorobenzene, dichloromethane or chloropoie. 제2항에 있어서, 산촉매 존재하에서 반응시킴을 특징으로 하는 방법.The method of claim 2 wherein the reaction is in the presence of an acid catalyst. 제3항에 있어서, 산촉매 사용량이 일반식(II)의 벤조푸란 화합물을 기준으로 0.5몰배 내지 2.0몰배임을 특징으로 하는 방법.The method of claim 3, wherein the amount of acid catalyst used is 0.5 mole times to 2.0 mole times based on the benzofuran compound of formula (II). 제1항에 있어서, 용매가 포름산, 초산 또는 프로피온산이거나 이들 각 유기산과 황산의 혼합 용매임을 특징으로 하는 방법.The process according to claim 1, wherein the solvent is formic acid, acetic acid or propionic acid or a mixed solvent of each of these organic acids and sulfuric acid. 제5항에 있어서, 황산이 50 내지 0.5%중량비로 혼합된 유기산과 황산의 혼합용액임을 특징으로 하는 방법.The method according to claim 5, wherein the sulfuric acid is a mixed solution of organic acid and sulfuric acid mixed in a 50 to 0.5% weight ratio. 제1항에 있어서, (II)와 (III)화합물의 반응온도가 30 내지 120℃임을 특징으로 하는 방법.The method according to claim 1, wherein the reaction temperature of the compounds (II) and (III) is 30 to 120 ° C. 제7항에 있어서, 반응온도가 50 내지 100℃임을 특징으로 하는 방법.The method of claim 7, wherein the reaction temperature is 50 to 100 ℃. 하기의 일반식(III)의 신규 디할로트리아진 유도체Novel dihalotriazine derivatives of the general formula (III) 상기 식에서, R2는 각각 독립적으로 페닐기, 치환된 페닐기 또는 나프탈기를 나타내며, X는 알킬카르복실에스테르 또는 시아노기를 나타내고, Y는 수소 또는 아릴옥시기를 나타내며, Hal은 염소 또는 불소를 나타낸다.In the formula, each R 2 independently represents a phenyl group, a substituted phenyl group or a naphthal group, X represents an alkylcarboxyester or cyano group, Y represents hydrogen or an aryloxy group, and Hal represents chlorine or fluorine. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930027500A 1993-12-13 1993-12-13 Process for the production of benzo difuran compound KR960014044B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930027500A KR960014044B1 (en) 1993-12-13 1993-12-13 Process for the production of benzo difuran compound

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Application Number Priority Date Filing Date Title
KR1019930027500A KR960014044B1 (en) 1993-12-13 1993-12-13 Process for the production of benzo difuran compound

Publications (2)

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KR950018310A true KR950018310A (en) 1995-07-22
KR960014044B1 KR960014044B1 (en) 1996-10-11

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