KR960014127A - Method for preparing benzodifuranone compound - Google Patents

Method for preparing benzodifuranone compound Download PDF

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Publication number
KR960014127A
KR960014127A KR1019940027159A KR19940027159A KR960014127A KR 960014127 A KR960014127 A KR 960014127A KR 1019940027159 A KR1019940027159 A KR 1019940027159A KR 19940027159 A KR19940027159 A KR 19940027159A KR 960014127 A KR960014127 A KR 960014127A
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KR
South Korea
Prior art keywords
group
phenyl group
solvent
acid
formula
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KR1019940027159A
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Korean (ko)
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KR0131038B1 (en
Inventor
이의재
손병기
공명도
Original Assignee
성재갑
주식회사 엘지화학
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Priority to KR1019940027159A priority Critical patent/KR0131038B1/en
Publication of KR960014127A publication Critical patent/KR960014127A/en
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Publication of KR0131038B1 publication Critical patent/KR0131038B1/en

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

본 발명은 일반식(II)의 벤조프란 유도체를 용매 존재하에서 일반식(III)의 화합물과 반응시킨 후, 산화시킴을 특징으로 하여 일반식(I)의 벤조디프라논 염료를 제조하는 방법에 관한 것이다.The present invention relates to a process for preparing a benzodifranone dye of general formula (I), characterized by reacting a benzofran derivative of general formula (II) with a compound of general formula (III) in the presence of a solvent, followed by oxidation. will be.

상기식에서, R1, R2, R3및 X는 명세서에서 정의한 바와 같다.Wherein R 1 , R 2 , R 3 and X are as defined in the specification.

본 발명은 또한 하기 일반식(III)의 신규 할로 트리아진 또는 트리아진 유도체에 관한 것이다.The invention also relates to novel halo triazines or triazine derivatives of the general formula (III)

상기식에서 R2, R3및 X는 명세서에서 정의한 바와 같다.Wherein R 2 , R 3 and X are as defined in the specification.

Description

벤조디프라논 염료를 제조 방법Process for preparing benzodipranon dye

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

Claims (9)

일반식(II)의 벤조프란 유도체를 용매 존재하에서 일반식(III)의 화합물과 반응시킨 후, 산화시킴을 특징으로 하여 일반식(I)의 벤조디프라논 염료를 제조하는 방법A method for preparing a benzodifranone dye of formula (I), characterized by reacting a benzofran derivative of formula (II) with a compound of formula (III) in the presence of a solvent and then oxidizing. 상기식에서, R1및 R2는 서로 독립적으로 페닐기, 치환기 페닐기 또는 나프탈기를 나타내고, R3은 H 또는 C1-4-알킬기를 나타내며, X는 Cl 또는를 나타내고, 여기서 R2는 페닐기, 치환된 페닐기 또는 나프틸기를 나타내며, R3은 H 또는 C1-4-알킬기를 나타낸다.Wherein R 1 and R 2 independently of one another represent a phenyl group, a substituent phenyl group or a naphthal group, R 3 represents H or a C 1-4 -alkyl group, and X is Cl or In which R 2 represents a phenyl group, a substituted phenyl group or a naphthyl group, and R 3 represents H or a C 1-4 -alkyl group. 제1항에 있어서, 용매가 톨루엔, 크실렌, 벤젠, 모노클로로벤젠, 디클로로벤젠, 트리클로로벤젠, 1,2-디클로로에탄, 클롤로포름 또는 사염화탄소임을 특징으로 하는 방법.The method of claim 1 wherein the solvent is toluene, xylene, benzene, monochlorobenzene, dichlorobenzene, trichlorobenzene, 1,2-dichloroethane, chloroform or carbon tetrachloride. 제2항에 있어서, 용매를 산과 혼합사용함을 특징으로 하는 방법.The method of claim 2 wherein the solvent is mixed with an acid. 제1항에 있어서, 용매가 포름산, 초산 또는 프로피온산이거나 이들 각 유기산과 황산의혼합 용매임을 특징으로 하는 방법.The method of 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. 제4항에 있어서, 황산이 50 내지 0.5중량%비로 혼합된 유기산가 황산의 혼합 용매임을 특징으로 하는 방법.The method according to claim 4, wherein the sulfuric acid is a mixed solvent of sulfuric acid, wherein the organic acid mixed at a ratio of 50 to 0.5% by weight. 제3항에 있어서, 산촉매의 사용량이 일반식(II)의 벤조푸란 화합물을 기준으로 0.5몰배 내지 2.0몰배임을 특징으로 하는 방법.The method according to 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, 반응 온도가 30 내지 120℃임을 특징으로 하는 방법The method of claim 1, wherein the reaction temperature is 30 to 120 ℃ 제1항에 있어서, 반응 온도가 5 내지 100℃임을 특징으로 하는 방법.The method of claim 1 wherein the reaction temperature is 5 to 100 ° C. 하기 일반식(II)의 신규 할로 트리아진 또는 트리아진 유도체.Novel halo triazine or triazine derivatives of the general formula (II) below. 상기식에서, R2는 페닐기, 치환기 페닐기 또는 나프탈기를 나타내고, R3은 H 또는 C1-4-알킬기를 나타내며, X는 Cl 또는를 나타내고, 여기서 R2는 페닐기, 치환된 페닐기 또는 나프틸기를 나타내며, R3은 H 또는 C1-4-알킬기를 나타낸다.Wherein R 2 represents a phenyl group, a substituent phenyl group or a naphthal group, R 3 represents H or a C 1-4 -alkyl group, and X represents Cl or In which R 2 represents a phenyl group, a substituted phenyl group or a naphthyl group, and R 3 represents H or a C 1-4 -alkyl group. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027159A 1994-10-24 1994-10-24 Process for preparing benzodifuranone compounds KR0131038B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940027159A KR0131038B1 (en) 1994-10-24 1994-10-24 Process for preparing benzodifuranone compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940027159A KR0131038B1 (en) 1994-10-24 1994-10-24 Process for preparing benzodifuranone compounds

Publications (2)

Publication Number Publication Date
KR960014127A true KR960014127A (en) 1996-05-22
KR0131038B1 KR0131038B1 (en) 1998-04-17

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KR1019940027159A KR0131038B1 (en) 1994-10-24 1994-10-24 Process for preparing benzodifuranone compounds

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KR0131038B1 (en) 1998-04-17

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