KR930017893A - Method for preparing a reactive dye having a sulfoalkyl-hydroxy pyridone group - Google Patents

Method for preparing a reactive dye having a sulfoalkyl-hydroxy pyridone group Download PDF

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Publication number
KR930017893A
KR930017893A KR1019920002550A KR920002550A KR930017893A KR 930017893 A KR930017893 A KR 930017893A KR 1019920002550 A KR1019920002550 A KR 1019920002550A KR 920002550 A KR920002550 A KR 920002550A KR 930017893 A KR930017893 A KR 930017893A
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South Korea
Prior art keywords
compound
general formula
following general
carbon atoms
alkyl group
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KR1019920002550A
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Korean (ko)
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KR950008051B1 (en
Inventor
양재문
손병기
공명도
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최근선
주식회사 럭 키
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Priority to KR1019920002550A priority Critical patent/KR950008051B1/en
Publication of KR930017893A publication Critical patent/KR930017893A/en
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Publication of KR950008051B1 publication Critical patent/KR950008051B1/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
    • C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)

Abstract

본 발명은 하기 일반식(Ⅱ)의 화합물과 하기 일반식(Ⅳ)의 화합물을 아질산 나트륨 및 진한 염산의 존재하에서 디이조 커플링하여 하기 일반식(Ⅴ)의 화합물을 제조한 다음, 이를 설포알킬화시킴을 특징으로 하여 하기 일반식(Ⅰ)로 표시되는 화합물을 제조하는 방법에 관한 것이다.The present invention provides a compound of the following general formula (V) by dizo-coupling a compound of the following general formula (II) and a compound of the following general formula (IV) in the presence of sodium nitrite and concentrated hydrochloric acid, followed by sulfoalkylation. It is related with the method of manufacturing the compound represented by following General formula (I) characterized by the chemistry.

상기 식에서, R1및 R2는 각각 독립적으로 탄소수 1 내지 4개인 알킬기를 나타내고, R3는 수소, 탄소수 1내지 4개인 알킬기 또는 아릴기를 나타낸다.In the above formula, R 1 and R 2 each independently represent an alkyl group having 1 to 4 carbon atoms, and R 3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group.

상기 일반식(Ⅰ)의 화합물은 노란색의 반응성 아조염료로서 면직물의 날염에 유용하다.The compound of formula (I) is useful for printing cotton fabrics as a yellow reactive azo dye.

Description

설포알킬-하이드록시 피리돈기를 같는 반응성 염료의 제조방법Method for preparing a reactive dye having the same sulfoalkyl-hydroxy pyridone group

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

Claims (4)

하기 일반식(Ⅱ)의 화합물과 하기 일반식(IV)의 화합물을 아질산 나트륨 및 진한 염산의 존재하에서 디아조 커플링하여 하기 일반식(V)의 화합물을 제조한 다음, 이를 설포알킬화시킴을 특징으로 하여 하기 일반식(I)로 표시되는 화합물을 제조하는 방법.A compound of the general formula (II) below and a compound of the general formula (IV) The method for producing the compound represented by the following General Formula (I). 상기 식에서, R1및 R1는 각각 독립적으로 탄소수 1 내지 4개인 알킬기를 나타내고, R3는 수소, 탄소수 1 내지 4개인 알킬기 또는 아릴기를 나타낸다.In the above formula, R 1 and R 1 each independently represent an alkyl group having 1 to 4 carbon atoms, and R 3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group. 제1항에 있어서, 설포알킬화 시약으로 알데히드 및 중아황산 나트륨의 합체를 사용함을 특징으로 하는 방법.The method of claim 1, wherein a combination of aldehyde and sodium bisulfite is used as the sulfoalkylation reagent. 제2항에 있어서, 설포알킬화 시약인 알데히드 및 중아황산 나트륨의 사용량이 일반식(V)의 화합물에 대하여각각 2 내지 5mole배임을 특징으로 하는 방법.The method according to claim 2, wherein the amount of aldehyde and sodium bisulfite, which are sulfoalkylation reagents, is 2 to 5 mole times with respect to the compound of general formula (V). 제1항에 있어서, 설포알킬화 반응온도가 60 내지 100℃이고, 반응 pH가 7.0 내지 9.5임을 특징으로 하는방법.The method of claim 1 wherein the sulfoalkylation reaction temperature is 60 to 100 ° C. and the reaction pH is 7.0 to 9.5. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920002550A 1992-02-20 1992-02-20 Preparation method of reactive dye having sulpho-alkyl-hydroxy-pridone group KR950008051B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920002550A KR950008051B1 (en) 1992-02-20 1992-02-20 Preparation method of reactive dye having sulpho-alkyl-hydroxy-pridone group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920002550A KR950008051B1 (en) 1992-02-20 1992-02-20 Preparation method of reactive dye having sulpho-alkyl-hydroxy-pridone group

Publications (2)

Publication Number Publication Date
KR930017893A true KR930017893A (en) 1993-09-20
KR950008051B1 KR950008051B1 (en) 1995-07-24

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KR1019920002550A KR950008051B1 (en) 1992-02-20 1992-02-20 Preparation method of reactive dye having sulpho-alkyl-hydroxy-pridone group

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KR950008051B1 (en) 1995-07-24

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