KR900007813A - 5 (4) -hydroxymethylimidazole derivatives and preparation method thereof - Google Patents

5 (4) -hydroxymethylimidazole derivatives and preparation method thereof Download PDF

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Publication number
KR900007813A
KR900007813A KR1019880014963A KR880014963A KR900007813A KR 900007813 A KR900007813 A KR 900007813A KR 1019880014963 A KR1019880014963 A KR 1019880014963A KR 880014963 A KR880014963 A KR 880014963A KR 900007813 A KR900007813 A KR 900007813A
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South Korea
Prior art keywords
process according
formaldehyde
alkali catalyst
solvent
carbon atoms
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KR1019880014963A
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Korean (ko)
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박인협
이광혁
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손영희
제일제당 주식회사
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Priority to KR1019880014963A priority Critical patent/KR900007813A/en
Publication of KR900007813A publication Critical patent/KR900007813A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

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Description

5(4)-히드록시메틸이미다졸 유도체 및 그 염의 제조방법5 (4) -hydroxymethylimidazole derivatives and preparation method thereof

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

Claims (7)

구조식(Ⅰ)로 표현되는 이미다졸유도체와Imidazole derivatives represented by structural formula (I) (여기서, R은 수소원자 또는 탄소수가 1-3개인 알킬기이고, R1은 수소원자 또는 탄소수가 1-3개인 알킬기 또는 페닐기이다)(Wherein R is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R 1 is a hydrogen atom or an alkyl group or phenyl group having 1 to 3 carbon atoms) 포름알테히드를 알칼리촉매 존재하, 혼합용매 중에서 반응시킨 다음, 염화수소로 처리함을 특징으로 하는 구조식(Ⅱ)로 표현되는 5(4)-히드록시메틸이미다졸 유도체 및 그의 염의 제조방법.A method for producing a 5 (4) -hydroxymethylimidazole derivative represented by Structural Formula (II) characterized in that formaldehyde is reacted in a mixed solvent in the presence of an alkali catalyst and then treated with hydrogen chloride. (여기서, R과 R1은 구조식(Ⅰ)의 R, R1과 같다)(Wherein, R and R 1 are the same as R, R 1 of formula (Ⅰ)) 제1항에 있어서, 알칼리 촉매는 가성소오다, 중탄산나트륨, 탄산나트륨, 가성칼륨, 탄산칼륨 등으로부터 선택됨을 특징으로 하는 제조방법.The process according to claim 1, wherein the alkali catalyst is selected from caustic soda, sodium bicarbonate, sodium carbonate, caustic potassium, potassium carbonate and the like. 제1항에 있어서, 알칼리 촉매는 이미다졸유도체의 0.1-0.3배량을 사용함을 특징으로 하는 제조방법.The process according to claim 1, wherein the alkali catalyst uses 0.1-0.3 times the imidazole derivative. 제1항에 있어서, 용매는 물, 알코올(C1-C3), DMF, DMSO, 톨루엔의 혼합물로부터 선택됨을 특징으로 하는 제조방법.The process of claim 1 wherein the solvent is selected from a mixture of water, alcohol (C 1 -C 3 ), DMF, DMSO, toluene. 제1항에 있어서, 용매는 이미다졸 유도체의 5-7배량을 사용함을 특징으로 하는 제조방법.The method of claim 1, wherein the solvent is used 5 to 7 times the amount of the imidazole derivative. 제1항에 있어서, 반응을 50-90℃에서 행함을 특징으로 하는 제조방법.The process according to claim 1, wherein the reaction is carried out at 50-90 ° C. 제1항에 있어서, 포름알데히드는 20-37%의 포름알데히드수용액 또는 포름알데히드 중합체임을 특징으로 하는 제조방법.The process according to claim 1, wherein the formaldehyde is 20-37% aqueous formaldehyde solution or formaldehyde polymer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880014963A 1988-11-14 1988-11-14 5 (4) -hydroxymethylimidazole derivatives and preparation method thereof KR900007813A (en)

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KR1019880014963A KR900007813A (en) 1988-11-14 1988-11-14 5 (4) -hydroxymethylimidazole derivatives and preparation method thereof

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Application Number Priority Date Filing Date Title
KR1019880014963A KR900007813A (en) 1988-11-14 1988-11-14 5 (4) -hydroxymethylimidazole derivatives and preparation method thereof

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KR900007813A true KR900007813A (en) 1990-06-02

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