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Application filed by 오재덕, 한국화약 주식회사filedCritical오재덕
Priority to KR1019900015076ApriorityCriticalpatent/KR920006325A/en
Publication of KR920006325ApublicationCriticalpatent/KR920006325A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
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5-(4-히드록시페닐) 히단토인의 제조방법Method for preparing 5- (4-hydroxyphenyl) hydantoin
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (1)
글리옥실산, 요소 및 페놀을 수성용매 중에서 반응시켜 5-(4-히드록시페닐) 히단토인을 제조함에 있어서, 반응을 산존재하에서 95℃ 내지 130℃의 온도에서 반응시킴을 특징으로 하는 5-(4-히드록시페닐) 히단토인의 제조방법.In preparing 5- (4-hydroxyphenyl) hydantoin by reacting glyoxylic acid, urea and phenol in an aqueous solvent, the reaction is carried out at a temperature of 95 ° C to 130 ° C in the presence of acid. Method for preparing (4-hydroxyphenyl) hydantoin.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900015076A1990-09-221990-09-22
Method for preparing 5- (4-hydroxyphenyl) hydantoin
KR920006325A
(en)
Procedure for obtaining N- (2-5-dimethylamine, methyl-2-furanyl-methyl-thio-ethyl-n'-methyl-s-nitro-etano-diamine. (Machine-translation by Google Translate, not legally binding)