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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
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우레아 유도체의 제조방법Method for preparing urea derivative
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (3)
다음 구조식(Ⅱ)의 이소시아네이트 유도체를 디메틸아민수용액과 반응시켜서 다음 구조식(I)의 우레아 유도체를 제조하는 방법.A method of preparing a urea derivative of the following formula (I) by reacting an isocyanate derivative of the following formula (II) with an aqueous dimethylamine solution.식중, X 및 Y는 각각 수소, C1-C3의 저급알킬 또는 할로겐이다.Wherein X and Y are each hydrogen, lower alkyl or halogen of C 1 -C 3 .제1항에서 디메틸아민의 30%(중량)이상의 수용액을 사용하는 방법.The method of claim 1, wherein at least 30% (weight) of an aqueous solution of dimethylamine is used.구조식(Ⅱ)의 이소시아네이트 디메틸아민수용액과 반응시킴에 있어서, 저급 케톤류, 할로겐화탄화수소류 또는 에스테르류에서 선택된 용매중에서 반응시키는 방법.A method for reacting with an aqueous solution of isocyanate dimethylamine of formula (II), which is carried out in a solvent selected from lower ketones, halogenated hydrocarbons or esters.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019748A1989-12-271989-12-27
Method for preparing urea derivative
KR910011770A
(en)