发明名称 Process for preparing 2,4,6-triamino-5-arylazopyrimidine
摘要 2,4,6-Triamino-5-arylazopyrimidine is prepared by, in a first step, reacting malononitrile with aryldiazonium salts to give the arylazomalononitrile and, in a second step, reacting the arylazomalononitrile with a guanidine while heating in the presence of a solvent.
申请公布号 CH651026(A5) 申请公布日期 1985.08.30
申请号 CH19820006408 申请日期 1982.11.04
申请人 LONZA AG, GAMPEL/WALLIS. GESCHAEFTSLEITUNG 发明人 O'MURCHU, COLM, DR.
分类号 C07D239/46;(IPC1-7):C07D239/50 主分类号 C07D239/46
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