发明名称 |
Process for the preparation of 2,4,6-triamino-5-arylazo- pyrimidines |
摘要 |
The process entails in a first step reacting malononitrile with an aryldiazonium salt to give the arylazomalononitrile and in a second step reacting the arylazomalononitrile with a guanidine in the presence of a solvent by heating.
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申请公布号 |
CH649292(A5) |
申请公布日期 |
1985.05.15 |
申请号 |
CH19820004474 |
申请日期 |
1982.07.22 |
申请人 |
LONZA AG, GAMPEL/WALLIS. GESCHAEFTSLEITUNG |
发明人 |
O'MURCHU, COLM, DR. |
分类号 |
C07D239/46;(IPC1-7):C07D239/46 |
主分类号 |
C07D239/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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