发明名称 Process for the preparation of 1,2,4-triazole
摘要 Preparation of 1,2,4-triazole by reacting formamide and hydrazine in a molar ratio of 2:1 to 2.2:1, hydrazine or its hydrate being metered into excess formamide, preheated to 160 DEG -200 DEG , while maintaining the temperature, and then completing the reaction at 160 DEG -240 DEG C.
申请公布号 US4390704(A) 申请公布日期 1983.06.28
申请号 US19810281042 申请日期 1981.07.07
申请人 CHEMIE LINZ AKTIENGESELLSCHAFT 发明人 BEER, HANS
分类号 C07D243/28;C07D249/08;(IPC1-7):C07D249/08 主分类号 C07D243/28
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