发明名称 |
Process for the production of 1,2,4-triazole derivatives |
摘要 |
Process for the production of 1-alkyl-3-hydroxy-5-chloro-1,2,4-triazoles wherein an alkylhydrazine is reacted in an inert solvent in the presence of an acid binding agent with cyanogen chloride to 1-alkyl-1-cyanohydrazine which is subsequently cyclized with phosgene.
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申请公布号 |
US3992398(A) |
申请公布日期 |
1976.11.16 |
申请号 |
US19750583377 |
申请日期 |
1975.06.03 |
申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
BOHNER, BEAT;DAWES, DAG;MEYER, WILLY;PERCHAIS, JEAN;FISCHER, HANSPETER |
分类号 |
A01N;C07C255/66;C07D;C07D249/00;C07D249/08;C07D249/10;C07D249/12;(IPC1-7):C07D249/12 |
主分类号 |
A01N |
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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