| 发明名称 |
PROCESS FOR PRODUCING 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. |
| 申请公布号 |
HU172343(B) |
申请公布日期 |
1978.08.28 |
| 申请号 |
HU1975CI01589 |
申请日期 |
1975.06.12 |
| 申请人 |
CIBA-GEIGY AG,CH |
发明人 |
BOEHNER,BEAT,CH;DAWES,DAG,CH;MEYER,WILLY,CH;FISCHER,HANSPETER,CH;PERCHAIS,JEAN,FR |
| 分类号 |
A01N;C07C255/66;C07D;C07D249/00;C07D249/08;C07D249/10;C07D249/12 |
主分类号 |
A01N |
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