Process for the production of 1,2,4-triazole derivatives
US3992398A · kind A · utility
1Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1975 |
| Grant date | Nov 16, 1976 |
| Priority date | — |
| Expiry date | Jun 3, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C255/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.