Method for preparing 6-phenyl-triazolo or imidazolo-(2,3,4)-benzotriazepines and the novel intermediates used therewith
US4237049A · kind A · utility
1Cited by
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1Claims
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Key dates
| Filing date | Oct 16, 1978 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Oct 16, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D255/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel triazolo- or imidazo-benzotriazepines are prepared from 1,3,4-benzotriazepine-2-thiones which in turn are prepared from a 2-aminobenzophenone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.