Triazole intermediates for tricyclic benzazepine and benzothiazepine derivatives
US5840895A · kind A · utility
15Cited by
2References
4Claims
0Family size
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Key dates
| Filing date | Jun 26, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jun 26, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formulae (II), (III), (IV) and (V) or salts thereof are intermediates for pharmacologically active tricyclic benzazepine and benzothiazepine derivatives, ##STR1## wherein R represents hydrogen, alkyl, phenylalkyl, or a protective group of a triazole ring, R.sup.1 -R.sup.5 represent hydrogen, alkyl, alkenyl, alkoxy, amino, oxim or hydroxyl, and R.sup.41 represents hydrogen, C.sub.1-6 alkyl which may be optionally substituted, or a protective group for a carboxyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.