Tetrazole intermediates to antihypertensive compounds
US4820843A · kind A · utility
38Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | May 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/2284
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Tetrazole intermediates useful to prepare antihypertensive compounds described in coassigned application U.S. Ser. No. 884,920, filed July 11, 1986, are described, these tetrazoles have the formula: ##STR1## wherein X.sup.1 and X.sup.2 are as described in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.