Amino pyrimidin-7-yl substituted benzopyrans for treatment of hypertension
US5254555A · kind A · utility
8Cited by
10References
10Claims
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Key dates
| Filing date | Mar 19, 1992 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Mar 19, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula (I) or pharmaceutically acceptable salts thereof ##STR1## where R.sub.2 -R.sub.7, Y, a and b are as defined, are useful in the treatment of hypertension and respiratory tract disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.