Thienopyran derivatives, their use for treating hypertension and asthma
US5077307A · kind A · utility
5Cited by
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8Claims
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Key dates
| Filing date | Jun 13, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Jun 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Thienopyran derivatives of the general formula ##STR1## in which the radial ##STR2## denotes one of the formulae ##STR3## R denotes hydrogen or a radical --CN, --CHO, --CH.dbd.NOH, --CONH.sub.2 or --COOR.sub.1, PA1 R.sub.1 denotes the radical (C.sub.1 -C.sub.4)-alkyl and n denotes an integer 3, 4 or 5, and a process for their preparation, pharmaceutical preparation and their use for the treatment of diseases which can be cured by activation of membrane K.sup.+ channels, such as high blood pressure and asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.