2,2-dimethylchromene derivatives, process for their preparation and pharmaceutical compositions in which they are present
US5391751A · kind A · utility
Inventors
Key dates
| Filing date | Aug 19, 1991 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Aug 19, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65586
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to 2,2-dimethylchromene derivatives of the formula: ##STR1## in which Z represents a halogen atom or a cyano, nitro, acetyl, phosphono or dialkoxyphosohoryl group, the alkoxy group containing 1 to 3 carbon atoms, and the pharmaceutically acceptable salts of the phosphono group. These compounds show an antihypertensive and antiarrythmic activity. The present invention also relates to a process for the preparation of said compounds and to the pharmaceutical compositions in which the are present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.