Benzopyran derivatives
US6403594B1 · kind B1 · utility
3Cited by
6References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Oct 18, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel benzopyran derivatives of formula I, their N-oxides and pharmaceutically acceptable salts thereof. The compounds are endowed with enhanced selectivity for alpha1-adrenergic receptors and a low activity in lowering blood pressure. The compounds are useful in the treatment of obstructive syndromes of the lower urinary tract, including benign prostatic hyperplasia (BPH), and in the treatment of lower urinary tract symptoms (LUTS), neurogenic lower urinary tract dysfunction (NLUTD), and other conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.