Remedy for erection failure comprising fused pyridazine compound
US6288064A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1999 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Feb 16, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invnetion provides a remedy for erectile dysfunction. The active ingredient thereof is a fused pyridazine compound represented by the following formula (I) or a pharmacologically acceptable salt thereof: ##STR1## (wherein the ring C represents a 5 or 6 membered ring optionally having hetero atom(s); n is an integer of from 1 to 4; R.sup.1 represents a hydrogen, a halogen, a cyano, etc.; A represents a hydrogen, a halogen, an optionally substituted amino, etc.; X represents a group represented by the formula --N.dbd., etc.; and Y represents the formula --CO--, an optionally substituted amino, etc).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.