Chemical compounds
US5047404A · kind A · utility
18Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1989 |
| Grant date | Sep 10, 1991 |
| Priority date | — |
| Expiry date | Jun 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to fused pyrimidine derivatives which have bronchodilator and anti-allergic activities. A compound of the invention is 2-(2-propoxyphenyl)pyrido[2,3-d]pyrimid-4(3H)-one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.