(1H-tetrazol-5-yl)-2(1H)-quinolinones and-naphthyridones and antiallergic use thereof
US4735948A · kind A · utility
5Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1983 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Mar 25, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
(1H-Tetrazol-5-yl)-2(1H)-quinolones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of sodium azide and ammonium chloride with an appropriate 3-cyano-2(1H)-quinolinone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.