Pharmaceutical compositions comprising azapurinones useful in treating allergic respiratory disorders
US3987160A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 1973 |
| Grant date | Oct 19, 1976 |
| Priority date | — |
| Expiry date | May 29, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
8-Azapurin-6-ones substituted in the 2-position by an unsubstituted or substituted phenyl or naphthyl group, or by an alkenyl or alkynyl group, a cycloalkyl group, an alkyl group contaning 2 to 10 carbon atoms, or an alkyl group containing 1 to 10 carbon atoms carrying one or more substitutents selected from halogen atoms and hydroxy, cycloalkyl, alkoxy, phenyl and substituted phenyl groups, and pharmaceutically acceptable salts thereof, possess pharmacological properties useful, for example, in the treatment of allergic bronchial asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.