Azapurinones
US3933822A · kind A · utility
14Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Jun 11, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
8-Azapurin-6-ones substituted in the 2-position by a phenyl group carrying in a meta-position a sulphamoyl substituent, and also a hydroxy, alkoxy or alkylthio substituent para with respect to the said sulphamoyl grouping, and pharmaceutically acceptable salts thereof, possess pharmacological properties useful in the treatment of allergic respiratory disorders, for example allergic bronchial asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.