3-Formylchromones
US4098799A · kind A · utility
1Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1974 |
| Grant date | Jul 4, 1978 |
| Priority date | — |
| Expiry date | Jun 19, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel 3-formylchromone derivatives are disclosed, substituted on the 5,6,7, or 8 positions by one or more of the following substituents: halogen, hydroxy, lower alkyl, lower alkoxy, lower acyl, lower acyloxy, or methylenedioxy. The corresponding 3-acetal or 3-hydrazone derivatives of the carboxaldehyde group are also disclosed. These compounds, and pharmaceutical compositions containing these compounds are useful for the treatment of allergic conditions and for the treatment of hyperacidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.