5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid
US4335048A · kind A · utility
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8References
2Claims
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Key dates
| Filing date | Feb 19, 1980 |
| Grant date | Jun 15, 1982 |
| Priority date | — |
| Expiry date | Feb 19, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is described the compound of formula I, ##STR1## and pharmaceutically acceptable derivatives thereof. Processes for making the compound and pharmaceutical, e.g. anti-asthmatic, compositions containing it are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.