Certain 3-phenyl-benzofuran lower alkanoic acids and esters thereof
US4013692A · kind A · utility
2Cited by
1References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1975 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Nov 28, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzofurans and 2,3-dihydrobenzofurans optionally substituted at the 2 position by halogen or lower alkyl, substituted at the 3 position by optionally substituted phenyl, substituted on the benzo ring by a lower alkanoic acid group or a salt, ester or amide thereof, optionally substituted on the carbon of said lower alkanoic group bonded to the benzo ring, and optionally substituted on the benzo ring, are active anti-inflammatory, anti-pyretic and analgesic agents or are intermediates in the preparation of such agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.