Process for preparing (1-oxo-2-cyclopentyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid
US3981911A · kind A · utility
2Cited by
2References
6Claims
0Family size
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Key dates
| Filing date | Feb 15, 1974 |
| Grant date | Sep 21, 1976 |
| Priority date | — |
| Expiry date | Feb 15, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing (1-oxo-2-cyclopentyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid comprising reacting 5-cyclopentyl-5-methyl-2-cyclopentenone with a 4-carbon conjugated (open or cyclic) diene bearing vicinal chlorines adjacent to an ether group; aromatizing the resulting adduct to yield the desired indanone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.