Process for the purification of 2-phenyl-2-methyl-propanoic acid derivatives
US9334223B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Oct 3, 2014 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Oct 3, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the preparation of 2-phenyl-2-methyl propanoic acid derivatives, useful as intermediates in the preparation of fexofenadine hydrochloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.