Resolution process for (R)-(-)-2-hydroxy-2-(2-chlorophenyl) acetic acid
US7381835B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jun 14, 2002 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Jun 9, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C215/36
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The subject of the present invention is the preparation of the (R)-(−)-2-hydroxy-2-(2-chlorophenyl)acetic acid of the formula (I) by the resolution of the corresponding racemic compound by using the compounds of the general formula (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.