Process for enantioselective synthesis of single enantiomers of thio-substituted arylmethanesulfinyl derivatives by asymmetric oxidation
US8183294B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jan 4, 2011 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Jan 4, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method for preparing a sulphoxide compound of formula (I) either as a single enantiomer or in an enantiomerically enriched form, comprising the steps of: wherein Ar, Y, R1 are as defined in claim 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.