Method for preparation of carbamic acid (R)-1-aryl-2-tetrazolyl-ethyl ester
US9434970B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | May 22, 2015 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | May 22, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a method for the preparation of carbamic acid (R)-1-aryl-2-tetrazolyl-ethyl esters, comprising the enantioselective enzyme reduction of a 1-aryl-2-tetrazolyl-ethyl ketone to form a (R)-1-aryl-2-tetrazolyl-ethyl alcohol and the carbamation of said alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.