METHOD FOR PREPARATION OF CARBAMIC ACID (R)-1-ARYL-2-TETRAZOLYL-ETHYL ESTER
申请人:Lim Sang Chul
公开号:US20100323410A1
公开(公告)日:2010-12-23
Disclosed is a method for the preparation of carbamic acid (R)-1-aryl-2-tetrazolyl-ethyl ester, comprising the asymmetric reduction of arylketone and the carbamation of alcohol.
Method For Preparing Aryl 2-Tetrazol-1-Yl Keto With Improved Selectivity
申请人:SK BIOPHARMACEUTICALS CO., LTD.
公开号:US20210122719A1
公开(公告)日:2021-04-29
The present disclosure relates to a method for preparing aryl 2-tetrazol-2-yl ketone of the following Formula 1a with improved selectivity:
wherein R
1
and R
2
are the same as defined herein.
Method for Preparation of Carbamic Acid (R)-1-Aryl-2-Tetrazolyl-Ethyl Ester
申请人:Lim Sang Chul
公开号:US20110111467A1
公开(公告)日:2011-05-12
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.
Method for Preparation of Carbamic Acid (R)-1-Aryl-2 Tetrazolyl-Ethyl Ester
申请人:SK Biopharmaceuticals Co. Ltd.
公开号:US20140073018A1
公开(公告)日:2014-03-13
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.