Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2008
Patent Application Number
10807710
Date Filed
March 23, 2004
Patent Primary Examiner
Patent abstract
The present invention discloses an aminothiol compound having a general formula I wherein R1-R5 are substitutable ligands. Such compound can perform as a superior catalyst in an asymmetric addition reaction of organic metal compounds and aldehyde. According to the present invention, the aminothiol compound is needed only less than 0.02% based on main reactants to obtain enantioselectivity higher than 98% enantiomeric excess, whereby the asymmetric reactions can become very economic.
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