Technology relates to a Chemoenzymatic process for the stereoselective preparation of both enantiomers of 3-hydroxy-3-(2-thienyl) propanenitrile, which are optically pure intermediates for the synthesis of both enantiomers of duloxetine in high enantiomeric excess.
Patent Number: 7045341, Granted Indian and EP Patent.
For more details about technology: Click here