Sodium borohydride reduction of 3-chloro-1-(2-thienyl)-1-propanone gave the
corresponding racemic alcohol which was kinetically resolved with lipase B
from Candida antarctica as catalyst to yield the chiral building blocks (S
)-3-chloro-l-(2-thienyl)-1-propanol and the corresponding (R)-butanoate. Th
e enantiopure chiral building blocks were converted into Duloxetine and its
enantiomer. 2000. (C) 2000 Wiley-Liss, Inc.