A. Chadha et M. Manohar, ENZYMATIC RESOLUTION OF 2-HYDROXY-4-PHENYLBUTANOIC ACID AND 2-HYDROXY-4-PHENYLBUTENOIC ACID, Tetrahedron : asymmetry, 6(3), 1995, pp. 651-652
Racemic 2-hydroxy-4-phenylbutanoic acid and 2-hydroxy-4-phenyl-butenoi
c acid have been resolved using a lipase. In each ease, the (R)-2-hydr
oxy and the (S)-2-acetoxy acids were isolated with high enantiomeric e
xcess and yield.