Reinvestigation of the Addition of Methylmagnesium Iodide to the Benzoylformate of Enantiomerically Pure 1,1′-Binaphthyl-2-ol Prepared by Enzymatic Kinetic Resolution

Abstract
A lipase from pseudomonas was found to catalyze almost completely enantioselective hydrolysis of the valerate of racemic 1,1′-binaphthyl-2-ol (1). The Prelog’s atrolactic acid synthesis by use of (aR)-1 induced S-chirality with much lower levels of optical yields (3–17%) than that reported previously (85%).