Abstract
The isomers of α-(cyclopentyl-1-ene)-α-hydroxy-α-phenylacetic acid esters derived from 3-azabicyclo[3,3,1]nonan-9α-ol ((R)-1 and (S)-1) were obtained in high enantiomeric excess by effective stereoselective synthesis from the chiral starting material, (S) or (R)-mandelic acid using pivaldehyde as a sterically hindered reagent
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