Reduction of ethyl 2-hydroxy-3-oxooctanoate with immobilised baker's yeast
at pH 4.0 yields anti-2R,3R-dihydroxy ester with high diastereoselectivity
and enantioselectivity (de 70%, ee 80%) which is conveniently converted to
(4S,5R)-5-hydroxy-gamma-decalactone. (C) 1999 Published by Elsevier Science
Ltd. All rights reserved.