A method for the synthesis of a variety of 2-hydroxy-2,3-trisubstitute
d succinates (I) is presented. The synthesis is achieved by the asymme
tric reactions of lithium, boron or titanium enolates of Evans' chiral
imides with alpha-keto esters. Copyright (C) 1996 The DuPont Merck Ph
armaceutical Company, Published by Elsevier Science Ltd