Patent: Asymmetric 1,4-reductions of and 1,4-additions to Enolates and Related Systems. 26Patent Authors: Buchwald, S.L.; Appella, D.H.; Moritani, Y.; Shintani, R.; Jurkauskas, V.U.S. Patent No. 6,787,655Date Issued: September 7, 2004Patent Title: Asymmetric 1,4-reductions of and 1,4-additions to Enolates and Related Systems.