Enantioselective conjugate addition of dialkyl phosphites to nitroalkenes

The Michael addition of dialkyl phosphites to nitroalkenes in the presence of heterobimetallic (S)-(-)-aluminum lithium bis(binaphthoxide), ALB, complex provided beta-nitrophosphonates, precursors to beta-aminophosphonic acids, in good to excellent enantioselectivities. (C) 2008 Elsevier Ltd. All rights reserved.