G. Dellemonache et al., CONVENIENT PREPARATION OF O-BENZYL-N-CBZ-D-SERINOL, AN INTERMEDIATE IN BETA-HYDROXY-ALPHA-AMINO ACID SYNTHESIS, Synthesis, (9), 1995, pp. 1155
A convenient preparation of )-3-benzyloxy-2-[(benzyloxycarbonyl)amino]
propanol (2) in 52% yield, employing cheap L-serine as starting materi
al, is described. Conversion of 2 into methyl enzyloxy-4-[(benzyloxyca
rbonyl)amino]pent-2-enoate (1) is reported.