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Reduction of methyl 3-chloro-2-oxo-3-phenylpropanoate with various reducing
agents gave syn- and anti-3-chloro-2-hydroxy-3-phenylpropanoates 3, which
underwent an efficient lipase-catalyzed resolution. All four diastereomers
were subsequently converted to N-benzoyl-(2R,3S)-3-phenylisoserine methyl e
ster, C-13 side chain analogues of paclitaxel (Taxol). (C) 2000 Elsevier Sc
ience Ltd. All rights reserved.