Chemistry Letters p. 3 - 4 (1998)
Update date:2022-08-03
Topics:
Shiina, Isamu
Saitoh, Katsuyuki
Frechard-Ortuno, Isabelle
Mukaiyama, Teruaki
Total asymmetric synthesis of Taxol was completed by dehydration condensation between a protected N-benzoylphenylisoserine 4 or 9 and 7-TES baccatin in which was prepared from 8-membered ring enone. Taxol side chains 4, 7, 9 and 11, optically active protected N-benzoylphenylisoserines, were successfully synthesized by enantioselective aldol reaction from two achiral starting materials, benzaldehyde and an enol silyl ether derived from S-ethyl benzyloxyethanethioate.
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