Organic Letters p. 1023 - 1026 (2002)
Update date:2022-08-03
Topics:
Vicario, Jose L.
Job, Andreas
Wolberg, Michael
Mueller, Michael
Enders, Dieter
(equation presented) The asymmetric total synthesis of (-)-callystatin A has been achieved. The key steps generating the stereogenic centers rely on the asymmetric α-alkylation of aldehydes or ketones exploiting the SAMP/RAMP hydrazone alkylation methodology, as well as an enzymatic enantioselective reduction of a 3,5-dioxocarboxylate. For the construction of the alkene moieties, highly selective Wittig or Horner-Wadsworth-Emmons reactions were employed.
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