摘要:
Wieland-Miescher ketone derived unsaturated diols 4 reacted with Pb(OAc)(4) to furnish tricyclic enolether intermediate 6 which upon ozonolysis gave access to useful synthetic intermediates such as bicyclic lactone 7, methyl furanoside 8 and triol 9 (taxoid right-half precursors), depending on the solvent used during the ozonolysis and the nature of the following synthetic operation. (C) 1998 Elsevier Science Ltd. All rights reserved.