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Design and syntheses of putative bioactive taxanes
Anastasia Nikolakakis1, Jian Hui Wu, Gerald Batist
1Human Health Research Center, INRS-Institut Armand-Frappier, Université du Québec, 531 Boulevard des Prairies, Laval, Québec, Canada H7V 1B7.
Bioorganic & Medicinal Chemistry
|May 2, 2002
Abstract:
Reduction of 5 alpha-hydroxy-7 beta,9 alpha,10 beta-triacetoxy-4(20), 11(12)-taxadien-13-one 1 with activated zinc in glacial acetic acid led to rearranged products, including compounds with double bonds at C3-C4, C10-C11 or with an epoxide at C11-C12. Molecular modeling studies suggested that addition of a side chain at C-20 or C-5 of the taxanes with a C3-C4 double bond might lead to bioactivity. Semi-syntheses and results of bioactivities are discussed.