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An Olefin Cross-Metathesis Approach to Depudecin and Stereoisomeric Analogues
Iván Cheng-Sánchez1, Cristina García-Ruiz1, Guillermo A Guerrero-Vásquez1
1Department of Organic Chemistry, Faculty of Sciences, University of Malaga , Campus de Teatinos s/n, 29071, Malaga, Spain.
Abstract:
A new total synthesis of the natural product (-)-depudecin, a unique and unexplored histone deacetylase (HDAC) inhibitor, is reported. A key feature of the synthesis is the utilization of an olefin cross-metathesis strategy, which provides for an efficient and improved access to natural depudecin, compared with our previous linear synthesis. Featured by its brevity and convergency, our developed synthetic strategy was applied to the preparation of the 10-epi derivative and the enantiomer of depudecin, which represent interesting stereoisomeric analogues for structure-activity relationship studies.