Chemoenzymatic Total Synthesis and Structural Revision of Ampelomins B, D, E, and epi-Ampelomin B
Carolina Brindisi, Silvana Vázquez, Leopoldo Suescun
1Instituto Universitario de Bio-Orgánica Antonio González, Departamento de Química Orgánica , Universidad de La Laguna , Avda. Astrofísico Francisco Sánchez 2 , 38206 La Laguna , Spain.
Abstract:
Enantioselective synthesis of ampelomin B and epi-ampelomin B, D, and E was accomplished starting from toluene, through a chemoenzymatic sequence, in which stereoselective hydrogenation, Mitsunobu reaction, and regio- and stereoselective nucleophilic opening of an epoxide were used as the main transformations. Structural revision and absolute configuration of the natural compounds were carried out.
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