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Enantioselective total synthesis of (-)-erinacine B
Authors:Watanabe Hideaki  Takano Masashi  Umino Akinori  Ito Toshiya  Ishikawa Hiroyuki  Nakada Masahisa
Institution:Department of Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1, Ohkubo, Shinjuku, Tokyo 169-8555, Japan.
Abstract:The first enantioselective total synthesis of (-)-erinacine B has been achieved. Our approach features convergent construction of the 5-6-7 tricyclic cyathane core system via chiral building blocks prepared using asymmetric catalysis developed by us and highly stereoselective construction of all stereogenic centers in the aglycon. reaction: see text].
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