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Asymmetric Total Syntheses of the Akuammiline Alkaloids (−)‐Strictamine and (−)‐Rhazinoline
Authors:Wenfei Li  Zhitao Chen  Di Yu  Xin Peng  Guohua Wen  Siqi Wang  Fei Xue  Xiao‐Yu Liu  Yong Qin
Abstract:Strictamine and rhazinoline are representative methanoquinolizidine‐containing akuammiline alkaloids that possess different stereochemistry at the C16 position. A unified approach to the enantioselective total syntheses of these two molecules is described. The key steps in this synthesis include a photocatalytic intra/intermolecular type II radical cascade reaction, a Tsuji–Trost allylation, a palladium‐ or nickel‐mediated cyclization, and a late‐stage intramolecular N‐alkylation reaction.
Keywords:Alkaloide  Kaskadenreaktionen  Photoredoxkatalyse  Totalsynthesen  Ü  bergangsmetalle
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