Stannylative Cycloaddition of Enynes Catalyzed by Palladium−Iminophosphine
Journal of the American Chemical Society2004Vol. 126(48), pp. 15650–15651
Citations Over TimeTop 19% of 2004 papers
Yoshiaki Nakao, Yasuhiro Hirata, Shinjiro Ishihara, Shinichi Oda, Tomoya Yukawa, Eiji Shirakawa, Tamejiro Hiyama
Abstract
Palladium-iminophosphine complex catalyzes stannylative cycloaddition of conjugated enynes using hexabutyldistannoxane as a stannylating agent to afford highly substituted 3-alkenylphenylstannanes regioselectively. Stannylative cross-cycloaddition reactions between different enynes or between enynes and diynes are also achieved. The reaction is successfully applied to a concise synthesis of alcyopterosin N, which has been isolated recently from sub-Antarctic soft coral, Alcyonium paessleri.
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