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.
Stadnichuk,T.V. et al., Journal of general chemistry of the USSR, 1964, vol. 34, p. 3318 - 3323
作者:Stadnichuk,T.V. et al.
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Wartanjan et al., Izvestiya Akademii Nauk Armyanskoi SSR, Khimicheskie Nauki, 1957, vol. 10, p. 125,127
作者:Wartanjan et al.
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Kolosov, E. Yu.; Stadnichuk, M. D., Journal of Organic Chemistry USSR (English Translation), 1981, vol. 17, # 6, p. 1047 - 1053