Palladium-catalysed biscyclisation of allenic bromoalkenes through a zipper-mode cascade |
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Authors: | Okano Akinori Mizutani Tsuyoshi Oishi Shinya Tanaka Tetsuaki Ohno Hiroaki Fujii Nobutaka |
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Institution: | Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan. |
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Abstract: | Treatment of allenic bromoalkenes bearing a nucleophilic moiety with a catalytic amount of palladium(0) in the presence of TBAF or Cs(2)CO(3) in MeCN affords bicyclic heterocycles in good to high yields, through zipper-mode cascade cyclisation. |
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