• Role of orbital symmetry in transition metal promoted ring opening reactions of methylenecyclopropanes and cyclobutenes

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    • Keywords


      Metal orbital catalysis; methylenecyclopropanes; cyclobutenes; ring opening reactions; orbital symmetry; transition metal

    • Abstract


      Transition metals catalyse a variety of organic reactions, of which the ring opening of strained ring organic molecules generated a lot of interest. Theoreticians predicted a metal orbital catalysed pathway, which involved concerted bond breaking and bond forming. On the other hand experimentalists were able to show that the reaction was not proceeding through a concerted pathway by intercepting the intermediates involved. There remained, however, two ring systems methylenecyclopropanes and cyclobutenes—whose reactions with metal complexes seemed to be of a concerted nature. An analysis of the reactions of different metal complexes with these ring systems and the theoretical predictions provide a rationale for understanding these reactions.

    • Author Affiliations


      Ashoka G Samuelson1

      1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore - S60012, India
    • Dates

  • Journal of Chemical Sciences | News

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