Cyclopropane ring-openings metal-induced

Substitution of cyclopropane rings with the alkenyl group permits unique ring transformations based on metal coordination interaction with four -electrons. The transition-metal-induced ring-opening rearrangement also results in the formation of metallacycles. Further elaboration is attained by insertion and reductive elimination. 

Transition-metal-catalyzed ring-opening functionalizations of donor - acceptor cyclopropanes have also been developed (Table 2.2). Addition of carbon nucleophiles to activated VCPs 69b and 69c in the presence of iron catalysts induced ring opening of the three-membered ring [81, 82]. A palladium pincer complex catalyzed ring-opening borylation of VCP 69c with 62(011)4 to produce... 

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