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Carbon−Carbon Bond Formation via the Transmetalation of an Alkenyl Group on Azazirconacyclopentene

1996; American Chemical Society; Volume: 15; Issue: 26 Linguagem: Inglês

10.1021/om960364t

1520-6041

Takahiro Honda, Miwako Mori,

Cyclopropane Reaction Mechanisms

The transmetalation of azazirconacyclopentene 1, prepared by inserting alkyne 8 into azazirconacyclopropane 7, was realized, and the zirconium−carbon bond of complex 1 was transformed to a carbon−carbon bond using a copper(I) salt. Thus, both allyl and formyl groups can be introduced into alkyne carbons in a highly stereoselective manner in a one-pot reaction.