Journal of the American Chemical Society p. 4486 - 4494 (1989)
Update date:2022-08-02
Topics:
Buchwald, Stephen L.
Watson, Brett T.
Wannamaker, M. Woods
Dewan, John C.
A general method for the preparation of zirconocene complexes of imines has been developed.The X-ray crystal structure of the (trimethylsilyl)benzaldimine complex 2b shows that these complexes should be viewed as metallaaziridenes due to significant ?-donation from the zirconium center to the ?* orbitals of the coordinated imine.These complexes undergo a number of chemo-, regio-, and diastereoselective coupling reactions with unsaturated organic compounds to cleanly form metallacyclic compounds.In situ generation of the complexes followed by coupling with alkynes and hydrolysis affords a general route to geometrically pure allylic amines.
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(1989)
