Synthesis, Characterization, Isomerization, and Reactivity of Dimeric Cyclopentadienylnickel Amido Complexes

…, RA Andersen, RG Bergman

Index: Holland, Patrick L.; Andersen, Richard A.; Bergman, Robert G. Journal of the American Chemical Society, 1996 , vol. 118, # 5 p. 1092 - 1104

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Citation Number: 43

Abstract

The first cyclopentadienylnickel amido complexes have been isolated and characterized as [(η-C5Me4R') Ni (μ-NHR)] 2 (R= Ph, p-tol, 2, 6-xyl, tBu; R'= Me, Et). These complexes are dimers in solution and in the solid state, as shown by the synthesis of mixed amido complexes, by NMR spectroscopy, and by crystallographic studies on cis-[CpEtNi (μ-NH (p- tol))] 2 (cis-1'), trans-[CpEtNi (μ-NH (2, 6-xylyl))] 2 (trans-3'), and cis-[CpEtNi (μ-NHtBu)] 2 ( ...

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