Comparison of the Relative Electron-Donating Abilities of Hydridotris(pyrazolyl)borate and Cyclopentadienyl Ligands:  Different Interactions with Different Transition Metals

David M. Tellers, Steven J. Skoog, Robert G. Bergman, T. Brent Gunnoe, W. Dean Harman

Organometallics · 2000 · 128 citations · 32 references

Concepts

Abstract

A comparison of the electron-donating abilities of the hydridotris(pyrazolyl)borate ligand and cyclopentadienyl ligand toward transition metals is presented. These data demonstrate that there is no definitive trend in donor ability across the periodic table, and consequently generalizations about the relative donating abilities of the two ligands should be discouraged.

References

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