Concepedia

New metallocene compounds of zirconium and hafnium showing unusual ansa-ligand coordination: X-ray crystal structures of [{(CH<sub>2</sub>)<sub>5</sub>C(η<sup>5</sup>-C<sub>5</sub>H<sub>4</sub>)(η<sup>2</sup>-C<sub>9</sub>H<sub>6</sub>)}Zr(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)Cl] and [{Me<sub>2</sub>C(η<sup>5</sup>-C<sub>5</sub>H<sub>4</sub>)(η<sup>3</sup>-C<sub>13</sub>H<sub>8</sub>)}Zr(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)Cl]

Gary M. Diamond, Malcolm L. H. Green, Philip Mountford, Neil A. Popham, Alexander N. Chernega

Journal of the Chemical Society Chemical Communications · 1994 · 24 citations · 8 references

DOI

Concepts

Abstract

The new ansa-bridged compounds [{Me2C(η5-C5H4)(η2-C9H6)}M(η5-C5H5)Cl], [{(CH2)5C(η5-C5H4)(η2-C9H6)}M(η5-C5H5)Cl](M = Zr, Hf) and [{[Me2C(η5-C5H4)(η3-C13H8)}Zr(η5-C5H5)Cl] show unusual modes of coordination of the indenyl or fluorenyl groups.

References

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