Highly Reduced Organometallics. 21. Halocarbonyls of Group 4 Elements. Synthesis, Characterization, and Molecular Structure of (C5Me5)Hf(CO)2(Me2PCH2CH2PMe2)Cl

Beatrice Kelsey Stein, Scott R. Frerichs, John E. Ellis

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Abstract

The first example of a stable halocarbonyl of a group 4 element has been synthesized, isolated, and characterized. Treatment of (C5Me5)HfCl3with sodium naphthalenide in the presence of Me2PCH2CH2PMe2at -60 °C in 1,2-dimethoxyethane followed by atmospheric pressure carbonylation provides (C5Me5)Hf(CO)2(dmpe)CI. The single-crystal X-ray structure of this material has been determined and is discussed in relation to spectroscopic data. Much less thermally stable zirconium and titanium analogues have also been prepared and are characterized on the basis of their spectroscopic properties.

Original languageEnglish (US)
Pages (from-to)2017-2018
Number of pages2
JournalOrganometallics
Volume6
Issue number9
DOIs
StatePublished - Sep 1 1987

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