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The First Carbene Complex of a Diorganoberyllium:  Synthesis and Structural Characterization of Ph2Be(i-Pr-carbene) and Ph2Be(n-Bu2O)

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posted on 17.07.2006, 00:00 by Jochen Gottfriedsen, Steffen Blaurock
The reaction of base-free Ph2Be with 1,3-di-isopropyl-4,5-dimethylimidazol-2-ylidene (i-Pr-carbene) in toluene gave the carbene adduct Ph2Be(i-Pr-carbene) (1) as colorless crystal blocks. For comparison, the di-n-butyl ether adduct Ph2Be(n-Bu2O) (2) was prepared from BeCl2 and PhLi in a mixture of Et2O and n-Bu2O. Single-crystal X-ray determinations reveal monomeric solid-state structures for both complexes.

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