Add time:07/29/2019         Source:sciencedirect.com

Complexes of the type, [(acac)Rh(ViSiR3)2] and [(acac)Rh(Vi2SiR2)], are readily prepared by displacement of ethylene from [(acac)Rh(C2H4)2]. The compounds, which are less reactive to air than similar carbon analogues, have been characterized by 1H and 13C NMR. The 13C NMR results suggest that the vinylsilane ligands function as better π-acceptors than do similar carbon analogues, and that dπpπ interactions between the silicon atom and the double bond are decreased upon coordination of the vinylsilane.

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