Formation and Crystal Structure of a Cationic Mono(cyclopentadienyl) Complex of Calcium, [(C5Me5)Ca(OPPh3)3]+I-
Organometallics2001Vol. 20(17), pp. 3638–3640
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Abstract
When the neutral Lewis base triphenylphosphine oxide reacts with (C5Me5)CaI(thf)2 in THF, the halide is displaced from the calcium to generate the stable cation [(C5Me5)Ca(OPPh3)3]+. The latter exhibits a “piano stool” geometry and displays only modest air sensitivity.
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