B–H Activation by frustrated Lewis pairs: borenium or boryl phosphonium cation?
Literature Information
Meghan A. Dureen, A. Lough, Thomas M. Gilbert, Douglas W. Stephan
Catechol borane reacts with the frustrated Lewis pairs tBu2RP (R = tBu, 2-C6H4(C6H5)) and B(C6F5)3 to give the species [(C6H4O2)BPtBu2R][HB(C6F5)3] that can formally be described as either borenium cation or boryl-phosphonium salts; the nature of these species was probed with DFT calculations.
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