Chelating monoborane phosphines: Rational and high-yield synthesis of [(COD)Rh{(eta(2)-BH3)Ph2PCH2PPh2}][PF6] (COD=1,5-cyclooctadiene)

M Ingleson, N J Patmore, Giuseppe D Ruggiero, C G Frost, M F Mahon, Michael C Willis, Andrew S Weller

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52 Citations (SciVal)


The rational and high-yield synthesis of [(COD)Rh{(eta (2)-BH3)Ph2PCH2PPh2}][PF6] (1), which bears a chelating monoborane phosphine, is reported; the solid-state structure shows that the borane coordinates to the metal via two 2e-3c B-H-Rh bonds, which in solution at room temperature are fluxional between all three B-H bonds. Complex 1 is isolated as an air-stable crystalline salt, and its applicability as a catalyst in organic synthesis has been demonstrated in the coupling of boronic acids with enones.
Original languageEnglish
Pages (from-to)4434-4436
Number of pages3
Issue number21
Publication statusPublished - 15 Oct 2001


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