Oxidative addition of boron-boron, boron-chlorine and boron-bromine bonds to platinum(0)

William Clegg, Fiona J. Lawlor, Gerry Lesley, Todd B. Marder, Nicholas C. Norman, A. Guy Orpen, Michael J. Quayle, Craig R. Rice, Andrew J. Scott, Fabio E.S. Souza

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Abstract

The synthesis and spectroscopic characterisation of the new diborane(4) compounds B2(1,2-O2C6Cl4)2 and B2(1,2-O2C6Br4)2 are reported together with the diborane(4) bis-amine adduct [B2(calix)(NHMe2)2] (calix = Butcalix[4]arene). B-B bond oxidative addition reactions between the platinum(0) compound [Pt(PPh3)2(η-C2H4)] and the diborane(4) compounds B2(1,2-S2C6H4)2, B2(1,2-O2C6Cl4)2 and B2(1,2-O2C6Br4)2 are also described which result in the platinum(II) bis-boryl complexes cis-[Pt(PPh3)2{B(1,2-S2C6H 4)}2], cis-[Pt(PPh3)2{B(1,2-O2C6Cl 4)}2] and cis-[Pt(PPh3)2{B(1,2-O2C6Br 4)}2] respectively, the former two having been characterised by X-ray crystallography. In addition, the platinum complex [Pt(PPh3)2(η-C2H4)] reacts with XB(1,2-O2C6H4) (X = Cl, Br) affording the mono-boryl complexes trans-[PtX(PPh3)2{B(1,2-O2C6H 4)}] as a result of oxidative addition of the B-X bonds to the Pt(0) centre; the chloro derivative has been characterised by X-ray crystallography.

Original languageEnglish
Pages (from-to)183-192
Number of pages10
JournalJournal of Organometallic Chemistry
Volume550
Issue number1-2
DOIs
Publication statusPublished - 15 Jan 1998
Externally publishedYes

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    Clegg, W., Lawlor, F. J., Lesley, G., Marder, T. B., Norman, N. C., Orpen, A. G., Quayle, M. J., Rice, C. R., Scott, A. J., & Souza, F. E. S. (1998). Oxidative addition of boron-boron, boron-chlorine and boron-bromine bonds to platinum(0). Journal of Organometallic Chemistry, 550(1-2), 183-192. https://doi.org/10.1016/S0022-328X(97)00233-7