Synthesis of a Bis(N-heterocyclic carbene)palladium Complex via Oxidative Addition of a C−C Bond in a Biimidazolium Ion

https://doi.org/10.1021/om0610546.s001
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posted on 2007-01-15, 00:00 authored by Murray V. Baker, David H. Brown, Valerie J. Hesler, Brian W. Skelton, Allan H. White

The formation of a cyclophane−NHC complex of Pd(II) via oxidative addition of a C−C bond in a bridged biimidazolium ion to Pd(0) is described. The active Pd(0) species appears to be [Pd(PPh3)2Br]-. Simple (unbridged) biimidazolium ions do not form NHC complexes under similar conditions.