Synthesis of N, N'-bis (thioether)-functionalized imidazolium salts: their reactivity towards Ag and Pd complexes and first S, C NHC, S free carbene

C Fliedel, A Sabbatini, P Braunstein - Dalton Transactions, 2010 - pubs.rsc.org
C Fliedel, A Sabbatini, P Braunstein
Dalton Transactions, 2010pubs.rsc.org
The synthesis of bis (thioether)-functionalized imidazolium salts, the characterisation of the
first S, CNHC, S free carbene ligand and the corresponding Ag (I) and Pd (II) functional
carbene complexes are reported. The latter have been prepared from the isolated Ag (I)
carbene complexes using the transmetallation procedure or by reaction of the imidazolium
salts with [PdCl2 (COD)], followed by deprotonation of the intermediate in which both
thioether functions are coordinated to Pd (II).
The synthesis of bis(thioether)-functionalized imidazolium salts, the characterisation of the first S,CNHC,S free carbene ligand and the corresponding Ag(I) and Pd(II) functional carbene complexes are reported. The latter have been prepared from the isolated Ag(I) carbene complexes using the transmetallation procedure or by reaction of the imidazolium salts with [PdCl2(COD)], followed by deprotonation of the intermediate in which both thioether functions are coordinated to Pd(II).
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