Reaction of RLi with lead(II) bromide affords the diaryl lead(II) compounds PbR2 (R1 = 2,4,6-triphenylphenyl, 1; R2 = 2,6-bis(1'-naphthyl)phenyl, 2), which have monomeric, carbene-like structures with bent two-coordinate Pb(II) centers.
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http://dx.doi.org/10.1039/b513401c | DOI Listing |
Dalton Trans
September 2022
Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
-acid/base adducts of -heterocyclic carbenes (NHCs) and the cyclic (alkyl)(amino)carbene cAAC (1-(2,6-di-iso-propylphenyl)-3,3,5,5-tetramethyl-pyrrolidin-2-ylidene) with selected lead(II) and lead(IV) compounds are presented. The reaction of the NHCs MeIm (1,3,4,5-tetramethyl-imidazolin-2-ylidene), iPrIm (1,3-di-isopropyl-4,5-dimethyl-imidazolin-2-ylidene), DippIm (1,3-bis-(2,6-di-isopropylphenyl)-imidazolin-2-ylidene) and cAAC (1-(2,6-di-iso-propylphenyl)-3,3,5,5-tetramethyl-pyrrolidin-2-ylidene) with PbI yielded the NHC-containing plumbylenes NHC·PbI (NHC = MeIm (1), iPrIm (2), DippIm (3) and cAAC·PbI (4)). Using the Pb(IV) compound PbClPh, the plumbane adducts NHC·PbClPh (NHC = MeIm (5), iPrIm (6), DippIm (7)) and cAAC·PbClPh (8)) were isolated in high yields.
View Article and Find Full Text PDFChem Commun (Camb)
January 2006
Department of Chemistry, University of Georgia, Athens, 30602-2556, USA.
Reaction of RLi with lead(II) bromide affords the diaryl lead(II) compounds PbR2 (R1 = 2,4,6-triphenylphenyl, 1; R2 = 2,6-bis(1'-naphthyl)phenyl, 2), which have monomeric, carbene-like structures with bent two-coordinate Pb(II) centers.
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