Matches in SemOpenAlex for { <https://semopenalex.org/work/W1988254927> ?p ?o ?g. }
- W1988254927 endingPage "1891" @default.
- W1988254927 startingPage "1882" @default.
- W1988254927 abstract "Five imidazol(in)ium-2-dithiocarboxylates bearing cyclohexyl, mesityl, or 2,6-diisopropylphenyl substituents on their nitrogen atoms were prepared from the corresponding N-heterocyclic carbenes (NHCs) by reaction with carbon disulfide. They were characterized by IR, UV/Vis, and NMR spectroscopy, and by thermogravimetric analysis. Their molecular structures were determined by X-ray diffraction. For the sake of comparison, tricyclohexylphosphonium dithiocarboxylate was also examined. The data acquired were scrutinized to evaluate their usefulness for assessing the steric and electronic properties of NHC ligands. Because of their outstanding ability to crystallize, the five NHC·CS2 betaines were found to be highly suitable for probing the steric influence of nitrogen atom substituents on imidazolylidene-based ligand precursors via XRD analysis, while the corresponding NHC·CO2 adducts were deemed more appropriate for evaluating the σ-donating properties of carbene ligands.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)" @default.
- W1988254927 created "2016-06-24" @default.
- W1988254927 creator A5004559759 @default.
- W1988254927 creator A5030153568 @default.
- W1988254927 creator A5068422233 @default.
- W1988254927 date "2009-04-15" @default.
- W1988254927 modified "2023-09-28" @default.
- W1988254927 title "Assessing the Potential of Zwitterionic NHC·CS2Adducts for Probing the Stereoelectronic Parameters of N-Heterocyclic Carbenes" @default.
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