Influence of anellation in N-heterocyclic carbenes: Novel quinoxaline-anellated NHCs trapped as transition metal complexes

The synthesis, NMR-, and crystal structure data of novel electron-deficient quinoxaline anellated imidazol-2-ylidene precursors and complexes thereof are reported and compared with related less electron-withdrawing or non-anellated N-hetero-cyclic carbenes and complexes to illustrate anellation effe...

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Bibliographic Details
Published inChemical communications (Cambridge, England) no. 6; pp. 640 - 642
Main Authors Saravanakumar, S, Kindermann, MK, Heinicke, J, Kockerling, M
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 14.02.2006
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
CATALYSIS
PALLADIUM
CRYSTALLINE CARBENE
LIGANDS
STABLE CARBENES
DIAMINOCARBENE
EQUILIBRIUM
HOMOLOGS
IMIDAZOLIUM SALTS
ELECTRONIC-STRUCTURE
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Summary:The synthesis, NMR-, and crystal structure data of novel electron-deficient quinoxaline anellated imidazol-2-ylidene precursors and complexes thereof are reported and compared with related less electron-withdrawing or non-anellated N-hetero-cyclic carbenes and complexes to illustrate anellation effects.
ISSN:1359-7345
1364-548X
DOI:10.1039/b512884f