
pmid: 18642525
N-Heterocyclic carbenes (NHC) have become an important class of organocatalysts and class of ligands for transition-metal catalysis. In organocatalyzed umpolung reactions, thiazolium salt-derived NHC have been used successfully for decades. Even so, during recent years there has been an increased interest in NHC-catalyzed transformations and many new reactions have been developed. This article focuses on the use of NHC in the conjugate umpolung of alpha,beta-unsaturated aldehydes.
Models, Molecular, Aldehydes, Chemistry, Organic, Molecular Conformation, Stereoisomerism, Ketones, Ligands, Catalysis, Hydrocarbons, Imines, Acrolein, Organic Chemicals, Methane
Models, Molecular, Aldehydes, Chemistry, Organic, Molecular Conformation, Stereoisomerism, Ketones, Ligands, Catalysis, Hydrocarbons, Imines, Acrolein, Organic Chemicals, Methane
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