Novel Route to Ynamides: Stable Ligands Equivalent to Unstable Oxazol-4-Ylidenes.
Mendoza Espinosa, Daniel
2012
Ung, G.; Mendoza-Espinosa, D.; Bertrand G. Novel Route to Ynamides: Stable Ligands Equivalent to Unstable Oxazol-4-Ylidenes. Chem. Commun. 2012, 48, 7088-7090.
Abstract
Deprotonation of an oxazolium salt induces a ring opening process leading to the corresponding ynamide. Although the expected mesoionic carbene is not obtained, the acyclic ynamide readily reacts with various transition metals yielding robust mesoionic carbene complexes.
Artículos relacionados
Unimolecular rearrangements of ketene-O,O-acetals and fragmentations occurring in the gas phase
Aromatic Bromination versus Oxidation of Indolylmalonates by Bromine
Stereochemical assignment of naturally occurring 2,3-epoxy-2-methylbutanoate esters
Trapping enols of esters and lactones with diazomethane
Synthesis of Indolylindolines Mediated by tert-BuNH2
Absolute configuration determination of 2-(2-oxo-3-indolyl)acetamide derivatives
First Total Synthesis of ()-Flustraminol B
One-potsynthesis of conformationallyrestrictedspirooxindoles