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
Stereochemical assignment of naturally occurring 2,3-epoxy-2-methylbutanoate esters
Synthesis of Acetamido(indol-3-yl)propanol Derivatives
Synthesis of 6-bromo-2-arylindoles using 2-iodobenzoic acid as precursor
Cleavage of alkoxycarbonyl protecting groups from carbamates by t-BuNH2
Unimolecular rearrangements of ketene-O,O-acetals and fragmentations occurring in the gas phase
Role of lipid peroxidation in biliary obstruction in the rat
Synthesis of Bromoindole Alkaloids from Laurencia brongniartii