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
Configuration, stereodynamics and crystal structure of 3-substituted-2-oxofuro[2,3-b]indoles
Unimolecular rearrangements of ketene-O,O-acetals and fragmentations occurring in the gas phase
Synthesis of 6-bromo-2-arylindoles using 2-iodobenzoic acid as precursor
13C NMR and crystallographic evidence of push-pull effects in furoindolic ?-enamino esters
Regioselective Synthesis of 3-Indolyl(alkoxy)acetates
Stereochemical assignment of naturally occurring 2,3-epoxy-2-methylbutanoate esters