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.
Transesterifications mediated by t-BuNH2
Unimolecular rearrangements of ketene-O,O-acetals and fragmentations occurring in the gas phase
One-potsynthesis of conformationallyrestrictedspirooxindoles
Stereochemical assignment of naturally occurring 2,3-epoxy-2-methylbutanoate esters
The absoluteconfiguration of cuauhtemone and related compounds
Synthesis of Bromoindole Alkaloids from Laurencia brongniartii
Absolute configuration determination of 2-(2-oxo-3-indolyl)acetamide derivatives
13C NMR and crystallographic evidence of push-pull effects in furoindolic ?-enamino esters