Producción Científica Profesorado

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

Reactivity of TpMe2Ir(C2H4)(DMAD) with carboxylic acids. A DFT study on geometrical isomers and stru...

Transesterifications mediated by t-BuNH2

Unimolecular rearrangements of ketene-O,O-acetals and fragmentations occurring in the gas phase

Conformationalstudies of N-carbomethoxy-2-alkoxyindolenines by dynamic NMR, crystallography, and mol...

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