[EN] N-HETEROCYCLIC CARBENE CATALYZED SYNTHESIS OF N-PHENYLISOXAZOLIDIN-5-ONE DERIVATIVE AND SYNTHESIS OF ß -AMINO ACID ESTER DERIVATIVE [FR] SYNTHÈSE DE CARBÈNE N-HÉTÉROCYCLIQUE CATALYSÉ D'UN DÉRIVÉ DE N-PHÉNYLISOXAZOLIDINE-5-ONE ET SYNTHÈSE D'UN DÉRIVÉ D'ESTER DE ß-ACIDE AMINÉ
Organocatalytic Synthesis of N-Phenylisoxazolidin-5-ones and a One-Pot Synthesis of β-Amino Acid Esters
摘要:
A novel N-heterocyclic carbene (NHC)-catalyzed C-N bond formation by the reaction of alpha,beta-unsaturated aldehydes and nitrosobenzene to N-phenylisoxazolidin-5-ones, followed by an acid-catalyzed esterification and Bamberger-like rearrangement in a mild one-pot protocol leads to N-p-methoxyphenyl (N-PMP) protected beta-amino acid esters.