1070793-48-4Relevant articles and documents
Formal cycloaddition of disubstituted ketenes with 2-oxoaldehydes catalyzed by chiral n-heterocyclic carbenes
He, Lin,Lv, Hui,Zhang, Yan-Rong,Ye, Song
, p. 8101 - 8103 (2008/12/22)
(Chemical Equation Presented) Chiral N-hetereocyclic carbenes were found to be efficient catalysts for the formal [2 + 2] cycloaddition reactions of alkyl(aryl)ketenes with 2-oxoaldehydes to afford β-lactones with α-quaternary-β-tertiary stereocenters in