Highly diastereoselective addition of lithium enolate of γ-substituted α-diazoacetoacetate to chiral N-sulfinyl imines has been developed. The addition products were further subjected to photo-induced Wolff rearrang...Highly diastereoselective addition of lithium enolate of γ-substituted α-diazoacetoacetate to chiral N-sulfinyl imines has been developed. The addition products were further subjected to photo-induced Wolff rearrangement or Rh(Ⅱ)-catalyzed intramolecular N-H insertion to afford chiral 4,5-disubstituted 2-oxo and 3-oxo pyrrolidines,respectively.展开更多
基金supported by the National Natural Science Foundation of China (20832002,20772003,20821062)the Ministry of Education of the People’s Republic of China,and National Basic Research Program of China (2009CB825300)
文摘Highly diastereoselective addition of lithium enolate of γ-substituted α-diazoacetoacetate to chiral N-sulfinyl imines has been developed. The addition products were further subjected to photo-induced Wolff rearrangement or Rh(Ⅱ)-catalyzed intramolecular N-H insertion to afford chiral 4,5-disubstituted 2-oxo and 3-oxo pyrrolidines,respectively.