Enantioselective Synthesis of Bridged- or Fused-Ring Bicyclic Ketones by a Catalytic Asymmetric Michael Addition Pathway
作者:Duan Liu、Sungwoo Hong、E. J. Corey
DOI:10.1021/ja063332y
日期:2006.6.1
Efficient methodology has been developed for the conjugate addition of ketene acetals to cyclic alpha,beta-enones. The chiral adducts allow access to fused- or bridged-ring structures such as those shown.
DENMARK, SCOTT E.;HABERMAS, KARL L.;HITE, GARY A., HELV. CHIM. ACTA, 71,(1988) N 1, 168-194
作者:DENMARK, SCOTT E.、HABERMAS, KARL L.、HITE, GARY A.
DOI:——
日期:——
Studies of the Stereochemistry of [2+2]-Photocycloaddition Reactions of 2-Cyclohexenones with Olefins
作者:Ruichao Shen、E. J. Corey
DOI:10.1021/ol063092r
日期:2007.3.1
Stereochemical studies of the photocycloaddition of a chiral alpha,beta-enone and isobutylene lead to a working hypothesis for the geometry of the 3(pi-pi*) excited state of the enone. [reaction: see text]