Highly stereoselective synthesis of novel cyclobutane-fused azanucleosides
作者:Ramon Flores、Ramon Alibés、Marta Figueredo、Josep Font
DOI:10.1016/j.tet.2009.06.067
日期:2009.8
Stereoselective syntheses of several 3-azabicyclo[3.2.0]heptane nucleoside analogues have been efficiently completed starting from a homochiral a,b-unsaturated-g-lactam. The target compounds were prepared by condensation of a common bicyclic acetate intermediate with pyrimidine and purine bases under modified Vorbrüggen conditions. The anti-HIV activity of the newly synthesized azanucleosides has been