Stereoselective Synthesis of Carbocyclic α-L-Homonucleosides

Abstract The synthesis of several optically pure carbocyclic α-L-isomeric homonucleosides [3a-e, 6a,b, 7a,b, 10a-d] is reported. The (1R, 5S)-2-oxabicyclo[3.3.0]oct-6-en-3-one 1 was used as a chiral starting material.