Easy Synthesis and Different Conformational Behavior of Purine and Pyrimidine β-D-glycero-Pent-2'-enopyranosyl Nucleosides

Article abstract of DOI:10.1021/jo00129a035

Condensation of 3,4-bis-O-(p-nitrobenzoyl)-D-xylal with purines and pyrimidines (A, C, 6-chloropurine, G, T, U) without externally added acid catalyst leads to the 2',3'-unsaturated pentopyranosyl nucleosides in preparatively acceptable yields of both β a