Studies on Synthetic Nucleosides. IV. A New Synthetic Method of Pyrimidine and Purine Ribosides

Abstract

A new synthetic method of pyrimidine and purine ribosides was introduced. Condensation of tribenzoylribofuranosyl chloride with trimethylsilyl derivatives of pyrimidines and purines and then deacylation furnished natural ribose nucleosides in good yields. In the syntheses of uridine and ribofuranosylthymine, α-isomers were also isolated and the determinations of the structures were described.