摘要:
An efficient synthesis of a beta-2'-deoxyribosyl-5 -[(trifluoromethanesulfonyl)oxy]pyrrolo[2,3-d]pyrimidine- 2,4-dione 9, starting from 6-chlorouracil, is presented along with its subsequent functionalization at C-5 using four types of palladium-catalyzed reactions.