Doxifluridine was facilely synthesized from 5-fluorouracil in overall yield of 54.6% via trimethyl silylation, condensation, saponification, ketal formation, iodation, hydrogenolysis and hydrolysis.
5-嘧啶为原经硅醚化、酰核糖缩合、皂化、酮缩醇形成、碘化、氢解及水解等反应合成了去氧苷。本法工艺简便、条件缓、原易得、成本低,总收率达54.6