1-{3-O-Benzoyl-4-C-[(benzoyloxy)methyl]-2-deoxy-5-O-p-toluenesulfonyl-α-L-threo-pentofuranosyl}uracil 在
sodium methylate 、
硫代乙酸锂 作用下,
以
甲醇 为溶剂,
生成 1-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-5-mercaptomethyl-tetrahydro-furan-2-yl)-1H-pyrimidine-2,4-dione