N-[(Aminocarbonyl)methyl]-3',5'-di-O-benzoylthymidine-4'-carboxamide 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以88%的产率得到(2R,3S,5R)-3-Hydroxy-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-carboxylic acid carbamoylmethyl-amide