1-[(2R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-hydroxymethyl-tetrahydro-furan-2-yl]-5-methyl-dihydro-pyrimidine-2,4-dione 在
四氮唑 、
三乙胺 作用下,
以
四氢呋喃 、
乙腈 为溶剂,
生成 Phosphoric acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester (2R,3S,5R)-3-hydroxy-5-(5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester