Oxalic acid (2R,3S,5S)-5-(tert-butyl-dimethyl-silanyloxymethyl)-3-methyl-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester methyl ester 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
甲苯 为溶剂,
反应 1.0h,
生成
1-[(2R,3S,5S)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-3-methyl-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione