(2R,3R,3aS,9aR)-3-(tert-Butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-7-methyl-2,3,3a,7,8,9a-hexahydro-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-6-one 在
potassium tert-butylate 、
氧气 、
三甲氧基磷 作用下,
以
N,N-二甲基甲酰胺 、
乙腈 为溶剂,
反应 6.0h,
生成
2,2-Dimethyl-propionic acid (2R,3R,4R,5R)-4-chloro-3-hydroxy-5-(5-hydroxy-5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester