4-[(3aR,4R,6S,6aS)-6-(iodomethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-3-oxo-3,4-dihydro-2-pyrazinecarboxamide 、
bis<(pivaloyloxy)methyl> phosphate silver salt 以
甲苯 为溶剂,
反应 2.0h,
生成 2,2-dimethyl-propionic acid [(3AR, 4R, 6R, 6AR)-6-(3-carbamoyl-2-oxo-2H-pyrazine-1-yl)-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-ylmethoxy]-(2,2-dimethylpropionyloxymethoxy)-phosphoryloxymethyl ester