[difluoro-{1-[3,4-bis(acetoxy)-5-acetoxymethyltetrahydrofuran-2-yl]-2-oxo-1,2-dihydropyridin-4-yl}methyl]phosphonic acid diethyl ester 在
di(tert-butyl)chlorotinhydroxide dimer
甲醇 作用下,
反应 9.0h,
以81%的产率得到[difluoro{1-[3,4-bis-(acetyloxy)-5-hydroxymethyltetrahydrofuran-2-yl]-2-oxo-1,2-dihydro-pyridin-4-yl}methyl]phosphonic acid diethyl ester