上游原料
(4S)-2,2-dimethyl-1,3-dioxolane-4-carbaldehydeethyl 2-(diethoxyphosphoryl)-2-fluoroacetateethyl (E)-3-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-fluoro-2-propenoate(5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2(5H)-furanoneethyl (Z,4R)-4,5-bis[[tert-butyl(dimethyl)silyl]oxy]-2-fluoro-2-pentenoate(2R,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanol(2S,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanol(2S,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanyl acetate(2R,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanyl acetateN-(5-fluoro-2-oxo-1,2-dihydro-4-pyrimidinyl)benzamideN-[1-[(2R,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanyl]-5-fluoro-2-oxo-1,2-dihydro-4-pyrimidinyl]benzamideN-[1-[(2S,5R)-5-([[tert-butyl(dimethyl)silyl]oxy]methyl)-3-fluoro-2,5-dihydro-2-furanyl]-5-fluoro-2-oxo-1,2-dihydro-4-pyrimidinyl]benzamideN-[5-fluoro-1-[(2S,5R)-3-fluoro-5-(hydroxymethyl)-2,5-dihydro-2-furanyl]-2-oxo-1,2-dihydro-4-pyrimidinyl]benzamideethyl (Z)-3-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-fluoro-2-propenoate