上游原料
tert-butyl 4-(4-methyl-3-oxopentyl)phenylcarbamatetert-butyl propionate3-[4-[(tert-butoxycarbonyl)amino]phenethyl]-3-hydroxy-4-methylpentanoic acid(3S)-3-[4-[(tert-butoxycarbonyl)amino]phenethyl]-3-hydroxy-4-methylpentanoic acid ethyl (5S)-5-[4-[(tert-butoxycarbonyl)amino]phenethyl]-5-hydroxy-6-methyl-3-oxoheptanoatetert-butyl 4-[2-[(2S)-4-hydroxy-2-isopropyl-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]phenylcarbamateS-[2-(tert-butyl)-4-(hydroxymethyl)-5-methylphenyl] 4-methylbenzenesulfonothioatetert-butyl 4-[2-((2S)-5-[[2-(tert-butyl)-4-(hydroxymethyl)-5-methylphenyl]sulfanyl]-4-hydroxy-2-isopropyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl]phenylcarbamate4-Nitrobenzaldehydebenzyl acetatemethyl 4-methyl-3-oxopentanoate4-methyl-3-oxopentanoic acid1-hydroxy-4-methyl-1-(4-nitrophenyl)-3-pentanone4-methyl-1-(4-nitrophenyl)-3-oxopentyl acetate(E)-4-methyl-1-(4-nitrophenyl)-1-penten-3-onebenzyl (E)-3-hydroxy-3-isopropyl-5-(4-nitrophenyl)-4-pentenoate3-(4-aminophenethyl)-3-hydroxy-4-methylpentanoic acid3-[4-(acetamido)phenethyl]-3-hydroxy-4-methylpentanoic acid