上游原料
Bromo(isopentyl)magnesium2-(trimethylsilyl)-1-ethanol(E)-2-butenal2-(trimethylsilyl)ethyl 3-oxobutanoate2-(trimethylsilyl)ethyl 6-methyl-2-oxo-3-cyclohexene-1-carboxylate2-(trimethylsilyl)ethyl (1R,6S)-1-hydroxy-6-methyl-2-oxo-3-cyclohexene-1-carboxylate2-(trimethylsilyl)ethyl (1R,6S)-1,5-dihydroxy-6-methyl-2-oxo-3-cyclohexene-1-carboxylate2-(trimethylsilyl)ethyl (1R,6R)-1-hydroxy-6-methyl-2,5-dioxo-3-cyclohexene-1-carboxylate(7R)-2,8-bis[[tert-butyl(dimethyl)silyl]oxy]bicyclo[4.2.0]octa-1,3,5-trien-7-yl tert-butyl(dimethyl)silyl ether; [((7R)-2,8-bis[[tert-butyl(dimethyl)silyl]oxy]bicyclo[4.2.0]octa-1,3,5-trien-7-yl)oxy](tert-butyl)dimethylsilane2-(trimethylsilyl)ethyl (2R,3R,4aS,9R,9aR,10S)-8,9,10-tris[[tert-butyl(dimethyl)silyl]oxy]-2-hydroxy-3-methyl-1,4-dioxo-1,2,3,4,4a,9,9a,10-octahydro-2-anthracenecarboxylate2-(trimethylsilyl)ethyl (2R,3R)-8-[[tert-butyl(dimethyl)silyl]oxy]-2-hydroxy-3-methyl-1,4-dioxo-1,2,3,4-tetrahydro-2-anthracenecarboxylate2-(trimethylsilyl)ethyl (1R,2R,3R)-8-[[tert-butyl(dimethyl)silyl]oxy]-1,2-dihydroxy-1-isopentyl-3-methyl-4-oxo-1,2,3,4-tetrahydro-2-anthracenecarboxylate
