上游原料
2,5-Furandione; Maleic anhydride(4-Carboxybutyl)triphenylphosphonium bromideFuran(methoxymethyl)(triphenyl)phosphonium bromide(1R,2R,6S,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]decane-3,5-dione(1R,2R,6S,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]dec-8-ene-3,5-dione(1R,2R,6R,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]decan-3-one(1R,3S,6R,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]decan-3-ol(1R,3R,6R,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]decan-3-ol(1R,2R,3S,6R,7S)-4,10-dioxatricyclo[5.2.1.0(2,6)]decan-3-ol(1S,2R,5R,7R,8R)-4,11-dioxatricyclo[6.2.1.0(2,7)]undecan-5-olmethyl (Z)-7-[(1R,2R,3R,4S)-3-(hydroxymethyl)-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoate(1S,2S,3R,6S,7R)-4,10-dioxatricyclo[5.2.1.0(2,6)]decan-3-olmethyl (Z)-7-[(1R,2R,3S,4S)-3-formyl-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoatedimethyl 2-oxobutylphosphonate(Z)-7-[(1R,2R,3S,4S)-3-[(E)-3-oxo-1-pentenyl]-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoic acid(Z)-7-[(1R,2R,3S,4S)-3-[(E,3R)-3-hydroxy-1-pentenyl]-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoic acid
