上游原料
Ethyl 2-(diethoxyphosphoryl)acetate; Triethyl phosphonoacetateTriphenylphosphine; Triphenyl phosphine3-Bromopropionic acid(2-carboxyethyl)(triphenyl)phosphonium bromide(2S,3aR,4S,5R,6aS)-4-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-ol(Z)-5-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]-3-pentenoic acid5-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]pentanoic acidmethyl 5-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]pentanoate5-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]pentanalethyl (E)-7-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]-2-heptenoate(E)-7-[(1R,2S,3R,5S)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-hydroxy-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]-2-heptenoic acid(E)-7-[(1R,2S,3R)-2-[(E,3S)-4,4-dimethyl-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]-1-octenyl]-5-oxo-3-[(tetrahydro-2H-pyran-2-yloxy)methyl]cyclopentyl]-2-heptenoic acid(E)-7-[(1R,2R,3R)-3-hydroxy-2-[(E,3S)-3-hydroxy-4,4-dimethyl-1-octenyl]-5-oxocyclopentyl]-2-heptenoic acid