上游原料
(Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(E,3S)-3-hydroxy-1-octenyl]cyclopentyl]-5-heptenoic acidbenzyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(E,3S)-3-hydroxy-1-octenyl]cyclopentyl]-5-heptenoatebenzyl (Z)-7-[(1R,5S,6R,7R)-3-butyl-7-[(E,3S)-3-hydroxy-1-octenyl]-2,4-dioxa-3-borabicyclo[3.2.1]oct-6-yl]-5-heptenoatebenzyl (Z)-7-[(1R,2R,3R,5S)-2-((E,3S)-3-[[tert-butyl(dimethyl)silyl]oxy]-1-octenyl)-3,5-dihydroxycyclopentyl]-5-heptenoatebenzyl (Z)-7-[(1R,5S,6R,7R)-7-((E,3S)-3-[[tert-butyl(dimethyl)silyl]oxy]-1-octenyl)-3-oxo-2,4-dioxabicyclo[3.2.1]oct-6-yl]-5-heptenoatebenzyl (Z)-7-[(1R,5S,6R,7R)-7-[(E,3S)-3-hydroxy-1-octenyl]-3-oxo-2,4-dioxabicyclo[3.2.1]oct-6-yl]-5-heptenoate(Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(E,3S)-3-hydroxy-1-octenyl]cyclopentyl]-5-heptenoic acidmethyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(E,3S)-3-hydroxy-1-octenyl]cyclopentyl]-5-heptenoatemethyl (Z)-7-[(1R,5S,6R,7R)-3-butyl-7-[(E,3S)-3-hydroxy-1-octenyl]-2,4-dioxa-3-borabicyclo[3.2.1]oct-6-yl]-5-heptenoatemethyl (Z)-7-[(1R,2R,3R,5S)-2-((E,3S)-3-[[tert-butyl(dimethyl)silyl]oxy]-1-octenyl)-3,5-dihydroxycyclopentyl]-5-heptenoatemethyl (Z)-7-[(1R,5S,6R,7R)-7-((E,3S)-3-[[tert-butyl(dimethyl)silyl]oxy]-1-octenyl)-3-oxo-2,4-dioxabicyclo[3.2.1]oct-6-yl]-5-heptenoate(1R,5S,6R,7R)-6-[(Z)-7-hydroxy-2-heptenyl]-7-[(E,3S)-3-hydroxy-1-octenyl]-2,4-dioxabicyclo[3.2.1]octan-3-one