上游原料
(3aR,4S,5R,6aS)-4-([[tert-butyl(dimethyl)silyl]oxy]methyl)-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-one2-[(3aR,4S,5R,6aS)-4-([[tert-butyl(dimethyl)silyl]oxy]methyl)-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]acetonitrilemethyl 4-oxobutanoatemethyl (E)-5-[(3aS,4S,5R,6aS)-4-([[tert-butyl(dimethyl)silyl]oxy]methyl)-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]-4,5,6,6a-tetrahydro-3aH-cyclopenta[b]furan-2-yl]-5-cyano-4-pentenoatemethyl 5-[(3aR,4S,5R,6aS)-4-([[tert-butyl(dimethyl)silyl]oxy]methyl)-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoatemethyl 5-[(3aR,4S,5R,6aS)-4-(hydroxymethyl)-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoatemethyl 5-[(3aR,4S,5R,6aS)-4-formyl-5-[(tetrahydro-2H-pyran-2-yloxy)methyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoatediethyl 3-methyl-2-oxoheptylphosphonatemethyl 5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E)-4-methyl-3-oxo-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E,3S)-3-hydroxy-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoateChlorosulfonyl isocyanatemethyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3R,4S)-3-hydroxy-4-methyloctyl]cyclopentyl]-5-heptenoatemethyl (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(3R,4R)-3-hydroxy-4-methyloctyl]cyclopentyl]-5-heptenoatemethyl 5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E,3S,4S)-3-hydroxy-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-yl]-5-iodopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E,3S,4R)-3-hydroxy-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-yl]-5-iodopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4S)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-yl]-5-iodopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4R)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-yl]-5-iodopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4S)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]pentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4R)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]pentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4S)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-6-[(chlorosulfonyl)amino]-6-oxohexanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4R)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-6-[(chlorosulfonyl)amino]-6-oxohexanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4S)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoatemethyl 5-[(3aR,4R,5R,6aS)-5-(acetoxy)-4-[(E,3S,4R)-3-(acetoxy)-4-methyl-1-octenyl]hexahydro-2H-cyclopenta[b]furan-2-ylidene]-5-cyanopentanoate