、 7-[(S)-5-Oxo-3-(tetrahydro-pyran-2-yloxy)-cyclopent-1-enyl]-heptanoic acid methyl ester 生成
methyl 7-[(1R,2R,3S)-3-hydroxy-2-[(E,4R)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopentyl]heptanoate 、 methyl 7-[(1R,2R,3S)-3-hydroxy-2-[(E,4S)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopentyl]heptanoate