(Z)-7-[(1R,2R,3R)-3-Hydroxy-2-((E)-(S)-3-hydroxy-3-methyl-oct-1-en-4-ynyl)-5-oxo-cyclopentyl]-hept-5-enoic acid methyl ester 在
吡啶 、
乙酸酐 作用下,
生成 (Z)-7-[(1R,2S)-2-((E)-(S)-3-Hydroxy-3-methyl-oct-1-en-4-ynyl)-5-oxo-cyclopent-3-enyl]-hept-5-enoic acid methyl ester