(-)-6-[(5R)-allyl-(3S)-methyltetrahydrofuran-(2S)-yl]-(2S)-methylhexanoic acid 3-benzylidene-(5S)-methyl-7-phenyl-(1R)-propylhept-6-ynyl ester 在
臭氧 、
二甲基硫 、
三苯基膦 作用下,
以
二氯甲烷 为溶剂,
反应 3.67h,
以63%的产率得到(+)-(2S)-methyl-6-[(3S)-methyl-(5R)-(2-oxoethyl)tetrahydrofuran-(2S)-yl]hexanoic acid (5S)-methyl-3-oxo-7-phenyl-(1R)-propylhept-6-ynyl ester