Methyl 7-[3,5-Dihydroxy-2-phenylcarbamoyloxymethylcyclopentyl]hept-5-enoate 、
Methyl 7-[2-Benzylthiocarbamoyloxymethyl-3,5-bis(tetrahydropyran-2-yloxy)cyclopentyl]hept-5-enoate 、
4-甲基苯磺酸吡啶 以afforded 246.4 mg (91%) of the title compound的产率得到Methyl 7-[2-Benzylthiocarbamoyloxymethyl-3,5-dihydroxycyclopentyl]hept-5-enoate