Ethoxyethyl ether of E-1-iodo-1-octen-3-ol 、
2-(5-Methoxycarbonyl-2Z-pentenyl)-2-cyclopenten-1-one 在
1-pentynyl copper 、
n-butyllithium hexane 作用下,
生成 (Z)-6-{(1S,2S)-2-[(E)-3-(2-Ethoxy-ethoxy)-oct-1-enyl]-5-oxo-cyclopentyl}-hex-4-enoic acid methyl ester 、 Methyl ester of (+/-)-15-epi-11-deoxy-1-nor-Δ
5,13-prostaglandin-E2