(3E,5Z)-7-[(1R,2R,3R,5S)-2-[(E)-(R)-4-Phenoxy-3-(tetrahydro-pyran-2-yloxy)-but-1-enyl]-3,5-bis-(tetrahydro-pyran-2-yloxy)-cyclopentyl]-hepta-3,5-dienoic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
碘   、                                                                                                  
对甲苯磺酸                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
16-phenoxy-17,18,19,20-tetranor-3,4-trans-5,6-trans-tetradehydroprostaglamdin F1α methyl ester