4-(Methyl-{2-[5-oxo-3-(tetrahydro-pyran-2-yloxy)-cyclopent-1-enyl]-acetyl}-amino)-butyric acid tetrahydro-pyran-2-yl ester 、 在
溶剂黄146 作用下,
生成 4-(Methyl-{2-[5-oxo-2-[(E)-3-(tetrahydro-furan-2-yloxy)-oct-1-enyl]-3-(tetrahydro-pyran-2-yloxy)-cyclopentyl]-acetyl}-amino)-butyric acid tetrahydro-pyran-2-yl ester