4-[2-(3-Methoxy-5-oxo-cyclopent-1-enyl)-acetylamino]-butyric acid tetrahydro-pyran-2-yl ester 、 在
溶剂黄146 作用下,
生成 4-{6a-Hydroxy-5-methoxy-2-oxo-4-[(E)-3-(tetrahydro-furan-2-yloxy)-oct-1-enyl]-hexahydro-cyclopenta[b]pyrrol-1-yl}-butyric acid tetrahydro-pyran-2-yl ester