methyl 3-[4-(2-methoxy-2-oxoethyl)-5-methyl-2-(phenylmethoxycarbonylamino)-1H-pyrrol-3-yl]propanoate 在
air 作用下,
以
苯 为溶剂,
反应 24.0h,
以63%的产率得到3-{2-[(E)-Benzyloxycarbonylimino]-5-hydroxy-4-methoxycarbonylmethyl-5-methyl-2,5-dihydro-1H-pyrrol-3-yl}-propionic acid methyl ester