1,1-Dimethylethyl 2,5-dihydro-4-hydroxy-5-oxo-1-pentyl-1H-pyrrole-3-carboxylate 、
盐酸羟胺 在
silica gel 、 dichloromethane ethanol 作用下,
以
吡啶 为溶剂,
反应 36.0h,
以to give the title compound (16.48 g, 89%) as a white solid的产率得到1,1-Dimethylethyl 4-(hydroxyimino)-5-oxo-1-pentyl-3-pyrrolidine carboxylate