2-[[4-[(2-carboxyphenylmethyl)carbonylamino]phenyl]methyl]-4,4-dimethyl-3-isoxazolidinone 、
N,N'-二环己基碳二亚胺 在
ice 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以to yield 0.60 gram of 2-[[4-[(1H-2-benzopyran-1-one-3-yl)amino]phenyl]methyl]-4,4-dimethyl-3-isoxazolidinone的产率得到2-[[4-[(1H-2-benzopyran-1-one-3-yl)amino]phenyl]methyl]-4,4-dimethyl-3-isoxazolidinone