Synthesis of 2-Ester-substituted-1,5-benzoxazepines and Studies on the By-product in the Reaction
Liu Qian, Zhao Lifei, Li Wenhong, Li Yuan
Chin. J. Org. Chem. . 2012, (11): 2122 -2128 .  DOI: 10.6023/cjoc201205034