Synthesis and Properties of Novel Azocalix[4]arene Derivatives with Azo and Imino Groups as the Lower Margin Chelating Arm
Fan Ping, Xu Shengming, Li Weiwei, Chen Chen, Ma Yanqiang
Chin. J. Org. Chem. . 2015, (7): 1514 -1519 .  DOI: 10.6023/cjoc201412031