Synthesis of Functionalized Coumarino[4,3-d]pyrazolo[3,4-b]pyridine Derivatives and Their Selective Recognition for Zn2+
Lin Wei, Cai Qi, Zheng Chunzhi, Zheng Yongxiang, Shi Daqing
Chin. J. Org. Chem. . 2017, (9): 2392 -2398 .  DOI: 10.6023/cjoc201702032