I2-promoted tandem cyclization to synthesize polysubstituted pyrano[3,2-c]chromene-2,5-diones
Cai, Qun, Zhuang, Shiyi, Yang, Mian, Peng, Na, Liu, Yi, Wu, AnxinJournal:
Tetrahedron
DOI:
10.1016/j.tet.2019.130756
Date:
November, 2019
File:
PDF, 673 KB
2019