Guodong Yin, Ling Fan, Tianbing Ren, Chunyang Zheng, Qing Tao, Anxin Wu and Nengfang She
Org. Biomol. Chem., 2012,10, 8877-8883
DOI:
10.1039/C2OB26642C,
Paper
An efficient synthesis of novel functionalized 2-aryl-4-(indol-3-yl)-4H-chromenes has been developed, in the presence of a catalytic amount of iodine, from easily available starting materials, 2-hydroxychalcone derivatives.