深蓝色荧光苯并呋喃并吲哚的绿色合成

虞喜翔, 叶栩彤, 邓睿, 龚跃法, 钟芳锐

Green Synthesis of Deep Blue Fluorescent Benzofuroindole

Xixiang Yu, Xutong Ye, Rui Deng, Yuefa Gong, Fangrui Zhong

表1 实验条件优化及结果

序号a 溶剂 催化剂及用量(CoCl2 + Cu(OTf)2) 温度/℃ E产率/% b 产物G收率/% b 1 CH2Cl2 10 mol% + 10 mol% r.t. 15 0 2 CH3CN 10 mol% + 10 mol% r.t. 10 0 3 EtOH 10 mol% + 10 mol% r.t. 52 14 4 EtOH 5 mol% + 10 mol% r.t. 63 19 5 EtOH 10 mol% + 20 mol% r.t. 54 29 6 EtOH 10 mol% + 20 mol% 40 22 65 7 EtOH 10 mol% + 20 mol% 50 0 84 8 EtOH 10 mol% + 20 mol% 60 0 70