Convenient and Stereoselective Synthesis of Symmetrical (E)-Stilbenes via Homocoupling of 1,3-Dibenzylbenzotriazolium Bromides - Xiao, Xiaohui; Lin, Daqin; Tong, Shuitian; Luo, Hong; He, Yinfeng; Mo, Hailan (Synlett, 2011)