From C1 to C3: Copper-Catalyzed gem-Bis(trifluoromethyl)olefination of α-Diazo Esters with TMSCF3  Wang, Qian; Ni, Chuanfa; Hu, Mingyou; Xie, Qiqiang; Liu, Qinghe; Pan, Shitao; Hu, Jinbo* Angewandte Chemie, International Edition 2020, Accepted, DOI: 10.1002/anie.202002409.