Catalyst‐ and Oxidant‐Free Electrochemical Regioselective Halogenation and Trifluoromethylation of 4H‐Pyrido[1,2‐a]pyrimidin‐4‐ones. - Su, Meiyun; Guo, Lina; Mao, Peiyu; Xiao, Meng; Liu, Wenjie; Wang, Shaohua (European Journal of Organic Chemistry, 2023)