Scheme 2From: Ultrasonic irradiation assisted efficient regioselective synthesis of CF3-containing pyrazoles catalyzed by Cu(OTf)2/Et3NA Proposed Mechanism for Cu(OTf)2/TEA-Catalyzed regioselective synthesis of pyrazole. A Proposed Mechanism for Cu(OTf) 2 /TEA-Catalyzed regioselective synthesis of pyrazole. Back to article page