An Easy Stereoselective Copper(I)-Catalyzed Synthesis of (E)-3-Trifluoromethylbut-2-en-3-ynoate via Palladium-Free Stille Coupling Reaction - Zine, Khalid; Petrignet, Julien; Thibonnet, Jérôme; Abarbri, Mohamed (Synlett, 2012)