hydrogenchloride; triethylamine 1.) 120 deg C, 5 h, 2.) 80 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;

hydrogenchloride; triethylamine 1.) 120 deg C, 5 h, 2.) 80 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;

With  potassium hydroxide in  methanol T=-30°C; 7 h;   

Multi-step reaction with 2 steps 1: 1.) BuLi / 1.) THF, 0 deg C, 30 min, 2.) 0 deg C, 30 min; room temp., 1 h2: 70 percent / KOH / methanol / 7 h / -30 °C  

Multi-step reaction with 4 steps 1: EtONa / ethanol2: 40 percent / (2-chloro-1,1,2-trifluoroethyl)diethylamine / acetonitrile / 1.) room temp., 1 h, 2.) reflux, 3 h3: 1.) BuLi / 1.) THF, 0 deg C, 30 min, 2.) 0 deg C, 30 min; room temp., 1 h4: 70 percent / KOH / methanol / 7 h / -30 °C