potassium hydroxide in ethanol 2 h;

N,N-dimethyl-aniline in anhydrous xylene T=170°C; Bischler-Moehlau reaction; 3 h;

1.1: 3 h / 70 °C 1.2: water / 50 - 60 °C 2.1: 3.52 g / trifluoroacetic acid 3.1: 95 percent / potassium hydroxide / ethanol / 2 h View Scheme

1.1: 70 percent / sodium hydrogen carbonate / ethanol / 3 h / Heating 2.1: 3 h / 70 °C 2.2: water / 50 - 60 °C 3.1: 3.52 g / trifluoroacetic acid 4.1: 95 percent / potassium hydroxide / ethanol / 2 h View Scheme

1.1: 70 percent / sodium hydrogen carbonate / ethanol / 3 h / Heating 2.1: 3 h / 70 °C 2.2: water / 50 - 60 °C 3.1: 3.52 g / trifluoroacetic acid 4.1: 95 percent / potassium hydroxide / ethanol / 2 h View Scheme