1: [6-chloro-2-(4-chlorophenyl)-imidazo[1,2-a]pyridin-3-ylmethyl]-dimethylamine With methyl iodide in dichloromethane T=20°C; 24 h; 2: potassium cyanide in water 4 h; Heating;

1.1: 77 percent / acetic acid / H2O / 4 h / 50 - 55 °C 2.1: MeI / CH2Cl2 / 24 h / 20 °C 2.2: H2O / 4 h / Heating View Scheme

potassium hydroxide in ethanol 8 h; Heating;