1: 63 percent / 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazoliumchloride, triethylamine / ethanol / 15 h / 80 °C 2: 79 percent / xylene / 500 °C / 10 Torr 3: 73 percent / 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazoliumchloride, triethylamine / ethanol / 15 h / 80 °C View Scheme

5-(2-hydroxyethyl)-4-methyl-3-(phenylmethyl)thiazolium chloride; triethylamine in ethanol T=80°C; 15 h;