potassium hydroxide in ethanol 1.5 h; Heating;

triethylamine in acetonitrile Ambient temperatureovernight;

1: 2-mercapto-pyridine With sodium hydride in N,N-dimethyl-formamide T=-5°C; 0.166667 h; 2: chloromethyl iodide in N,N-dimethyl-formamide T=20°C; 1.75 h; Overall yield = 91 percent; Overall yield = 2.6 g;