1: With potassium carbonate; thiophenol; N-benzyl-N,N,N-triethylammonium chloride in dimethyl sulfoxide T=25 - 35°C; 24 h; 2: With hydrogenchloride in ethyl acetate T=0 - 25°C;

potassium carbonate; thiophenol; N-benzyl-N,N,N-triethylammonium chloride in acetonitrile T=60 - 70°C;