1: With iron; acetic acid T=80°C; 0.583333 h; 2: With ammonia; water in dichloromethane

1: 8-nitro-3-(phenylsulfonyl)quinoline With hydrogenchloride; titanium(III) chloride in tetrahydrofuran; water T=35°C; 0.166667 h; 2: potassium carbonate in tetrahydrofuran; water pH=8.5;

sodium carbonate in tert-butyl alcohol 20 h; Heating / reflux; Product distribution / selectivity;