acetic acid; zinc T=20°C; 18 h;

acetic acid in water T=20°C; 18 h;

pyridine T=20°C; 18 h;

1: chlorosulphonyl isocyanate With water in acetonitrile T=20 - 40°C; 2: 7-(trifluoromethyl)-9H-carbazol-3-ylamine With pyridine in 1,4-dioxane; acetonitrile T=0 - 20°C; 18 h;