hydrogen bromide; acetic acid

trichloroisocyanuric acid in N,N-dimethyl-formamide 1 h;

1: 100 percent / K2CO3 / acetone / 3 h / Ambient temperature 2: 87 percent / isocyanuric trichloride / dimethylformamide / 1 h / Ambient temperature View Scheme

beim nachfolgenden Verkochen auf dem Wasserbad.Diazotization;

1: 87 percent / fum. HNO3, conc. H2SO4 / acetic anhydride / 0.5 h / 0 °C 2: 76 percent / H2 / Pd-C / dimethylformamide; ethanol / 4 h / Ambient temperature 3: 91 percent / acetic acid / 1 h / 70 - 80 °C 4: 92 percent / N-bromosuccinimide / dimethylformamide / 1 h 5: 1.) BuLi / 1) THF, hexane, -78 deg C, 10 min; 2) THF, hexane, 15 min 6: 95 percent / isocyanuric acid / dimethylformamide / 1.5 h / Ambient temperature 7: 66 percent / Cu-powder / quinoline / 0.12 h / 210 °C 8: 91 percent / AlCl3 / benzene / 14 h / Ambient temperature View Scheme