phosphorus trichoride in chloroform 1 h; Heating;

sulfuric acid; nitric acid Ambient temperature;

1: 1) KOH / 1) DMSO, 50 deg C, 20 min, 2) DMSO, 50 deg C, 30 min 2: 67.9 percent / 30percent H2O2 / acetic anhydride / Ambient temperature 3: 64.4 percent / conc. H2SO4, 100percent HNO3 / Ambient temperature 4: 34 percent / PCl3 / CHCl3 / 1 h / Heating View Scheme

1: 67.9 percent / 30percent H2O2 / acetic anhydride / Ambient temperature 2: 64.4 percent / conc. H2SO4, 100percent HNO3 / Ambient temperature 3: 34 percent / PCl3 / CHCl3 / 1 h / Heating View Scheme

1: 64.4 percent / conc. H2SO4, 100percent HNO3 / Ambient temperature 2: 34 percent / PCl3 / CHCl3 / 1 h / Heating View Scheme

sodium methylate Heating;