1: With fuming sulfuric acid; dihydrogen peroxide in water T=0 - 25°C; 20 h; 2: With ammonia in water

phosphorus pentachloride; sulfuric acid; nitric acid; trichlorophosphate 1.) 50 deg C, 18 h, 2.) 90 deg C, 18 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

ammonia in ethanol T=20°C; 15 h;