hydrogenchloride; sulfuric acid; water; nitric acid; sodium nitrite 1.) 0 deg C, 1 h; r.t., overnight; up to 60 deg C for 1 h, up to 90 deg C for 1 h, 2.) r.t., 12 h; Yield given. Multistep reaction. Yields of byproduct given;

in methanol 1.33333 h; Irradiation;

T=60°C;

hydrogenchloride; sulfuric acid; water; nitric acid; sodium nitrite 1.) 0 deg C, 1 h; r.t., overnight; up to 60 deg C for 1 h, up to 90 deg C for 1 h, 2.) r.t., 12 h; Yield given. Multistep reaction. Yields of byproduct given;

sulfuric acid

T=60°C;