hydrogenchloride; sodium nitrite in water T=0°C;

1: 3-methoxy-benzenediazonium; chloride With sulfur dioxide; acetic acid; copper dichloride in water T=20 - 50°C; 2: 3-methoxy-benzenediazonium; chloride

1: With anhydrous copper acetate in tetrahydrofuran; water T=0°C; Sandmeyer type reaction; 14 h; Reflux; 2: With hydrogenchloride in tetrahydrofuran; diethyl ether 3: With sodium hydrogencarbonate in diethyl ether; water

in water Ambient temperatureIrradiationpulsed laser photolysis; Quantum yield;

2,6-dimethylpyridine; copper dichloride 1) aq. acetone, 2) heating; Multistep reaction;