formic acid; hydroxylamine hydrochloride; 2,3-dicyano-5,6-dichloro-p-benzoquinone in acetonitrile T=80°C; Beckmann Rearrangement; 12 h; Schlenk technique;

formic acid; hydroxylamine hydrochloride; 2,3-dicyano-5,6-dichloro-p-benzoquinone in acetonitrile T=80°C; Meyer-Schuster Rearrangement; 12 h; Schlenk technique; Reagent/catalystSolvent;

trimethylsilylazide; water; 2,3-dicyano-5,6-dichloro-p-benzoquinone; iron(II) chloride in acetic acid T=60°C; 24 h; Inert atmosphere; regioselective reaction;

pyridine