Oxidation of 2- and 3-Halogenated Quinolines: An Easy Access to 5- and 6-Halogenopyridine-2,3-dicarboxylic Acids - Bas, Marie-Delphine Le; Guéret, Caroline; Perrio, Cécile; Lasne, Marie-Claire; Barré, Louisa (Synthesis, 2001)