Synthesis of new 2-substituted 3-(tri(di)fluoromethyl)-quinoxalines from 3-(trifluoromethyl)quinoxalin-2(1H)-oneand 3-(tri(di)fluoromethyl)quinoxaline-2-carboxylic acids
1. Hansa Fine Chemicals GmbH, BITZ, 1 Fahrenheitstr., Bremen, 28359, Germany 2. Institute of Natural Sciences, Ural Federal University named after the first President of Russia B.N.Yeltsin, 51 Lenina Ave., Yekaterinburg, 620000, Russia