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Документ Electron-Rich Amino Heterocycles for Regiospecific Synthesis of Trifluoromethyl-Containing Fused Pyridines(2003) Volochnyuk, Dmitriy; Pushechnikov, Alexei; Krotko, Dmitriy; Sibgatulin, Dmitriy; Kovaleva, Svetlana; Tolmachev, AndreiThe reaction of 4,4,4-trifluoro-3-oxobutanoates with the corresponding electron-rich amino heterocycles was investigated. A simple and flexible general procedure for the regiospecific annulation of the trifluoromethylpyridine ring to electron-rich amino heterocycles was proposed. A set of CF3-containing fused pyridines in almost quantitative yield was obtained.