One-step, synthesis of Hantzsch esters and polyhydroquinoline derivatives in fluoro alcohols

Hantzsch 1,4-dihydropyridine, polyhydroquinoline and 1,8-dioxodecahydroacridines derivatives were synthesized in excellent yields in trifluoroethanol (TFE). The solvent (TFE) can be readily separated from reaction products and recovered in excellent purity for direct reuse. (C) 2009 Elsevier B.V. All rights reserved.