Akbar Massoumi Shahi, M. Nikpassand, Hossain Fallah-Bagher-Shaidaei
Nov 29, 2018
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Journal
Polycyclic Aromatic Compounds
Abstract
Abstract 2-Oxoimidazolidine-1,3-disulfonic acid is a recoverable catalyst for the synthesis of novel triflouromethyl-1H-benzo[f]chromene by the condensation of 2-naphthol, 4,4,4-trifluoro-1-phenyl-1,3-butanedione and different substituted benzaldehyde at room temperature in a one-pot procedure without additional organic solvents. Moreover, the catalyst could be easily recovered and recycled for five runs without significant loss of its catalytic activity. The structures of the synthesized triflouromethyl-1H-benzo[f]chromene compounds were confirmed by 1H, 13C nuclear magnetic resonance and Fourier-transform infrared spectral data and elemental analyses.