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A new series of 1-ethoxy-3-(4-aryl)-1-phenyl-1H-benzo[f]chromenes have been synthesized efficiently.The procedure involves the multicomponent reaction of 2-naphthol,acetophenone derivatives,and triethyl orthobenzoate catalyzing by efficient bis(2-anilinotropone) Ti complex.
A new series of 1-ethoxy-3- (4-aryl) -1-phenyl-1H-benzo [f] chromenes have been omitted. The procedure involves the multicomponent reaction of 2-naphthol, acetophenone derivatives, and triethyl orthobenzoate catalyzing by efficient bis (2-anilinotropone) Ti complex.