Abstract
2,4,6-Triaryl-3-methylarylpyridines were obtained, in 60–70% yield, by a novel one-pot solventless solid-supported dimerization–heteroannulation reaction of chalcones and compounds possessing terminal –CONH 2 functionality, at 125–135 °C, using immobilized Bi(III) nitrate and Zn(II) chloride as co-catalyst. Initially, chalcones were prepared, in nearly quantitative yield, by a modified aldol condensation, in neutral aqueous medium, in the presence of p-toluenesodium sulfonate.
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