Abstract

3,5-Bis(trifluoromethyl) phenyl ammonium triflate(BFPAT) catalyzed one-pot synthesis of indeno[1,2-b]pyridine compound derivatives by four-component condensation of aldehyde, aromatic ketones, 1,3-indanedione, and ammonium acetate in ethanol. Accessible starting materials, Simplicity of operation, green and practical catalyst, easy purification, and excellent yields are the key benefits of the current technique.

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