Abstract

Abstract: In this paper, we have reported solvent solvent-free method for Knoevenagel condensation reaction of various aldehydes with active methylene compounds using thiourea and ammonium chloride. The developed method demonstrated high efficiency in the formation of C-C bond. The reaction proceeds smoothly under mild and solvent-free conditions and the products obtained are in excellent yield in very short duration. This method is applicable to a wide range of aldehydes with active methylene compounds.

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