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<p>This study introduces a novel magnetically separable NiFe<sub>2</sub>O<sub>4</sub>@PPA-DABCO magnetic nanocomposite catalyst. The catalyst is used to synthesize 2,2´-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives via a condensation reaction of aryl aldehydes and dimedone&#xa0;in ethanol at ambient conditions. The catalyst was examined by FTIR, XRD, SEM, EDS, TGA-DTA, and XPS analysis. This environmentally friendly methodology&#xa0;affords numerous benefits, such as a mild reaction condition, shorter reaction times, excellent yield, and use of green solvent. The catalyst can be recycled for six cycles without significantly affecting catalytic activity and product yield.</p> Graphical Abstract <p></p>

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NiFe2O4@PPA-DABCO: A novel magnetically separable bifunctional nanocatalyst for the synthesis of 2,2´-(Arylmethylene) bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives

  • 期刊论文

  • 发表日期：

    2025年3月13日

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  • Asmita A. Ingale,
  • Raju P. Kagne,
  • Ankush M. Sargar

摘要

This study introduces a novel magnetically separable NiFe2O4@PPA-DABCO magnetic nanocomposite catalyst. The catalyst is used to synthesize 2,2´-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives via a condensation reaction of aryl aldehydes and dimedone in ethanol at ambient conditions. The catalyst was examined by FTIR, XRD, SEM, EDS, TGA-DTA, and XPS analysis. This environmentally friendly methodology affords numerous benefits, such as a mild reaction condition, shorter reaction times, excellent yield, and use of green solvent. The catalyst can be recycled for six cycles without significantly affecting catalytic activity and product yield.

Graphical Abstract