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Nanocubic Cadmium Hexacyanoferrate Catalyzed Selective Oxidation of Benzyl Alcohol: An Eco-friendly Protocol

Prakash Chandra1, Rajesh Kumar1, Mahesh Chandra Arya1, Vimal K. Bhardwaj2, Pooja Joshi1 and Shah Raj Ali1

1. Department of Chemistry, D.S.B. Campus, Kumaun University, Nainital 263 002, India

2. Department of Chemistry I.I.T. Roper, Rupnagar Punjab 140001, India


Abstract: Nanocubic cadmium hexacyanoferrate with molecular formula Cd3[Fe(CN)6]2.12H2O has been found an effective catalyst for oxidation of benzyl alcohol using H2O2 as oxidant under heterogeneous and solvent-free conditions. The catalyst was found highly selective for benzaldehyde and it showed approximately 31% conversion of benzyl alcohol into benzaldehyde under optimized reaction conditions of certain parameters, namely, amount of catalyst, temperature, benzyl alcohol to H2O2 molar ratio and reaction time. The solvent-free medium, heterogeneity, involvement of eco-friendly oxidant and high product selectivity of the catalyst show its eco-friendly protocol for the conversion of benzyl alcohol to benzaldehyde.

Key words: Cadmium hexacyanoferrate, heterogeneous catalyst, benzyl alcohol, benzaldehyde.
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