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An efficient method for synthesis of acylals from aldehydes using multi-walled carbon nanotubes functionalized with phosphonic acid(MWCNTs-C-PO_3H_2)
Authors:Farzaneh Dehghani  Ali Reza Sardarian  Mohammad Mehdi Doroodmand
Institution:a. Chemistry Department, College of Sciences, Shiraz University, Shiraz 71454, Iran; b. Nanotechnology Research Center, Shiraz University, Shiraz 71545, Iran
Abstract:MWCNTs-C-PO_3H_2 has been used as an efficient,heterogeneous and reusable nanocatalyst for synthesis of acylals from aldehydes under solvent-free conditions at room temperature.A wide range of aldehydes was studied and corresponding products were obtained in good to excellent yields in short reaction times.Nanocatalyst can be easily recovered by centrifuge and reused for subsequent reactions for at least five times without deterioration in catalytic activity.The major advantages of the present method are high yields,short reaction time,recyclable catalyst and solvent-free reaction conditions at room temperature.
Keywords:Acylal  MWCNTs-C-PO_H_  Heterogeneous catalyst  Reusable catalyst  Solvent-free condition
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