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Metal exchanged heteropolytungstate: an efficient catalyst for the synthesis of formylated amines

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Abstract

A simple and highly efficient method for the preparation of formylated amines by reacting amines with formic acid in the presence of metal exchanged tungstophosphoric acid catalyst under solvent free conditions is reported. The catalysts were characterized by X-ray diffraction, FT-infrared, laser Raman, pyridine adsorbed FT-infrared spectroscopies and temperature programmed desorption of ammonia. Fe exchanged tungstophosphoric acid gave high yield compared to other metal exchanged heteropolytungstate catalysts. The efficiency of the catalysts is explained based on their characteristics. The catalyst exhibited consistent activity upon reuse.

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Acknowledgments

A. Srivani thanks Council of Scientific and Industrial Research (CSIR), India for financial support in the form of Senior Research Fellowship.

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Authors and Affiliations

  1. Catalysis Laboratory, I&PC Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India

    A. Srivani, G. Parameswaram, P. S. Sai Prasad & N. Lingaiah

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  1. A. Srivani
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  2. G. Parameswaram
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  3. P. S. Sai Prasad
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  4. N. Lingaiah
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Correspondence to N. Lingaiah.

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Srivani, A., Parameswaram, G., Sai Prasad, P.S. et al. Metal exchanged heteropolytungstate: an efficient catalyst for the synthesis of formylated amines. Reac Kinet Mech Cat 112, 425–436 (2014). https://doi.org/10.1007/s11144-014-0702-6

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  • DOI: https://doi.org/10.1007/s11144-014-0702-6

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