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A Brønsted acidic ionic liquid, [(CH2)3SO3HMIM][HSO4], as an efficient catalyst for synthesis of 1-(benzothiazolylamino)methyl-2-naphthols

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Abstract

1-(Benzothiazolylamino)methyl-2-naphthols can be synthesized in the presence of the Brønsted acidic ionic liquid 3-methyl-1-(4-sulfonic acid)propylimidazolium hydrogen sulfate ([(CH2)3SO3HMIM][HSO4]). A wide range of aldehydes readily undergo condensation with 2-naphthol and 2-aminobenzothiazole to afford the desired products in high to excellent yields. This method has several advantages, for example simple procedure and easy work-up, short reaction times, and excellent yields. The catalyst could be recycled and reused without substantial reduction in its catalytic activity.

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Acknowledgments

We are grateful to Sistan and Baluchestan University Research Council for partial support of this research.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, PO Box 98135-674, Zahedan, Iran

    Hamid Reza Shaterian & Asghar Hosseinian

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  1. Hamid Reza Shaterian
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  2. Asghar Hosseinian
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Correspondence to Hamid Reza Shaterian.

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Shaterian, H.R., Hosseinian, A. A Brønsted acidic ionic liquid, [(CH2)3SO3HMIM][HSO4], as an efficient catalyst for synthesis of 1-(benzothiazolylamino)methyl-2-naphthols. Res Chem Intermed 41, 793–801 (2015). https://doi.org/10.1007/s11164-013-1230-0

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  • DOI: https://doi.org/10.1007/s11164-013-1230-0

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