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One-pot synthesis of highly functionalized 2H-pyrimido[1,2-a]benzimidazoles

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Abstract

The reactive intermediate produced in the reaction between alkyl isocyanides and dialkyl acetylenedicarboxylates was trapped by methyl N-(benzimidazol-2-yl)carbamate to yield highly functionalized 2H-pyrimido[1,2-a]benzimidazoles in good yields.

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Acknowledgments

We gratefully acknowledge financial support from the Research Council of Islamic Azad University of Yazd and The Islamic Azad University of Zahedan of Iran.

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Authors and Affiliations

  1. Department of Chemistry, Islamic Azad University, Zahedan Branch, P.O. Box 98135-978, Zahedan, Iran

    Alireza Hassanabadi

  2. Department of Chemistry, Islamic Azad University, Yazd Branch, P.O. Box 89195-155, Yazd, Iran

    Mohammad H. Mosslemin & Somayeh Koocheki

  3. Department of Chemistry, Rafsanjan Vali-e-Asr University, P.O. Box 77176, Rafsanjan, Iran

    Mohammad Anary-Abbasinejad

Authors
  1. Alireza Hassanabadi
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  2. Mohammad H. Mosslemin
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  3. Mohammad Anary-Abbasinejad
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  4. Somayeh Koocheki
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Corresponding author

Correspondence to Alireza Hassanabadi.

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Hassanabadi, A., Mosslemin, M.H., Anary-Abbasinejad, M. et al. One-pot synthesis of highly functionalized 2H-pyrimido[1,2-a]benzimidazoles. Monatsh Chem 144, 227–230 (2013). https://doi.org/10.1007/s00706-012-0796-3

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  • DOI: https://doi.org/10.1007/s00706-012-0796-3

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