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  • H–Y zeolite is a versatile heterogeneous catalyst for the synthesis of β-Nitroamine (cas 7782-94-7)s
  • Add time:07/13/2019         Source:sciencedirect.com

    Heterogeneous aza-Henry reactions of aldimes with nitromethane were examined with zeolites as catalysts. Among the zeolite used, H–Y zeolite showed satisfactory catalytic activity for various aldimines, resulting in corresponding β-nitroamines in good yields. H–Y zeolite also showed the excellent reusability until the 3rd usage without loss of its activity; further, the calcination of deactivated H–Y zeolite allowed it to rejuvenate its catalytic activity. Solid-state 13C MAS NMR revealed the predominant activation of an aldimine into the H–Y zeolite.

    ▶ Heterogeneous aza-Henry reaction can be performed by zeolite catalyst. ▶ H-Y zeolite was found to be a suitable catalyst for this reaction with reliable recyclability and reusability.

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