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Keywords:

  • bifunctional catalyst;
  • heterogeneous catalyst;
  • iridium;
  • N-alkylation;
  • Zr-based MOF

Abstract

The direct N-alkylation of amines with alcohols was performed with an Ir-Zr-based metal–organic framework multifunctional heterogeneous catalyst. This system is efficient and environmentally benign for the synthesis of various organic amines in air in the absence of a base. The catalyst was recovered and reused without significant loss of activity, and only water was produced as a byproduct.