Zirconium-containing metal organic frameworks as solid acid catalysts for the N-formylation of aniline with formic acid

Maria N. Timofeeva, Valentina N. Panchenko, Ivan A. Lukoyanov, Sung Hwa Jhung

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Porous Zr-based metal–organic frameworks (MOF-808 and MOF-808/H2SO4, UiO-66 and UiO-66-SO3H) were used as solid acid catalysts for N-formylation of aniline with formic acid (aniline/formic acid 1/2 mol/mol, 35 °C). The yield of N-formylaniline was demonstrated to depend on structure of active sites and decrease in the order: MOF-808/H2SO4 > MOF-808 > UiO-66-SO3H > UiO-66. The activity of Zr-MOFs was dependent on the key properties of solvent, i.e. polarity and basicity. The MOF-808/H2SO4 was found to be the best catalyst, resulting in the formation of N-formylaniline in 96% yield under solvent free conditions. Efficiencies of MOF-808 and MOF-808/H2SO4 were higher in comparison with H-ZSM-5, zeolite natrolite and zeolite heulandite.

Original languageEnglish
Pages (from-to)355-369
Number of pages15
JournalReaction Kinetics, Mechanisms and Catalysis
Volume133
Issue number1
DOIs
StatePublished - Jun 2021

Keywords

  • Aniline
  • Brønsted acidity
  • Formic acid
  • Metal–organic framework
  • N-formylation

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