Continuous Hydrogenation of Carbon Dioxide to Formic Acid and Methyl Formate by a Molecular Iridium Complex Stably Heterogenized on a Covalent Triazine Framework

Juan José Corral-Pérez, Amelia Billings, Dragos Stoian, Atsushi Urakawa

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
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Abstract

Continuous synthesis of formic acid and methyl formate via CO2 hydrogenation is demonstrated using a molecular iridium complex stably immobilized on a solid covalent triazine framework (CTF) under high-pressure conditions. Compared to formic acid synthesis, methyl formate synthesis is advantageous to enhance the selectivity and yield of formates under kinetically favorable high temperature conditions. Transient in situ vibrational spectroscopy shows that the CTF strongly interacts with CO2 and H2, and even activates methanol. Hence, CTF is a promising support for molecular catalysts, even under harsh supercritical and flow conditions, through its strong binding capability.

Original languageEnglish
Pages (from-to)4725-4730
JournalChemCatChem
Volume11
Issue number19
DOIs
Publication statusPublished - 2019

Keywords

  • CO hydrogenation
  • continuous synthesis
  • covalent triazine framework
  • formic acid
  • heterogeneous catalysis

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