4.6 Article

Picolinamide-Based Iridium Catalysts for Dehydrogenation of Formic Acid in Water: Effect of Amide N Substituent on Activity and Stability

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 69, Pages 18389-18392

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201800428

Keywords

dehydrogenation; formic acid; hydrogen storage

Funding

  1. JST CREST, Japan [JPMJCR1342]
  2. U.S. Department of Energy, Office of Science, Division of Chemical Sciences, Geosciences & Biosciences, Office of Basic Energy Sciences [DE-SC0012704]

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To develop highly efficient catalysts for dehydrogenation of formic acid in water, we investigated several Cp*Ir catalysts with various amide ligands. The catalyst with an N-phenylpicolinamide ligand exhibited a TOF of 118 000 h(-1) at 60 degrees C. A constant rate (TOF>35 000 h(-1)) was maintained for six hours, and a TON of 1 000 000 was achieved at 50 degrees C.

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