NHI- and NHC-supported Al(III) hydrides for amine–borane dehydrocoupling catalysis

Catherine Weetman, Nozomi Ito, Masafumi Unno, Franziska Hanusch, Shigeyoshi Inoue

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4 Citations (Scopus)
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Abstract

The catalytic dehydrocoupling of amine–boranes has recently received a great deal of attention due to its potential in hydrogen storage applications. The use of aluminum catalysts for this transformation would provide an additional cost-effective and sustainable approach towards the hydrogen economy. Herein, we report the use of both N-heterocyclic imine (NHI)- and carbene (NHC)-supported Al(III) hydrides and their role in the catalytic dehydrocoupling of Me2NHBH3. Differences in the σ-donating ability of the ligand class resulted in a more stable catalyst for NHI-Al(III) hydrides, whereas a deactivation pathway was found in the case of NHC-Al(III) hydrides.
Original languageEnglish
Article number92
Number of pages11
JournalInorganics
Volume7
Issue number8
DOIs
Publication statusPublished - 24 Jul 2019

Keywords

  • aluminum
  • amine-boranes
  • dehydrocoupling
  • homogeneous catalysis
  • N-heterocyclic carbenes

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