Hydrogenation of CO2 to formate using a tripodal-based nickel catalyst under basic conditions

Dharmalingam Sivanesan, Kwang Ho Song, Soon Kwan Jeong, Hak Joo Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report the synthesis of tripodal ligand-based nickel catalysts [Ni(tren)(NO3)2] (1) & [Ni(hmtren)(H2O)](NO3)2 (2) and demonstrate its catalytic hydrogenation of CO2 to formate in a basic medium. 1 exhibited the catalytic activity with a turnover number (TON) of 418 in a triethylamine medium at 120 °C. 2 was synthesized by introducing electron releasing methyl groups in 1, which was found to enhance the production of formate and presented a better TON of 638. The catalytic effects of 1 and 2 in the production of formate with NaHCO3 and KOH bases are discussed, and this study validates the use of a non-precious metal catalyst for CO2 hydrogenation in an aqueous medium.

Original languageEnglish
Pages (from-to)66-71
Number of pages6
JournalCatalysis Communications
DOIs
Publication statusPublished - 2019 Feb 1
Externally publishedYes

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formic acid
Nickel
Hydrogenation
Catalysts
Catalyst activity
Ligands
Electrons
Metals

Keywords

  • Base effect
  • CO hydrogenation
  • Formate generation
  • Tripodal ligand
  • Water-soluble nickel catalysts

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Process Chemistry and Technology

Cite this

Hydrogenation of CO2 to formate using a tripodal-based nickel catalyst under basic conditions. / Sivanesan, Dharmalingam; Song, Kwang Ho; Jeong, Soon Kwan; Kim, Hak Joo.

In: Catalysis Communications, 01.02.2019, p. 66-71.

Research output: Contribution to journalArticle

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