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

doi:10.1016/j.catcom.2018.11.016

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 journal › Article

3 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 language	English
Pages (from-to)	66-71
Number of pages	6
Journal	Catalysis Communications
DOIs	https://doi.org/10.1016/j.catcom.2018.11.016
Publication status	Published - 2019 Feb 1
Externally published	Yes

Keywords

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

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Process Chemistry and Technology

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Sivanesan, D., Song, K. H., Jeong, S. K., & Kim, H. J. (2019). Hydrogenation of CO₂ to formate using a tripodal-based nickel catalyst under basic conditions. Catalysis Communications, 66-71. https://doi.org/10.1016/j.catcom.2018.11.016

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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.",

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AU - Sivanesan, Dharmalingam

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AU - Jeong, Soon Kwan

AU - Kim, Hak Joo

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N2 - 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.

AB - 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.

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KW - Formate generation

KW - Tripodal ligand

KW - Water-soluble nickel catalysts

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