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

Dharmalingam Sivanesan; Kyoung 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, Kyoung Ho Song, Soon Kwan Jeong, Hak Joo Kim

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

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
Volume	120
DOIs	https://doi.org/10.1016/j.catcom.2018.11.016
Publication status	Published - 2019 Feb

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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title = "Hydrogenation of CO2 to formate using a tripodal-based nickel catalyst under basic conditions",

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.",

keywords = "Base effect, CO hydrogenation, Formate generation, Tripodal ligand, Water-soluble nickel catalysts",

author = "Dharmalingam Sivanesan and Song, {Kyoung Ho} and Jeong, {Soon Kwan} and Kim, {Hak Joo}",

note = "Funding Information: This work was financially supported by the Grant-in-aid from the Ministry of Science & ICT and Korea Institute of Energy Research (Project B8-2431 & B8-6708 ). ",

year = "2019",

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doi = "10.1016/j.catcom.2018.11.016",

language = "English",

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journal = "Catalysis Communications",

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TY - JOUR

T1 - Hydrogenation of CO2 to formate using a tripodal-based nickel catalyst under basic conditions

AU - Sivanesan, Dharmalingam

AU - Song, Kyoung Ho

AU - Jeong, Soon Kwan

AU - Kim, Hak Joo

N1 - Funding Information: This work was financially supported by the Grant-in-aid from the Ministry of Science & ICT and Korea Institute of Energy Research (Project B8-2431 & B8-6708 ).

PY - 2019/2

Y1 - 2019/2

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.

KW - Base effect

KW - CO hydrogenation

KW - Formate generation

KW - Tripodal ligand

KW - Water-soluble nickel catalysts

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