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Byeon H, Kim J, Lee MH, Jang HY. Ir(tri-N-heterocyclic carbene)-catalyzed upgrading of glycerol: C-C bond formation for the synthesis of α-hydroxy acids. Org Biomol Chem 2024; 22:1613-1618. [PMID: 38305776 DOI: 10.1039/d3ob02035e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Ir(triNHC) complexes catalyzed glycerol and alcohol dehydrogenative coupling, yielding diverse α-hydroxy acids. Unlike conventional conditions, Ir(triNHC) facilitated additional C-C bond formation after lactic acid production from glycerol, exhibiting high TOFs. This protocol successfully converted 1,2-propanediol and sorbitol into α-hydroxy acids, highlighting biomass-derived sources' potential as valuable platform chemicals.
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Affiliation(s)
- Heemin Byeon
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea.
| | - Jaeho Kim
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea.
| | - Mi-Hyun Lee
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea.
| | - Hye-Young Jang
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea.
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Jiménez MV, Ojeda-Amador AI, Puerta-Oteo R, Martínez-Sal J, Passarelli V, Pérez-Torrente JJ. Selective Oxidation of Glycerol via Acceptorless Dehydrogenation Driven by Ir(I)-NHC Catalysts. Molecules 2022; 27:molecules27227666. [PMID: 36431768 PMCID: PMC9696977 DOI: 10.3390/molecules27227666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/03/2022] [Accepted: 11/05/2022] [Indexed: 11/09/2022] Open
Abstract
Iridium(I) compounds featuring bridge-functionalized bis-NHC ligands (NHC = N-heterocyclic carbene), [Ir(cod)(bis-NHC)] and [Ir(CO)2(bis-NHC)], have been prepared from the appropriate carboxylate- or hydroxy-functionalized bis-imidazolium salts. The related complexes [Ir(cod)(NHC)2]+ and [IrCl(cod)(NHC)(cod)] have been synthesized from a 3-hydroxypropyl functionalized imidazolium salt. These complexes have been shown to be robust catalysts in the oxidative dehydrogenation of glycerol to lactate (LA) with dihydrogen release. High activity and selectivity to LA were achieved in an open system under low catalyst loadings using KOH as a base. The hydroxy-functionalized bis-NHC catalysts are much more active than both the carboxylate-functionalized ones and the unbridged bis-NHC iridium(I) catalyst with hydroxyalkyl-functionalized NHC ligands. In general, carbonyl complexes are more active than the related 1,5-cyclooctadiene ones. The catalyst [Ir(CO)2{(MeImCH2)2CHOH}]Br exhibits the highest productivity affording TONs to LA up to 15,000 at very low catalyst loadings.
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Wang S, Li T, Chu Y, Li T, Yu H, Wang S, Chai J, Yan B, Zhou X, Yin H. Ethylenediamine Assisted Synthesis of Sn‐MFI Zeolite with High Space‐time Yield as Lewis Acidic Catalysts for Conversion of Dihydroxypropanone to Methyl Lactate. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shiwei Wang
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering 1219 Zhongguan West Road 315201 Ningbo CHINA
| | - Tianhao Li
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Yuting Chu
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Tong Li
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Hongbo Yu
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Shuibo Wang
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Juan Chai
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Bo Yan
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Xiaobing Zhou
- Ningbo Institute of Materials Technology and Engineering CAS: Ningbo Institute of Industrial Technology Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering CHINA
| | - Hongfeng Yin
- Institute for New Energy Technologies, Ningbo Institute of Material Technology and Engineering Chinese Academy of Sciences No. 1219 Zhongguan West Road Zhenhai District 315201 Ningbo CHINA
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Iridium(triNHC)-Catalyzed Transfer Hydrogenation of Glycerol Carbonate without Exogenous Reductants. Catalysts 2022. [DOI: 10.3390/catal12060656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
Abstract
The iridium(Ir) (triNHC = tri-N-heterocyclic carbene)-catalyzed transfer hydrogenation of glycerol carbonate (GC) is described in the absence of additional hydride sources. The described reduction provides a sustainable route to produce industrially-valuable formate and lactate with high turnover numbers (TONs). The bimetallic Ir(I) involving triNHC carbene ligands exhibits high TONs, and the reaction mechanism, including the bimetallic Ir(triNHC) catalyst, is proposed based on mechanistic studies.
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Lee MH, Byeon H, Jang HY. Synthesis of α-Hydroxy Acids via Dehydrogenative Cross-Coupling of a Sustainable C 2 Chemical (Ethylene Glycol) with Alcohols. J Org Chem 2022; 87:4631-4639. [PMID: 35294196 DOI: 10.1021/acs.joc.1c02981] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ir(NHC) (NHC, N-heterocyclic carbene)-catalyzed dehydrogenative coupling of sustainable ethylene glycol and various bioalcohols can produce industrially valuable α-hydroxy acids (AHAs). This study is the first to report the sustainable synthesis of higher Cn AHAs, in addition to glycolic acid (C2 AHA) and lactic acid (C3 AHA). This catalytic system can be recycled to the seventh cycle while maintaining good yields. A reaction mechanism, including facile dehydrogenation of each alcohol and fast cross-coupling of dehydrogenated aldehydes forming products, was proposed based on 18O- and 2H-labeling experiments and electron spray ionization-mass spectrometry (ESI-MS) and NMR spectral analyses.
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Affiliation(s)
- Mi-Hyun Lee
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Heemin Byeon
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Hye-Young Jang
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
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Kumar A, Awasthi MK, Priya B, Singh SK. Selective Hydrogen Production from Glycerol over Ruthenium Catalyst. ChemCatChem 2022. [DOI: 10.1002/cctc.202101951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ankit Kumar
- Indian Institute of Technology Indore Chemistry SimrolKhandwa Road 453552 Indore INDIA
| | - Mahendra K. Awasthi
- Indian Institute of Technology Indore Chemistry SimrolKhandwa Road 453552 Indore INDIA
| | - Bhanu Priya
- Indian Institute of Technology Indore Chemistry SimrolKhandwa Road 453552 Indore INDIA
| | - Sanjay Kumar Singh
- Indian Institute of Technology Indore Chemistry SimrolKhandwa Road 453552 Indore INDIA
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Iridium(NHC)-Catalyzed Sustainable Transfer Hydrogenation of CO2 and Inorganic Carbonates. Catalysts 2021. [DOI: 10.3390/catal11060695] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Iridium(NHC)-catalyzed transfer hydrogenation (TH) of CO2 and inorganic carbonates with glycerol were conducted, demonstrating excellent turnover numbers (TONs) and turnover frequencies (TOFs) for the formation of formate and lactate. Regardless of carbon sources, excellent TOFs of formate were observed (CO2: 10,000 h−1 and K2CO3: 10,150 h−1). Iridium catalysts modified with the triscarbene ligand showed excellent catalytic activity at 200 °C and are a suitable choice for this transformation which requires a high temperature for high TONs of formate. On the basis of the control experiments, the transfer hydrogenation mechanism of CO2 was proposed.
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Sung K, Lee M, Cheong Y, Kim YK, Yu S, Jang H. Ir(NHC)‐Catalyzed Synthesis of β‐Alkylated Alcohols via Borrowing Hydrogen Strategy: Influence of Bimetallic Structure. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100219] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kihyuk Sung
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Mi‐hyun Lee
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Yeon‐Joo Cheong
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Yu Kwon Kim
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Sungju Yu
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Hye‐Young Jang
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
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Seo C, Cheong YJ, Yoon W, Kim J, Shin J, Yun H, Kim SJ, Jang HY. Mononuclear Copper Complexes with Tridentate Tris(N-heterocyclic carbene): Synthesis and Catalysis of Alkyne–Azide Cycloaddition. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00457] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Changhyeon Seo
- Department of Chemistry, Ajou University, Suwon 16499, Korea
| | - Yeon-Joo Cheong
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Woojin Yoon
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Jaegyeom Kim
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Jinho Shin
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Hoseop Yun
- Department of Chemistry, Ajou University, Suwon 16499, Korea
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Seung-Joo Kim
- Department of Chemistry, Ajou University, Suwon 16499, Korea
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Hye-Young Jang
- Department of Chemistry, Ajou University, Suwon 16499, Korea
- Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
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Shaik B, Jang H. Pd(
triNHC
)‐catalyzed Double Carbonylation of Aryliodides With Amines: The Effect of
triNHC
Ligands. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Baji Shaik
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Hye‐Young Jang
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
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