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Mullick S, Ghosh A, Banerjee D. Recent advances in cross-coupling of alcohols via borrowing hydrogen catalysis. Chem Commun (Camb) 2024; 60:4002-4014. [PMID: 38451211 DOI: 10.1039/d4cc00003j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Application of the borrowing hydrogen strategy facilitates utilization of abundantly available alcohols for linear or branched long-chain alcohols. Selective synthesis of such alcohols is highly challenging and involves the utilization of transition metal catalysts towards the desired cross-coupled product. Herein, we have highlighted recent advances (from 2015 to 2023) towards the synthesis of higher alcohols. Major focus has been given to the development of ligands, including transition metal catalysts. Judicious catalyst design plays a key role in the alkylation process and is summarised in this review.
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Affiliation(s)
- Suteerna Mullick
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Adrija Ghosh
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Debasis Banerjee
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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Narjinari H, Dhole S, Kumar A. Acceptorless or Transfer Dehydrogenation of Glycerol Catalyzed by Base Metal Salt Cobaltous Chloride - Facile Access to Lactic Acid and Hydrogen or Isopropanol. Chemistry 2024; 30:e202302686. [PMID: 37811834 DOI: 10.1002/chem.202302686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/10/2023]
Abstract
The dehydrogenation of glycerol to lactic acid (LA) under both acceptorless and transfer dehydrogenation conditions using readily available, inexpensive, environmentally benign and earth-abundant base metal salt CoCl2 is reported here. The CoCl2 (0.5 mol %) catalyzed acceptorless dehydrogenation of glycerol at 160 °C in the presence of 0.75 equiv. of KOH, gave up to 33 % yield of LA in 44 % selectivity apart from hydrogen. Alternatively, with acetone as a sacrificial hydrogen acceptor, the CoCl2 (0.5 mol %) catalyzed dehydrogenation of glycerol at 160 °C in the presence of 1.1 equiv. of NaOt Bu resulted in up to 93 % LA with 96 % selectivity along with another value-added product isopropanol. Labelling studies revealed a modest secondary KIE of 1.68 which points to the involvement of C-H bond activation as a part of the catalytic cycle but not as a part of the rate-determining step. Catalyst poisoning experiments with PPh3 and CS2 are indicative of the homogeneous nature of the reaction mixture involving molecular species that are likely to be in-situ formed octahedral Co(II) as inferred from EPR, HRMS and Evans magnetic moment studies. The net transfer dehydrogenation activity is attributed to exclusive contribution from the alcoholysis step.
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Affiliation(s)
- Himani Narjinari
- Department of Chemistry, Indian Institution of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Sunil Dhole
- ChemDist Group of Companies, Plot No 144 A, Sector 7, PCNTDA Bhosari, Pune, 411026, Maharashtra, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institution of Technology Guwahati, Guwahati, 781039, Assam, India
- Centre for Nanotechnology, Indian Institution of Technology Guwahati, Guwahati, 781039, Assam, India
- Jyoti and Bhupat Mehta School of Health Science and Technology, Indian Institution of Technology Guwahati, Guwahati, 781039, Assam, India
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Arora V, Yasmin E, Tanwar N, Hathwar VR, Wagh T, Dhole S, Kumar A. Pincer–Ruthenium-Catalyzed Reforming of Methanol─Selective High-Yield Production of Formic Acid and Hydrogen. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Affiliation(s)
- Vinay Arora
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Eileen Yasmin
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Niharika Tanwar
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | | | - Tushar Wagh
- ChemDist Group of Companies, Plot No 144 A, Sector 7, PCNTDA Bhosari Pune, Pune, Maharashtra 411026, India
| | - Sunil Dhole
- ChemDist Group of Companies, Plot No 144 A, Sector 7, PCNTDA Bhosari Pune, Pune, Maharashtra 411026, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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Nandi PG, Thombare P, Prathapa SJ, Kumar A. Pincer-Cobalt-Catalyzed Guerbet-Type β-Alkylation of Alcohols in Air under Microwave Conditions. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pran Gobinda Nandi
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Prasad Thombare
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | | | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Jyoti and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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Narjinari H, Tanwar N, Kathuria L, Jasra RV, Kumar A. Guerbet-type β-alkylation of secondary alcohols catalyzed by chromium chloride and its corresponding NNN pincer complex. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00759b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
β-Alkylation of alcohols has been efficiently accomplished using readily available 3d metal Cr under microwave conditions in air. Well-defined molecular Cr is involved with a KIE of 7.33 and insertion of α-alkylated ketone into Cr–H bond as the RDS.
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Affiliation(s)
- Himani Narjinari
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Niharika Tanwar
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Lakshay Kathuria
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Raksh Vir Jasra
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Reliance Industries limited, R&D Centre, Vadodara Manufacturing Division, Vadodara, 391 346, Gujarat, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Jyoti and Bhupat School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
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