1
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Dong B, Wu X, Shen L, He Y, Chen X, Zhang S, Li F. Poly(2,2'-Bibenzimidazole)-Supported Iridium Complex: A Recyclable Metal-Polymer Ligand Bifunctional Catalyst for the N-Methylation of Amines with Methanol. Inorg Chem 2024; 63:15072-15080. [PMID: 39066706 DOI: 10.1021/acs.inorgchem.4c02053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
The design and development of new types of catalysts is one of the most important topics for modern chemistry. Herein, a polymer-supported iridium complex Cp*Ir@Poly(2,2'-BiBzIm) was designed and synthesized by the coordinative immobilization of [Cp*IrCl2]2 on 2,2'-bibenzimidazoles. In the presence of the catalyst (0.5 mol % Ir) and Cs2CO3 (0.3 equiv), a variety of N-methylated amines were obtained in high yields with complete selectivity. More importantly, the catalyst could be recycled without an obvious loss of activity for six cycles. Apparently, the designed catalyst combines the advantages of both homogeneous and heterogeneous catalysis.
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Affiliation(s)
- Beixuan Dong
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
| | - Xingliang Wu
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
| | - Lu Shen
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
| | - Yiqian He
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
| | - Xiaozhong Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
| | - Shouhai Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
| | - Feng Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
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2
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Shen L, Wu X, Shi L, Xu X, Zhang J, Li F. Selective N-Alkylation of Aminobenzenesulfonamides with Alcohols for the Synthesis of Amino-( N-alkyl)benzenesulfonamides Catalyzed by a Metal-Ligand Bifunctional Ruthenium Catalyst. J Org Chem 2024; 89:8397-8406. [PMID: 38825774 DOI: 10.1021/acs.joc.4c00166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
[(p-Cymene)Ru(2,2'-bpyO)(H2O)] was proven to be an efficient catalyst for the synthesis of amino-(N-alkyl)benzenesulfonamides via selective N-alkylation of aminobenzenesulfonamides with alcohols. It was confirmed that functional groups in the bpy ligand are crucial for the activity of catalysts. Furthermore, the utilization of this catalytic system for the preparation of a biologically active compound was presented.
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Affiliation(s)
- Lu Shen
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Xingliang Wu
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Lili Shi
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Xiangchao Xu
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Jin Zhang
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
| | - Feng Li
- School of Chemical Engineering, Nanjing University of Science & Technology, Nanjing 210094, P. R. China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
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3
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Boulos J, Goc F, Vandenbrouck T, Perret N, Dhainaut J, Royer S, Rataboul F. Carbon-Supported Ru-Ni and Ru-W Catalysts for the Transformation of Hydroxyacetone and Saccharides into Glycol-Derived Primary Amines. CHEMSUSCHEM 2024; 17:e202400540. [PMID: 38572685 DOI: 10.1002/cssc.202400540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/04/2024] [Accepted: 04/04/2024] [Indexed: 04/05/2024]
Abstract
Nitrogen-containing molecules are used for the synthesis of polymers, surfactants, agrochemicals, and dyes. In the context of green chemistry, it is important to form such compounds from bioresource. Short-chain primary amines are of interest for the polymer industry, like 2-aminopropanol, 1-aminopropan-2-ol, and 1,2-diaminopropane. These amines can be formed through the amination of oxygenated substrates, preferably in aqueous phase. This is possible with heterogeneous catalysts, however, effective systems that allow reactions under mild conditions are lacking. We report an efficient catalyst Ru-Ni/AC for the reductive amination of hydroxyacetone into 2-aminopropanol. The catalyst has been reused during 3 cycles demonstrating a good stability. As a prospective study, extension to the reactivity of (poly)carbohydrates has been realized. Despite a lesser efficiency, 2-aminopropanol (9 % yield of amines) has been formed from fructose, the first example from a carbohydrate. This was possible using a 7.5 %Ru-36 %WxC/AC catalyst, composition allowing a one-pot retro-aldol cleavage into hydroxyacetone and reductive amination. The transformation of cellulose through sequential reactions with a combination of 30 %W2C/AC and 7.5 %Ru-36 %WxC/AC system gave 2 % of 2-aminopropanol, corresponding to the first example of the formation of this amine from cellulose with heterogeneous catalysts.
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Affiliation(s)
- Joseph Boulos
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, Unité de Catalyse et de Chimie du Solide, UMR 8181, 59000, Lille, France
| | - Firat Goc
- Univ Lyon 1, CNRS, Institut de Recherches sur la Catalyse et l'Environnement de Lyon, UMR 5256, 2 avenue Albert Einstein, 69626, Villeurbanne, France
| | - Tom Vandenbrouck
- Univ Lyon 1, CNRS, Institut de Recherches sur la Catalyse et l'Environnement de Lyon, UMR 5256, 2 avenue Albert Einstein, 69626, Villeurbanne, France
| | - Noémie Perret
- Univ Lyon 1, CNRS, Institut de Recherches sur la Catalyse et l'Environnement de Lyon, UMR 5256, 2 avenue Albert Einstein, 69626, Villeurbanne, France
| | - Jérémy Dhainaut
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, Unité de Catalyse et de Chimie du Solide, UMR 8181, 59000, Lille, France
| | - Sébastien Royer
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, Unité de Catalyse et de Chimie du Solide, UMR 8181, 59000, Lille, France
| | - Franck Rataboul
- Univ Lyon 1, CNRS, Institut de Recherches sur la Catalyse et l'Environnement de Lyon, UMR 5256, 2 avenue Albert Einstein, 69626, Villeurbanne, France
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4
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Ding B, Xue Q, Wei H, Chen J, Liu ZS, Cheng HG, Cong H, Tang J, Zhou Q. Enantioconvergent synthesis of chiral fluorenols from racemic secondary alcohols via Pd(ii)/chiral norbornene cooperative catalysis. Chem Sci 2024; 15:7975-7981. [PMID: 38817591 PMCID: PMC11134410 DOI: 10.1039/d4sc01004c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 04/18/2024] [Indexed: 06/01/2024] Open
Abstract
An efficient protocol for the asymmetric synthesis of fluorenols has been developed through an enantioconvergent process enabled by Pd(ii)/chiral norbornene cooperative catalysis. This approach allows facile access to diverse functionalized chiral fluorenols with constantly excellent enantioselectivities, applying readily available racemic secondary ortho-bromobenzyl alcohols and aryl iodides as the starting materials.
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Affiliation(s)
- Bo Ding
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Qilin Xue
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Han Wei
- The Institute for Advanced Studies, Wuhan University Wuhan 430072 China
| | - Jiangwei Chen
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Ze-Shui Liu
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Hong-Gang Cheng
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Hengjiang Cong
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
| | - Jianting Tang
- Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir, School of Environmental and Chemical Engineering, Chongqing Three Gorges University Chongqing 404100 China
| | - Qianghui Zhou
- Engineering Research Center of Organosilicon Compounds & Materials (Ministry of Education), Hubei Key Lab on Organic and Polymeric OptoElectronic Materials, College of Chemistry and Molecular Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University Wuhan 430072 China
- The Institute for Advanced Studies, Wuhan University Wuhan 430072 China
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5
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Khatua M, Goswami B, Devi A, Kamal, Hans S, Samanta S. A Phosphine-Oxide Cobalt(II) Complex and Its Catalytic Activity Studies toward Alcohol Dehydrogenation Triggered Direct Synthesis of Imines and Quinolines. Inorg Chem 2024; 63:9786-9800. [PMID: 38739882 DOI: 10.1021/acs.inorgchem.4c00086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Herein, a new pincer-like amino phosphine donor ligand, H2L1, and its phosphine-oxide analog, H2L2, were synthesized. Subsequently, cobalt(II) complexes 1 and 2 were synthesized by the reaction of anhydrous Co(II)Cl2 with ligands H2L1 and H2L2, respectively. The ligands and complexes were fully characterized by various physicochemical and spectroscopic characterization techniques. Finally, the identity of the complexes 1 and 2 was confirmed by single crystal X-ray structure determination. The phosphine ligand containing complex 1 was converted to the phosphine oxide ligand containing complex 2 in air in acetonitrile solution. Both complexes 1 and 2 were investigated as precatalysts for alcohol dehydrogenation-triggered synthesis of imines in air. The phosphine-oxide complex 2 was more efficient than the phosphine complex 1. A wide array of alcohols and amines were successfully reacted in a mild condition to result in imines in good to excellent yields. Precatalyst 2 was also highly efficient for the synthesis of varieties of quinolines in air. As H2L2 in 2 has side arms that can be deprotonated, we investigated complex 2 for its base (KOtBu) promoted deprotonation events by various spectroscopic studies and DFT calculations. These studies have shown that mono deprotonation of the amine side arm attached to the pyridine is quite feasible, and deprotonation of complex 2 leads to a dearomatized pyridyl ring containing complex 2a. The mechanistic investigations of the catalytic reaction, by a combination of experimental and computational studies, have suggested that the dearomatized complex, 2a acted as an active catalyst. The reaction proceeded through the hydride transfer pathway. The activation barrier of this step was calculated to be 26.5 kcal/mol, which is quite consistent with the experimental reaction temperature under aerobic conditions. Although various pincer-like complexes are explored for such reactions, phosphine oxide ligand-containing complexes are still unexplored.
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Affiliation(s)
- Manas Khatua
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, West Bengal 741246, India
| | - Bappaditya Goswami
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, West Bengal 741246, India
| | - Ambika Devi
- Department of Chemistry, Indian Institute of Technology (IIT) Jammu, Jagti, Jammu, Jammu and Kashmir 181221, India
| | - Kamal
- Department of Chemistry, Indian Institute of Technology (IIT) Jammu, Jagti, Jammu, Jammu and Kashmir 181221, India
| | - Shivali Hans
- Department of Chemistry, Indian Institute of Technology (IIT) Jammu, Jagti, Jammu, Jammu and Kashmir 181221, India
| | - Subhas Samanta
- Department of Chemistry, Indian Institute of Technology (IIT) Jammu, Jagti, Jammu, Jammu and Kashmir 181221, India
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6
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Ansari MF, Maurya AK, Kumar A, Elangovan S. Manganese-catalyzed C-C and C-N bond formation with alcohols via borrowing hydrogen or hydrogen auto-transfer. Beilstein J Org Chem 2024; 20:1111-1166. [PMID: 38887586 PMCID: PMC11181258 DOI: 10.3762/bjoc.20.98] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 04/24/2024] [Indexed: 06/20/2024] Open
Abstract
Transition-metal-mediated "borrowing hydrogen" also known as hydrogen auto-transfer reactions allow the sustainable construction of C-C and C-N bonds using alcohols as hydrogen donors. In recent years, manganese complexes have been explored as efficient catalysts in these reactions. This review highlights the significant progress made in manganese-catalyzed C-C and C-N bond-formation reactions via hydrogen auto-transfer, emphasizing the importance of this methodology and manganese catalysts in sustainable synthesis strategies.
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Affiliation(s)
- Mohd Farhan Ansari
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Atul Kumar Maurya
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Abhishek Kumar
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Saravanakumar Elangovan
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
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7
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Shezaf JZ, Santana CG, Ortiz E, Meyer CC, Liu P, Sakata K, Huang KW, Krische MJ. Leveraging the Stereochemical Complexity of Octahedral Diastereomeric-at-Metal Catalysts to Unlock Regio-, Diastereo-, and Enantioselectivity in Alcohol-Mediated C-C Couplings via Hydrogen Transfer. J Am Chem Soc 2024; 146:7905-7914. [PMID: 38478891 DOI: 10.1021/jacs.4c01857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Experimental and computational studies illuminating the factors that guide metal-centered stereogenicity and, therefrom, selectivity in transfer hydrogenative carbonyl additions of alcohol proelectrophiles catalyzed by chiral-at-metal-and-ligand octahedral d6 metal ions, iridium(III) and ruthenium(II), are described. To augment or invert regio-, diastereo-, and enantioselectivity, predominantly one from among as many as 15 diastereomeric-at-metal complexes is required. For iridium(III) catalysts, cyclometalation assists in defining the metal stereocenter, and for ruthenium(II) catalysts, iodide counterions play a key role. Whereas classical strategies to promote selectivity in metal catalysis aim for high-symmetry transition states, well-defined low-symmetry transition states can unlock selectivities that are otherwise difficult to achieve or inaccessible.
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Affiliation(s)
- Jonathan Z Shezaf
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Catherine G Santana
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Eliezer Ortiz
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Cole C Meyer
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Ken Sakata
- Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba 274-8510, Japan
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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8
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Maity S, Roy A, Duari S, Biswas S, Elsharif AM, Biswas S. Methyltrifluoromethanesulfonate Catalyst in Direct Nucleophilic Substitution of Alcohols; One-Pot Synthesis of 4 H-Chromene Derivatives. ACS OMEGA 2023; 8:46614-46627. [PMID: 38107960 PMCID: PMC10720287 DOI: 10.1021/acsomega.3c05619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 12/19/2023]
Abstract
The catalytic activity of methyltrifluoromethanesulfonate (MeOTf) has been explored toward direct nucleophilic substitution of the hydroxyl group of nonmanipulated alcohols such as benzylic, allylic, propargylic, and tertiary alcohols with a wide range of uncharged nucleophiles such as 1,3-dicarbonyl compounds, amides, alkynes, and indoles to generate functionalized 1,3-dicarbonyl compounds, amides, alkynes, and indoles, respectively. Thus, the present protocol defines an alternate pathway to construct new C-C, C-N, and C-O bonds with the formation of water as the byproduct under mild conditions without any acids or metals. A completely different mechanism was established through several control experiments to explain the reaction methodology. As an application of the reported protocol, 1H-indene derivatives have been synthesized in one pot when benzylic alcohols were subjected to react with internal alkynes. The scope of the reaction has been further extended toward a tandem benzylation-cyclization-dehydration of 1,3-dicarbonyl compounds with 2-hydroxybenzyl alcohols, which furnish biologically important 4H-chromene derivatives.
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Affiliation(s)
- Srabani Maity
- Department
of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Arnab Roy
- Department
of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Surajit Duari
- Department
of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Subrata Biswas
- Department
of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
| | - Asma M. Elsharif
- Department
of Chemistry, Imam Abdulrahman Bin Faisal
University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Srijit Biswas
- Department
of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata 700 009, West Bengal, India
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9
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Mocci R, Atzori L, Baratta W, De Luca L, Porcheddu A. N-Alkylation of aromatic amines with alcohols by using a commercially available Ru complex under mild conditions. RSC Adv 2023; 13:34847-34851. [PMID: 38035248 PMCID: PMC10688395 DOI: 10.1039/d3ra06751c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
An N-alkylation procedure has been developed under very mild conditions using a known commercially available Ru-based catalyst. As a result, a wide range of aromatic primary amines has been selectively alkylated with several primary alcohols, yielding the corresponding secondary amines in high yields. The methodology also enables the methylation of anilines in refluxing methanol and the preparation of a set of heterocycles in a straightforward way.
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Affiliation(s)
- Rita Mocci
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
| | - Luciano Atzori
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
| | - Walter Baratta
- Dipartimento di Scienze Agroalimentari, Ambientali e Animali, Università degli Studi di Udine via delle Scienze 206 33100 Udine Italy
| | - Lidia De Luca
- Dipartimento di Scienze Chimiche, FIsiche, Matematiche e Naturali, Università degli Studi di Sassari via Vienna 2 07100 Sassari Italy
| | - Andrea Porcheddu
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
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10
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Babu R, Sukanya Padhy S, Kumar R, Balaraman E. Catalytic Amination of Alcohols Using Diazo Compounds under Manganese Catalysis Through Hydrogenative N-Alkylation Reaction. Chemistry 2023; 29:e202302007. [PMID: 37486329 DOI: 10.1002/chem.202302007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
Sustainable chemical production requires fundamentally new types of catalysts and catalytic technologies. The development of coherent and robust catalytic systems based on earth-abundant transition metals is essential, but highly challenging. Herein, we systematically explored a general hydrogenative cleavage/N-alkylation tandem of cyclic and acyclic diazo (N=N) compounds to value-added amines under manganese catalysis. The reaction is catalyzed by a single-site molecular manganese complex and proceeds via tandem dehydrogenation, transfer hydrogenation, and borrowing hydrogenation strategies. Interestingly, the reaction involves abundantly available renewable feedstocks, such as alcohols, that can act as (transfer)hydrogenating and alkylating agents. The synthetic application of our approach in large-scale pharmaceutical synthesis and easy access to highly demanding N-CH3 /CD3 derivatives are also demonstrated. Kinetic studies show that the reaction rate depends on the concentration of alcohol and Mn-catalyst and follows fractional orders. Several selective bond activation/formation reactions occur sequentially via amine-amide metal-ligand cooperation.
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Affiliation(s)
- Reshma Babu
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, Andhra Pradesh, India
| | - Subarna Sukanya Padhy
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, Andhra Pradesh, India
| | - Rohit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, Andhra Pradesh, India
| | - Ekambaram Balaraman
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, Andhra Pradesh, India
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11
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Wang Z, Zheng Y, Feng J, Zhang W, Gao Q. Promoting Amination of Furfural to Furfurylamine by Metal-Support Interactions on Pd/MoO 3-x Catalysts. Chemistry 2023; 29:e202300947. [PMID: 37309246 DOI: 10.1002/chem.202300947] [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: 03/25/2023] [Revised: 06/01/2023] [Accepted: 06/12/2023] [Indexed: 06/14/2023]
Abstract
The reductive amination of carbonyl compounds is one of the most straightforward protocols to construct C-N bonds, but highly desires active and selective catalysts. Herein, Pd/MoO3-x catalysts are proposed for furfural amination, in which the interactions between Pd nanoparticles and MoO3-x supports can be easily ameliorated by varying the preparation temperature toward efficient catalytic turnover. Thanks to the synergistic cooperation of MoV -rich MoO3-x and highly dispersed Pd, the optimal catalysts afford the high yield of furfurylamine (84 %) at 80 °C. Thereinto, MoV species not only acts as the acidic promoter to facilitate the activation of carbonyl groups, but also interacts with Pd nanoparticles to promote the subsequent hydrogenolysis of Schiff base N-furfurylidenefurfurylamine and its germinal diamine. The good efficiency of Pd/MoO3-x within a broad substrate scope further highlights the key contribution of metal-support interactions to the refinery of biomass feedstocks.
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Affiliation(s)
- Zhiyuan Wang
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, 510632, Guangzhou, P. R. China
| | - Yinjian Zheng
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, 510632, Guangzhou, P. R. China
| | - Jiye Feng
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, 510632, Guangzhou, P. R. China
| | - Wenbiao Zhang
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, 510632, Guangzhou, P. R. China
| | - Qingsheng Gao
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, 510632, Guangzhou, P. R. China
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12
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Gao Y, Hong G, Yang BM, Zhao Y. Enantioconvergent transformations of secondary alcohols through borrowing hydrogen catalysis. Chem Soc Rev 2023; 52:5541-5562. [PMID: 37519093 DOI: 10.1039/d3cs00424d] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Direct substitution of readily available alcohols is recognized as a key research area in green chemical synthesis. Starting from simple racemic secondary alcohols, the achievement of catalytic enantioconvergent transformations of the substrates will be highly desirable for efficient access to valuable enantiopure compounds. To accomplish such attractive yet challenging transformations, the strategy of the enantioconvergent borrowing hydrogen methodology has proven to be uniquely effective and versatile. This review aims to provide an overview of the impressive progress made on this topic of research that has only thrived in the past decade. In particular, the conversion of racemic secondary alcohols to enantioenriched chiral amines, N-heterocycles, higher-order alcohols and ketones will be discussed in detail.
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Affiliation(s)
- Yaru Gao
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China.
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore.
| | - Guorong Hong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore.
| | - Bin-Miao Yang
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China.
| | - Yu Zhao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore.
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China.
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13
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Meyer CC, Krische MJ. Iridium-, Ruthenium-, and Nickel-Catalyzed C-C Couplings of Methanol, Formaldehyde, and Ethanol with π-Unsaturated Pronucleophiles via Hydrogen Transfer. J Org Chem 2023; 88:4965-4974. [PMID: 36449710 PMCID: PMC10121765 DOI: 10.1021/acs.joc.2c02356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
In this Perspective, the use of methanol and ethanol as C1 and C2 feedstocks in metal-catalyzed C-C couplings to π-unsaturated pronucleophiles via hydrogen auto-transfer is surveyed. In these processes, alcohol oxidation to form an aldehyde electrophile is balanced by reduction of an π-unsaturated hydrocarbon to form a transient organometallic nucleophile. Mechanistically related reductive couplings of paraformaldehyde mediated by alcohol reductants or formic acid also are described. These processes encompass the first catalytic enantioselective C-C couplings of methanol and ethanol and, more broadly, illustrate how the native reducing ability of alcohols enable the departure from premetalated reagents in carbonyl addition.
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Affiliation(s)
- Cole C Meyer
- University of Texas at Austin, Department of Chemistry Welch Hall (A5300), 105 E 24th St, Austin, Texas 78712, United States
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry Welch Hall (A5300), 105 E 24th St, Austin, Texas 78712, United States
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14
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Guin AK, Pal S, Chakraborty S, Chakraborty S, Paul ND. N-Alkylation of Amines by C1-C10 Aliphatic Alcohols Using A Well-Defined Ru(II)-Catalyst. A Metal-Ligand Cooperative Approach. J Org Chem 2023; 88:5944-5961. [PMID: 37052217 DOI: 10.1021/acs.joc.3c00313] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
A Ru(II)-catalyzed efficient and selective N-alkylation of amines by C1-C10 aliphatic alcohols is reported. The catalyst [Ru(L1a)(PPh3)Cl2] (1a) bearing a tridentate redox-active azo-aromatic pincer, 2-((4-chlorophenyl)diazenyl)-1,10-phenanthroline (L1a) is air-stable, easy to prepare, and showed wide functional group tolerance requiring only 1.0 mol % (for N-methylation and N-ethylation) and 0.1 mol % of catalyst loading for N-alkylation with C3-C10 alcohols. A wide array of N-methylated, N-ethylated, and N-alkylated amines were prepared in moderate to good yields via direct coupling of amines and alcohols. 1a efficiently catalyzes the N-alkylation of diamines selectively. It is even suitable for synthesizing N-alkylated diamines using (aliphatic) diols producing the tumor-active drug molecule MSX-122 in moderate yield. 1a showed excellent chemo-selectivity during the N-alkylation using oleyl alcohol and monoterpenoid β-citronellol. Control experiments and mechanistic investigations revealed that the 1a-catalyzed N-alkylation reactions proceed via a borrowing hydrogen transfer pathway where the hydrogen removed from the alcohol during the dehydrogenation step is stored in the ligand backbone of 1a, which in the subsequent steps transferred to the in situ formed imine intermediate to produce the N-alkylated amines.
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Affiliation(s)
- Amit Kumar Guin
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Subhasree Pal
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Subhajit Chakraborty
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Santana Chakraborty
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
| | - Nanda D Paul
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India
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15
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Ortega M, Manrique R, Jiménez R, Parreño M, Domine ME, Arteaga-Pérez LE. Secondary Amines from Catalytic Amination of Bio-Derived Phenolics over Pd/C and Rh/C: Effect of Operation Parameters. Catalysts 2023. [DOI: 10.3390/catal13040654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
The production of renewable chemicals using lignocellulosic biomass has gained significant attention in green chemistry. Among biomass-derived chemicals, secondary amines have emerged as promising intermediates for synthetic applications. Here, we report a systematic study on the reductive amination of phenolics with cyclohexylamine using Pd/C and Rh/C as catalysts. The catalytic tests were performed in batch reactors under different reaction conditions (various: amine concentration (0.1–0.4 mol/L), hydrogen pressure (0–2.5 bar), temperature (80–160 °C), and substituted phenols (phenol, o-cresol, p-cresol, and methoxyphenol)) and using tert-amyl alcohol as a solvent. The experimental observations were consistent with a multi-step mechanism, where hydrogenation of phenol to cyclohexanone is followed by condensation of the ketone with cyclohexylamine to form an imine, which is finally hydrogenated to produce secondary amines. In addition, there was evidence of parallel self-condensation of the cyclohexylamine. The study also supported a limited dehydrogenation capacity of Rh/C, unlike Pd/C, which increases this capacity at higher temperatures generating a higher yield of cyclohexylaniline (up to 15%). The study of the alkylated phenols demonstrated that the nature and propensity of hydrogenation of the phenolic controls their amination. Kinetic analysis revealed reaction orders between 0.4 and 0.7 for H2, indicating its dissociative adsorption. Meanwhile, phenol’s order (between 1–1.8) suggests a single participation of this compound in the hydrogenation step. The order of 0.4 for cyclohexylamine suggests its participation as a surface-abundant species. The apparent activation energies derived from a power law approximation were of 37 kJ/mol and 10 kJ/mol on Pd/C and Rh/C, respectively.
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16
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Ziółkowska A, Doroszuk J, Ponikiewski Ł. Overview of the Synthesis and Catalytic Reactivity of Transition Metal Complexes Based on C═P Bond Systems. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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17
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Peng X, Zeng L, Wang D, Liu Z, Li Y, Li Z, Yang B, Lei L, Dai L, Hou Y. Electrochemical C-N coupling of CO 2 and nitrogenous small molecules for the electrosynthesis of organonitrogen compounds. Chem Soc Rev 2023; 52:2193-2237. [PMID: 36806286 DOI: 10.1039/d2cs00381c] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Electrochemical C-N coupling reactions based on abundant small molecules (such as CO2 and N2) have attracted increasing attention as a new "green synthetic strategy" for the synthesis of organonitrogen compounds, which have been widely used in organic synthesis, materials chemistry, and biochemistry. The traditional technology employed for the synthesis of organonitrogen compounds containing C-N bonds often requires the addition of metal reagents or oxidants under harsh conditions with high energy consumption and environmental concerns. By contrast, electrosynthesis avoids the use of other reducing agents or oxidants by utilizing "electrons", which are the cleanest "reagent" and can reduce the generation of by-products, consistent with the atomic economy and green chemistry. In this study, we present a comprehensive review on the electrosynthesis of high value-added organonitrogens from the abundant CO2 and nitrogenous small molecules (N2, NO, NO2-, NO3-, NH3, etc.) via the C-N coupling reaction. The associated fundamental concepts, theoretical models, emerging electrocatalysts, and value-added target products, together with the current challenges and future opportunities are discussed. This critical review will greatly increase the understanding of electrochemical C-N coupling reactions, and thus attract research interest in the fixation of carbon and nitrogen.
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Affiliation(s)
- Xianyun Peng
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Libin Zeng
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Dashuai Wang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Zhibin Liu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Yan Li
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
| | - Zhongjian Li
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Bin Yang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Lecheng Lei
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
| | - Liming Dai
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
| | - Yang Hou
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
- Institute of Zhejiang University - Quzhou, Quzhou, 324000, China
- Donghai Laboratory, Zhoushan, China
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18
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Saludares C, Ortiz E, Santana CG, Spinello BJ, Krische MJ. Asymmetric Ruthenium-Catalyzed Carbonyl Allylations by Gaseous Allene via Hydrogen Auto-Transfer: 1° vs 2° Alcohol Dehydrogenation for Streamlined Polyketide Construction. ACS Catal 2023; 13:1662-1668. [PMID: 37869365 PMCID: PMC10586519 DOI: 10.1021/acscatal.2c05425] [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] [Indexed: 01/15/2023]
Abstract
Iodide-bound ruthenium-JOSIPHOS complexes catalyze the redox-neutral C-C coupling of primary alcohols 2a-2r with the gaseous allene (propadiene) 1a to form enantiomerically enriched homoallylic alcohols 3a-3r with complete atom-efficiency. Using formic acid as reductant, aldehydes dehydro-2a and dehydro-2c participate in reductive C-C coupling with allene to deliver adducts 3a and 3c with comparable levels of asymmetric induction. Deuterium labeling studies corroborate a mechanism in which alcohol dehydrogenation triggers allene hydroruthenation to form transient allylruthenium-aldehyde pairs that participate in carbonyl addition. Notably, due to a kinetic preference for primary alcohol dehydrogenation, chemoselective C-C coupling of 1°,2°-1,3-diols occurs in the absence of protecting groups. As illustrated by the synthesis of C7-C15 of spirastrellolide B and F (7 vs 17 steps), C3-C10 of cryptocarya diacetate (3 vs 7 or 9 steps), and a fragment common to C8'-C14' of mycolactone F (1 vs 4 steps) and C22-C28 marinomycin A (1 vs 9 steps), this capability streamlines type I polyketide construction.
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Affiliation(s)
- Connor Saludares
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Eliezer Ortiz
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Cate G Santana
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Brian J Spinello
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. Austin, TX 78712, USA
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19
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Synthesis, crystal structure, DFT studies and catalytic activity of an N-(2,2-dimethyl-1,3-dioxolane-4yl-methyl)benzimidazole ruthenium(II) hydrate complex. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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20
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Donthireddy SNR, Siddique M, Rit A. N-Heterocyclic Carbene-Supported Nickel-Catalyzed Selective (Un)Symmetrical N-Alkylation of Aromatic Diamines with Alcohols. J Org Chem 2023; 88:1135-1146. [PMID: 36603160 DOI: 10.1021/acs.joc.2c02639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The "borrowing hydrogen" (BH) approach for the N-alkylation of phenylenediamines using alcohols as coupling partners is highly challenging due to the selectivity issue of the generated products. Furthermore, the development of base-metal systems that can potentially substitute precious metals with competitive activity is a major challenge in BH catalysis. We present herein an efficient protocol for the N,N'-di-alkylation of aromatic diamines using an in situ-generated Ni-NHC complex from NiCl2 and the ligand L1, which gave access to a wide range of N,N'-di-alkylated orthophenylene diamines (rather than the generally observed benzimidazole derivatives), meta- and para-phenylene diamines along with 2,6-diamino pyridine derivatives in good to excellent yields. Moreover, the catalyst system was also successful in the derivatization of a clinically important drug molecule, Dapsone. Notably, the present protocol could be applied effectively to synthesize unsymmetrically substituted N,N'-di-alkylated diamines via sequential alkylation and is the first report in the base-metal system to the best of our knowledge. Diverse control experiments including the deuterium incorporation studies suggest that the present protocol proceeds via a BH sequence.
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Affiliation(s)
- S N R Donthireddy
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Misba Siddique
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Arnab Rit
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
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21
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Gupta P, Drexler HJ, Wingad R, Wass D, Baráth E, Beweries T, Hering-Junghans C. P,N-type phosphaalkene-based Ir( i) complexes: synthesis, coordination chemistry, and catalytic applications. Inorg Chem Front 2023. [DOI: 10.1039/d3qi00142c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Iridium P,N phosphaalkene complexes show a rich coordination chemistry with unusual twofold C–H activation. The Ir(i) chloride complex can be applied for C–N coupling and alcohol upgrading reactions.
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22
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Liang X, Yoo M, Schempp T, Maejima S, Krische MJ. Ruthenium-Catalyzed Butadiene-Mediated Crotylation and Oxazaborolidine-Catalyzed Vinylogous Mukaiyama Aldol Reaction for The Synthesis of C1-C19 and C23-C35 of Neaumycin B. Angew Chem Int Ed Engl 2022; 61:e202214786. [PMID: 36322115 PMCID: PMC9772151 DOI: 10.1002/anie.202214786] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Indexed: 11/07/2022]
Abstract
Neaumycin B is a femtomolar inhibitor of U87 human glioblastoma. Using a newly developed anti-diastereoselective ruthenium-catalyzed butadiene-mediated crotylation of primary alcohol proelectrophiles via hydrogen auto-transfer, as well as a novel variant of the catalytic asymmetric vinylogous Mukaiyama aldol (VMA) reaction applicable to linear aliphatic aldehydes and terminally methylated dienyl ketene acetals, preparation of the key C1-C19 and C23-C35 substructures of neaumycin B is achieved in 12 and 7 steps (LLS), respectively.
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Affiliation(s)
- Xinting Liang
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Minjin Yoo
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Tabitha Schempp
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Saki Maejima
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX 78712-1167 (USA)
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23
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Ortiz E, Spinello BJ, Cho Y, Wu J, Krische MJ. Stereo- and Site-Selective Crotylation of Alcohol Proelectrophiles via Ruthenium-Catalyzed Hydrogen Auto-Transfer Mediated by Methylallene and Butadiene. Angew Chem Int Ed Engl 2022; 61:e202212814. [PMID: 36201364 PMCID: PMC9712268 DOI: 10.1002/anie.202212814] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Indexed: 11/06/2022]
Abstract
Iodide-bound ruthenium-JOSIPHOS complexes catalyze the redox-neutral C-C coupling of primary alcohols with methylallene (1,2-butadiene) or 1,3-butadiene to form products of anti-crotylation with good to excellent levels of diastereo- and enantioselectivity. Distinct from other methods, direct crotylation of primary alcohols in the presence of unprotected secondary alcohols is possible, enabling generation of spirastrellolide B (C9-C15) and leucascandrolide A (C9-C15) substructures in significantly fewer steps than previously possible.
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Affiliation(s)
| | | | - Yoon Cho
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712-1167 (USA)
| | - Jessica Wu
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712-1167 (USA)
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712-1167 (USA)
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24
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Direct substitution of the hydroxy group of alcohols with N-nucleophiles mediated by the substoichiometric amount of Selectfluor F-TEDA-BF as a precatalyst under mild reaction conditions. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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25
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Ruthenium‐Catalyzed Butadiene‐Mediated Crotylation and Oxazaborolidine‐Catalyzed Vinylogous Mukaiyama Aldol Reaction for The Synthesis of C1–C19 and C23–C35 of Neaumycin B. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202214786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Ortiz E, Shezaf JZ, Shen W, Krische MJ. Historical perspective on ruthenium-catalyzed hydrogen transfer and survey of enantioselective hydrogen auto-transfer processes for the conversion of lower alcohols to higher alcohols. Chem Sci 2022; 13:12625-12633. [PMID: 36516346 PMCID: PMC9645367 DOI: 10.1039/d2sc05621f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 10/20/2022] [Indexed: 07/28/2023] Open
Abstract
Ruthenium-catalyzed hydrogen auto-transfer reactions for the direct enantioselective conversion of lower alcohols to higher alcohols are surveyed. These processes enable completely atom-efficient carbonyl addition from alcohol proelectrophiles in the absence of premetalated reagents or metallic reductants. Applications in target-oriented synthesis are highlighted, and a brief historical perspective on ruthenium-catalyzed hydrogen transfer processes is given.
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Affiliation(s)
- Eliezer Ortiz
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Jonathan Z Shezaf
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Weijia Shen
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, Welch Hall (A5300) 105 E 24th St. Austin TX 78712 USA
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27
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N-Iodosuccinimide as a Precatalyst for C–N Bond-Forming Reactions from Alcohols under Mild Reaction Conditions. Catalysts 2022. [DOI: 10.3390/catal12111368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
We report an efficient and selective methodology for the direct cross-coupling of alcohols with N-nucleophiles mediated by N-iodosuccinimide (NIS) as the non-metal, commercially available, low-cost, and most effective precatalyst among the N-halosuccinimides (NXSs) under mild reaction conditions enhancing the green chemical profiles of these reactions. The scale-up procedure was accomplished with almost quantitative yield, verifying the presented method’s synthetic applicability and potential for industrial application.
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28
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Ruijten D, Narmon T, De Weer H, van der Zweep R, Poleunis C, Debecker DP, Maes BUW, Sels BF. Hydrogen Borrowing: towards Aliphatic Tertiary Amines from Lignin Model Compounds Using a Supported Copper Catalyst. CHEMSUSCHEM 2022; 15:e202200868. [PMID: 35900053 DOI: 10.1002/cssc.202200868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/28/2022] [Indexed: 06/15/2023]
Abstract
Upcoming biorefineries, such as lignin-first provide renewable aromatics containing unique aliphatic alcohols. In this context, a Cu-ZrO2 catalyzed hydrogen borrowing approach was established to yield tertiary amine from the lignin model monomer 3-(3,4-dimethoxyphenyl)-1-propanol and the actual lignin-derived monomers, (3-(4-hydroxyphenyl)-1-propanol and dihydroconiferyl alcohol), with dimethylamine. Various industrial metal catalysts were evaluated, resulting in nearly quantitative mass balances for most catalysts. Identified intermediates, side and reaction products were placed into a corresponding reaction network, supported by kinetic evolution experiments. Cu-ZrO2 was selected as most suitable catalyst combining high alcohol conversion with respectable aliphatic tertiary amine selectivity. Low pressure H2 was key for high catalyst activity and tertiary amine selectivity, mainly by hindering undesired reactant dimethylamine disproportionation and alcohol amidation. Besides dimethylamine model, diverse secondary amine reactants were tested with moderate to high tertiary amine yields. As most active catalytic site, highly dispersed Cu species in strong contact with ZrO2 is suggested. ToF-SIMS, N2 O chemisorption, TGA and XPS of spent Cu-ZrO2 revealed that imperfect amine product desorption and declining surface Cu lowered the catalytic activity upon catalyst reuse, while thermal reduction readily restored the initial activity and selectivity demonstrating catalyst reuse.
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Affiliation(s)
- Dieter Ruijten
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Thomas Narmon
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Hanne De Weer
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Robbe van der Zweep
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Claude Poleunis
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain (UCLouvain), 1348, Louvain-La-Neuve, Belgium
| | - Damien P Debecker
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain (UCLouvain), 1348, Louvain-La-Neuve, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp, 2020, Belgium
| | - Bert F Sels
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
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29
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Gayathri S, Viswanathamurthi P, Bertani R, Sgarbossa P. Ruthenium Complexes Bearing α-Diimine Ligands and Their Catalytic Applications in N-Alkylation of Amines, α-Alkylation of Ketones, and β-Alkylation of Secondary Alcohols. ACS OMEGA 2022; 7:33107-33122. [PMID: 36157732 PMCID: PMC9494662 DOI: 10.1021/acsomega.2c03200] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/24/2022] [Indexed: 06/16/2023]
Abstract
New Ru(II) complexes encompassing α-diimine ligands were synthesized by reacting ruthenium precursors with α-diimine hydrazones. The new ligands and Ru(II) complexes were analyzed by analytical and various spectroscopic methods. The molecular structures of L1 and complexes 1, 3, and 4 were determined by single-crystal XRD studies. The results reveal a distorted octahedral geometry around the Ru(II) ion for all complexes. Moreover, the new ruthenium complexes show efficient catalytic activity toward the C-N and C-C coupling reaction involving alcohols. Particularly, complex 3 demonstrates effective conversion in N-alkylation of aromatic amines, α-alkylation of ketones, and β-alkylation of alcohols.
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Affiliation(s)
- Sekar Gayathri
- Department
of Chemistry, Periyar University, Salem 636 011, Tamil Nadu, India
| | | | - Roberta Bertani
- Department
of Industrial Engineering, University of
Padova, via F. Marzoloa, Padova 35131, Italy
| | - Paolo Sgarbossa
- Department
of Industrial Engineering, University of
Padova, via F. Marzoloa, Padova 35131, Italy
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30
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Ha MT, Nguyen NT, Tran NH, Ho QV, Son NT, Nguyen VH, Nguyen H, Do DV, Hung TQ, Mai BK, Dang TT. Cu‐catalyzed Synthesis of Quinolines by Dehydrogenative Reaction of 2‐Aminobenzyl Alcohol and Ketones: A Combined Experimental and Computational Study. Chem Asian J 2022; 17:e202200909. [DOI: 10.1002/asia.202200909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/15/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Minh Tuan Ha
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Nina Thi Nguyen
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Ngoc Huyen Tran
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Quoc Viet Ho
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Nguyen Thi Son
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Van Ha Nguyen
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Hien Nguyen
- Hanoi National University of Education Department of Chemistry VIET NAM
| | - Dang Van Do
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
| | - Tran Quang Hung
- Vietnamese Academy of Science: Vietnam Academy of Science and Technology Department of Chemistry VIET NAM
| | - Binh Khanh Mai
- University of Pittsburgh Department of Chemistry 219 Parkman Avenue 15260 Pittsburgh UNITED STATES
| | - Tuan Thanh Dang
- VNU-HUS: Vietnam National University University of Science Department of Chemistry VIET NAM
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31
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Borrowing hydrogen amination: Whether a catalyst is required? J Catal 2022. [DOI: 10.1016/j.jcat.2022.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Emayavaramban B, Chakraborty P, Dahiya P, Sundararaju B. Iron-Catalyzed α-Methylation of Ketones Using Methanol as the C1 Source under Photoirradiation. Org Lett 2022; 24:6219-6223. [PMID: 35960264 DOI: 10.1021/acs.orglett.2c02545] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A mild, environmentally benign approach for α-methylation of ketones utilizing methanol as the C1 source under visible light has been developed. The reaction conditions were favorable for a wide range of ketones with both aromatic and aliphatic backbones, allowing for good-to-excellent yields of the respective products. The tentative mechanism is postulated after preliminary mechanistic and kinetic experiments.
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Affiliation(s)
| | - Priyanka Chakraborty
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Pardeep Dahiya
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Basker Sundararaju
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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33
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Gupta NK, Reif P, Palenicek P, Rose M. Toward Renewable Amines: Recent Advances in the Catalytic Amination of Biomass-Derived Oxygenates. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Navneet Kumar Gupta
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Phillip Reif
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Phillip Palenicek
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Marcus Rose
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
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34
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Heider C, Pietschmann D, Vogt D, Seidensticker T. Selective Synthesis of Primary Amines by kinetic‐based Optimization of the Ruthenium‐Xantphos Catalysed Amination of Alcohols with Ammonia. ChemCatChem 2022. [DOI: 10.1002/cctc.202200788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Christian Heider
- TU Dortmund: Technische Universitat Dortmund Biochemical and Chemical Engineering 44227 Dortmund GERMANY
| | - Dominik Pietschmann
- TU Dortmund: Technische Universitat Dortmund Biochemical and Chemical Engineering GERMANY
| | - Dieter Vogt
- TU Dortmund: Technische Universitat Dortmund Biochemical and Chemical Engineering GERMANY
| | - Thomas Seidensticker
- TU Dortmund University: Technische Universitat Dortmund Biochemical and Chemical Engineering Emil-Figge-Straße 66 44227 Dortmund GERMANY
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35
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Guo W, Liu Z, Wu F, Luo Y, Yao Z. [NN]‐Chelate nickel complexes with Schiff base ligands: Synthesis, structure and catalytic activity in green amidation reaction. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Wen Guo
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Zhen‐Jiang Liu
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Fanhong Wu
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
| | - Yu‐Zhou Luo
- Business School Guilin University of Technology Guilin China
| | - Zi‐Jian Yao
- School of Chemical and Environmental Engineering Shanghai Institute of Technology Shanghai China
- Key Lab of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai China
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36
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Yang DY, Wang H, Chang CR. Recent Advances for Alkylation of Ketones and Secondary Alcohols using Alcohols in Homogeneous Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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37
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Yu H, Ma L, Wada K, Kurihara R, Feng Q, Uemura S, Isoda K. Solvent-free Multi-alkylation of Urea with Alcohols Catalyzed by Titania-supported Iridium Catalyst with a Strong Metal-Support Interaction. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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38
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Song A, Liu Y, Jin X, Su D, Li Z, Yu S, Xing L, Xu X, Wang R, Li F. Metal-ligand cooperative iridium complex catalyzed C-alkylation of oxindole and 1,3-dimethylbarbituric acid using alcohols. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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39
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Combining Ni3P and Lewis Acid–Base Pair as a High-Performance Catalyst for Amination of 1-Octanol. Catal Letters 2022. [DOI: 10.1007/s10562-022-04035-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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40
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Podyacheva E, Afanasyev OI, Vasilyev DV, Chusov D. Borrowing Hydrogen Amination Reactions: A Complex Analysis of Trends and Correlations of the Various Reaction Parameters. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01133] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Evgeniya Podyacheva
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Oleg I. Afanasyev
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
| | - Dmitry V. Vasilyev
- Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Egerlandstr. 3, 91058 Erlangen, Germany
| | - Denis Chusov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
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41
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Das K, Waiba S, Jana A, Maji B. Manganese-catalyzed hydrogenation, dehydrogenation, and hydroelementation reactions. Chem Soc Rev 2022; 51:4386-4464. [PMID: 35583150 DOI: 10.1039/d2cs00093h] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The emerging field of organometallic catalysis has shifted towards research on Earth-abundant transition metals due to their ready availability, economic advantage, and novel properties. In this case, manganese, the third most abundant transition-metal in the Earth's crust, has emerged as one of the leading competitors. Accordingly, a large number of molecularly-defined Mn-complexes has been synthesized and employed for hydrogenation, dehydrogenation, and hydroelementation reactions. In this regard, catalyst design is based on three pillars, namely, metal-ligand bifunctionality, ligand hemilability, and redox activity. Indeed, the developed catalysts not only differ in the number of chelating atoms they possess but also their working principles, thereby leading to different turnover numbers for product molecules. Hence, the critical assessment of molecularly defined manganese catalysts in terms of chelating atoms, reaction conditions, mechanistic pathway, and product turnover number is significant. Herein, we analyze manganese complexes for their catalytic activity, versatility to allow multiple transformations and their routes to convert substrates to target molecules. This article will also be helpful to get significant insight into ligand design, thereby aiding catalysis design.
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Affiliation(s)
- Kuhali Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.
| | - Satyadeep Waiba
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.
| | - Akash Jana
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.
| | - Biplab Maji
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.
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42
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Gimferrer M, Joly N, Escayola S, Viñas E, Gaillard S, Solà M, Renaud JL, Salvador P, Poater A. Knölker Iron Catalysts for Hydrogenation Revisited: A Nonspectator Solvent and Fine-Tuning. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00099] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Martí Gimferrer
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
| | - Nicolas Joly
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Sílvia Escayola
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 Donostia, Euskadi, Spain
| | - Eduard Viñas
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
| | - Sylvain Gaillard
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
| | - Jean-Luc Renaud
- Normandie Univ, LCMT, ENSICAEN, UNICAEN, CNRS, 6 boulevard du Maréchal Juin, 14000 Caen, France
| | - Pedro Salvador
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Ma̲ Aurèlia Capmany 69, 17003 Girona, Catalonia, Spain
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43
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Verma R, Jing Y, Liu H, Aggarwal V, Goswami HK, Bala E, Ke Z, Verma PK. Employing Ammonia for Diverse Amination Reactions: Recent Developments of Abundantly Available and Challenging Nitrogen Sources. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Rahul Verma
- Shoolini University School of Advanced Chemical Sciences INDIA
| | - Yaru Jing
- Sun Yat-sen University School of Chemistry and Chemical Engineering: Sun Yat-sen University School of Chemistry School of Materials Science & Engineering, PCFM Lab INDIA
| | - Honghu Liu
- Sun Yat-sen University School of Chemistry and Chemical Engineering: Sun Yat-sen University School of Chemistry School of Materials Science & Engineering, PCFM Lab INDIA
| | - Varun Aggarwal
- Shoolini University School of Advanced Chemical Sciences INDIA
| | | | - Ekta Bala
- Shoolini University School of Advanced Chemical Sciences 173229 Solan INDIA
| | - Zhuofeng Ke
- Sun Yat-sen University School of Chemistry and Chemical Engineering: Sun Yat-sen University School of Chemistry chool of Materials Science & Engineering, PCFM Lab INDIA
| | - Praveen Kumar Verma
- Shoolini University School of Advanced Chemical Sciences Solan 173229 Solan INDIA
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44
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Badazhkova VD, Savela R, Leino R. Selective modification of hydroxyl groups in lignin model compounds by ruthenium-catalyzed transfer hydrogenation. Dalton Trans 2022; 51:6587-6596. [PMID: 35315857 DOI: 10.1039/d2dt00267a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Selective ruthenium-catalyzed oxidation of lignin diol model compounds and lignin was accomplished by a transfer hydrogenation methodology. The developed procedure allows us to selectively oxidize benzylic secondary alcohols in model diols and spruce milled wood lignin in the presence of a commercially available Shvo catalyst under aerobic conditions. Six ketoalcohols were obtained in 70-92% yields from the model compounds, which also included lignin monomers containing 5-5' and β-O-4 linkages. The developed method can be used as an intermediate step for the introduction of new functional groups into lignin-type structures and lignin to allow their further modifications.
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Affiliation(s)
- Veronika D Badazhkova
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, 20500 Åbo, Finland.
| | - Risto Savela
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, 20500 Åbo, Finland.
| | - Reko Leino
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, 20500 Åbo, Finland.
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45
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Wang H, Lin Y, Lu J. Ultra-thin nickel oxide overcoating of noble metal catalysts for directing selective hydrogenation of nitriles to secondary amines. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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46
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Construction of C–N bonds from small-molecule precursors through heterogeneous electrocatalysis. Nat Rev Chem 2022; 6:303-319. [PMID: 37117934 DOI: 10.1038/s41570-022-00379-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2022] [Indexed: 12/24/2022]
Abstract
Energy-intensive thermochemical processes within chemical manufacturing are a major contributor to global CO2 emissions. With the increasing push for sustainability, the scientific community is striving to develop renewable energy-powered electrochemical technologies in lieu of CO2-emitting fossil-fuel-driven methods. However, to fully electrify chemical manufacturing, it is imperative to expand the scope of electrosynthetic technologies, particularly through the innovation of reactions involving nitrogen-based reactants. This Review focuses on a rapidly emerging area, namely the formation of C-N bonds through heterogeneous electrocatalysis. The C-N bond motif is found in many fertilizers (such as urea) as well as commodity and fine chemicals (with functional groups such as amines and amides). The ability to generate C-N bonds from reactants such as CO2, NO3- or N2 would provide sustainable alternatives to the thermochemical routes used at present. We start by examining thermochemical, enzymatic and molecular catalytic systems for C-N bond formation, identifying how concepts from these can be translated to heterogeneous electrocatalysis. Next, we discuss successful heterogeneous electrocatalytic systems and highlight promising research directions. Finally, we discuss the remaining questions and knowledge gaps and thus set the trajectory for future advances in heterogeneous electrocatalytic formation of C-N bonds.
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47
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Sardar B, Jamatia R, Samanta A, Srimani D. Ru Doped Hydrotalcite Catalyzed Borrowing Hydrogen-Mediated N-Alkylation of Benzamides, Sulfonamides, and Dehydrogenative Synthesis of Quinazolinones. J Org Chem 2022; 87:5556-5567. [PMID: 35442678 DOI: 10.1021/acs.joc.1c02913] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient Ru doped hydrotalcite catalyzed N-alkylation of benzamides and sulfonamides with alcohols via borrowing hydrogen catalysis is illustrated. Various primary alcohols, including benzyl, heteroaryl, and aliphatic alcohols, were alkylated in good to excellent yields. To shed light on the mechanistic details, several control studies and deuterium labeling experiments were performed. Mechanistic studies underpin that the reaction is going via a borrowing hydrogen pathway rather than an SN1 type mechanism. The reaction can be easily scaled up without any detrimental effect on the yield. The catalyst is also capable of synthesizing quinazolinone directly from 2-aminobenzamide and alcohols. Successful recyclability and high reactivity highlight the practical applicability of the catalyst.
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Affiliation(s)
- Bitan Sardar
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam, Guwahati Pin 781039, India
| | - Ramen Jamatia
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam, Guwahati Pin 781039, India.,Department of Chemistry, Rajiv Gandhi University, Rono Hills, Doimukh, Arunachal Pradesh 791112, India
| | - Arup Samanta
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam, Guwahati Pin 781039, India
| | - Dipankar Srimani
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam, Guwahati Pin 781039, India
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48
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Wu S, Song W, Zhu R, Hu J, Zhao L, Li Z, Yu X, Xia C, Zhao J. Catalyst-Free α-Alkylation-α-Hydroxylation of Oxindole with Alcohols. J Org Chem 2022; 87:5464-5471. [PMID: 35389661 DOI: 10.1021/acs.joc.1c02185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
3-Alkyl-3-hydroxyoxindoles, a subclass of oxindole products, have antioxidant, neuroprotective, anticancer, and anti-HIV activities. In this study, a green and economical protocol for the synthesis of 3-alkyl-3-hydroxyoxindoles is developed for the first time via α-alkylation-α-hydroxylation of oxindole with benzyl alcohols without using any transition-metal catalysts in yields of 29-93%.
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Affiliation(s)
- Siwei Wu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Wei Song
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Runyu Zhu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Jingwen Hu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Lin Zhao
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Zheyao Li
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Xinhong Yu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
| | - Chengcai Xia
- Institute of Pharmacology, School of Pharmaceutical Sciences, Taishan Medical University, Taian, Shandong 271016, People's Republic of China
| | - Jianhong Zhao
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design, School of Pharmacy, and State Key Laboratory of Bioengineering Reactors, East China University of Science & Technology, Shanghai 200237, People's Republic of China
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49
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Liu P, Chen X, Xu X, Yang L, Zeng G, Ye C, Shi Q, Yang J, Li F. From hydrogen autotransfer process to deuterium autotransfer process: The N-trideuteromethylation of amines with deuterated methanol to trideuteromethylated amines catalyzed by a Cp*Ir complex bearing a flexible bridging and functional ligand. J Catal 2022. [DOI: 10.1016/j.jcat.2022.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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50
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Beepala SK, Mitta H, Sk H, Balla P, Komandur VC. Reductive amination of cyclohexanol/cyclohexanone to cyclohexylamine using SBA-15 supported copper catalysts. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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