1
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Rosales J, Jiménez T, Chahboun R, Huertos MA, Millán A, Justicia J. Mild and Selective Hydrogenation of Unsaturated Compounds Using Mn/Water as a Hydrogen Gas Source. Org Lett 2024; 26:2147-2151. [PMID: 38096174 DOI: 10.1021/acs.orglett.3c03664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
A mild and highly selective reduction of alkenes and alkynes using Mn/water is described. The highly controlled generation of H2 allows the selective reduction of these compounds in the presence of labile functional groups under mild and environmentally acceptable conditions.
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Affiliation(s)
- Jennifer Rosales
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, C. U. Fuentenueva s/n, 18071 Granada, Spain
| | - Tania Jiménez
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, C. U. Fuentenueva s/n, 18071 Granada, Spain
| | - Rachid Chahboun
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, C. U. Fuentenueva s/n, 18071 Granada, Spain
| | - Miguel A Huertos
- University of Basque Country (UPV/EHU), 20018 Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
| | - Alba Millán
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, C. U. Fuentenueva s/n, 18071 Granada, Spain
| | - José Justicia
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, C. U. Fuentenueva s/n, 18071 Granada, Spain
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2
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Oloyede UN, Flowers RA. Coordination-induced bond weakening and small molecule activation by low-valent titanium complexes. Dalton Trans 2024; 53:2413-2441. [PMID: 38224159 DOI: 10.1039/d3dt03454b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Bond activation of small molecules through coordination to low valent metal complexes in M⋯X-H type interactions (where X = O, N, B, Si, etc.) leads to the formation of unusually weak X-H bonds and provides a powerful approach for the synthesis of target compounds under very mild conditions. Coordination of small molecules like water, amides, silanes, boranes, and dinitrogen to Ti(III) or Ti(II) complexes results in the synergetic redistribution of electrons between the metal orbitals and the ligand orbitals which weakens and enables the facile cleavage of the X-H or N-N bonds of the ligands. This review presents an overview of coordination-induced bond activation of small molecules by low valent titanium complexes. In particular, the applications of low valent titanium-induced bond weakening in nitrogen fixation are presented. The review concludes with potential future directions for work in this area including low-valent Ti-based PCET systems, photocatalytic nitrogen reduction, and approaches to tailoring complexes for optimal bond activation.
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Affiliation(s)
| | - Robert A Flowers
- Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
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3
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Wu B, Bai YQ, Wang XQ, Huang WJ, Zhou YG. The Proton of Alcohols as Hydrogen Source in Diboron-Mediated Nickel-Catalyzed Asymmetric Transfer Hydrogenation of Cyclic N-Sulfonyl Imines. J Org Chem 2024; 89:710-718. [PMID: 38101332 DOI: 10.1021/acs.joc.3c01773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
The proton of alcohols as the sole hydrogen source in diboron-mediated nickel-catalyzed asymmetric transfer hydrogenation of cyclic N-sulfonyl imines has been developed, providing the chiral cyclic sulfamidates in excellent enantioselectivities. The mechanistic investigations suggested that the proton of alcohols could be activated by tetrahydroxydiboron to form active nickel hydride species.
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Affiliation(s)
- Bo Wu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
| | - Yu-Qing Bai
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xiao-Qing Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
| | - Wen-Jun Huang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning 116023, P. R. China
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4
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Taleb B, Jahjah R, Cornu D, Bechelany M, Al Ajami M, Kataya G, Hijazi A, El-Dakdouki MH. Exploring Hydrogen Sources in Catalytic Transfer Hydrogenation: A Review of Unsaturated Compound Reduction. Molecules 2023; 28:7541. [PMID: 38005261 PMCID: PMC10673347 DOI: 10.3390/molecules28227541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Catalytic transfer hydrogenation has emerged as a pivotal chemical process with transformative potential in various industries. This review highlights the significance of catalytic transfer hydrogenation, a reaction that facilitates the transfer of hydrogen from one molecule to another, using a distinct molecule as the hydrogen source in the presence of a catalyst. Unlike conventional direct hydrogenation, catalytic transfer hydrogenation offers numerous advantages, such as enhanced safety, cost-effective hydrogen donors, byproduct recyclability, catalyst accessibility, and the potential for catalytic asymmetric transfer hydrogenation, particularly with chiral ligands. Moreover, the diverse range of hydrogen donor molecules utilized in this reaction have been explored, shedding light on their unique properties and their impact on catalytic systems and the mechanism elucidation of some reactions. Alcohols such as methanol and isopropanol are prominent hydrogen donors, demonstrating remarkable efficacy in various reductions. Formic acid offers irreversible hydrogenation, preventing the occurrence of reverse reactions, and is extensively utilized in chiral compound synthesis. Unconventional donors such as 1,4-cyclohexadiene and glycerol have shown a good efficiency in reducing unsaturated compounds, with glycerol additionally serving as a green solvent in some transformations. The compatibility of these donors with various catalysts, substrates, and reaction conditions were all discussed. Furthermore, this paper outlines future trends which include the utilization of biomass-derived hydrogen donors, the exploration of hydrogen storage materials such as metal-organic frameworks (MOFs), catalyst development for enhanced activity and recyclability, and the utilization of eco-friendly solvents such as glycerol and ionic liquids. Innovative heating methods, diverse base materials, and continued research into catalyst-hydrogen donor interactions are aimed to shape the future of catalytic transfer hydrogenation, enhancing its selectivity and efficiency across various industries and applications.
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Affiliation(s)
- Batoul Taleb
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
| | - Rabih Jahjah
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - David Cornu
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Mikhael Bechelany
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
- Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology (GUST), Mubarak Al-Abdullah 32093, Kuwait
| | - Mohamad Al Ajami
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Ghenwa Kataya
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Akram Hijazi
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Mohammad H. El-Dakdouki
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
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5
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Shi J, Ye T, Dong J, Liu A, Xu T, Tai M, Zhang L, Wang C. H 2O as the Hydrogen Donor: Stereo-Selective Synthesis of E- and Z-Alkenes by Palladium-Catalyzed Semihydrogenation of Alkynes. ACS OMEGA 2023; 8:11492-11502. [PMID: 37008091 PMCID: PMC10061537 DOI: 10.1021/acsomega.3c00287] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
It is very desirable to develop a facile controllable method for selective semihydrogenation of alkynes to alkenes with a cheap and safe hydrogen donor but remains a big challenge. H2O is one of the best choices of the transfer hydrogenation agent of the world, and the development of methods for synthesizing E- and Z-alkenes using H2O as the hydrogen source is worthwhile. In this article, a palladium-catalyzed synthesis of E- and Z-alkenes from alkynes using H2O as the hydrogenation agent was reported. The use of di-tert-butylphosphinous chloride (t-Bu2PCl) and triethanolamine/sodium acetate (TEOA/NaOAc) was essential for the stereo-selective semihydrogenation of alkynes. The general applicability of this procedure was highlighted by the synthesis of more than 48 alkenes, with good yields and high stereoselectivities.
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6
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Liu HY, Neale SE, Hill MS, Mahon MF, McMullin CL. Structural snapshots of an Al-Cu bond-mediated transformation of terminal acetylenes. Chem Sci 2023; 14:2866-2876. [PMID: 36937577 PMCID: PMC10016343 DOI: 10.1039/d3sc00240c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 02/14/2023] [Indexed: 02/17/2023] Open
Abstract
The copper(i) alumanyl derivative, [{SiNDipp}Al-Cu(NHCiPr)] (SiNDipp = {CH2SiMe2NDipp}2; Dipp = 2,6-di-isopropylphenyl; NHCiPr = N,N'-di-isopropyl-4,5-dimethyl-2-ylidene), reacts in a stepwise fashion with up to three equivalents of various terminal alkynes. This reactivity results in the sequential formation of cuprous (hydrido)(alkynyl)aluminate, (alkenyl)(alkynyl)aluminate and bis(alkynyl)aluminate derivatives, examples of which have been fully characterised. The process of alkene liberation resulting from the latter reaction step constitutes a unique case of alkyne transfer semi-hydrogenation in which the C-H acidic alkyne itself acts as a source of proton, with the Cu-Al bond providing the requisite electrons to effect reduction. This reaction sequence is validated by DFT calculations, which rationalise the variable stability of the initially formed heterobimetallic hydrides.
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Affiliation(s)
- Han-Ying Liu
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Samuel E Neale
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Michael S Hill
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Mary F Mahon
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
| | - Claire L McMullin
- Department of Chemistry, University of Bath Claverton Down Bath BA2 7AY UK
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7
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Gregori BJ, Schmotz MWS, Jacobi von Wangelin A. Stereoselective Semi-Hydrogenations of Alkynes by First-Row (3d) Transition Metal Catalysts. ChemCatChem 2022; 14:e202200886. [PMID: 36632425 PMCID: PMC9825939 DOI: 10.1002/cctc.202200886] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/25/2022] [Indexed: 01/14/2023]
Abstract
The chemo- and stereoselective semi-hydrogenation of alkynes to alkenes is a fundamental transformation in synthetic chemistry, for which the use of precious 4d or 5d metal catalysts is well-established. In mankind's unwavering quest for sustainability, research focus has considerably veered towards the 3d metals. Given their high abundancy and availability as well as lower toxicity and noxiousness, they are undoubtedly attractive from both an economic and an environmental perspective. Herein, we wish to present noteworthy and groundbreaking examples for the use of 3d metal catalysts for diastereoselective alkyne semi-hydrogenation as we embark on a journey through the first-row transition metals.
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Affiliation(s)
- Bernhard J. Gregori
- Dept. of ChemistryUniversity of HamburgMartin Luther King Pl 620146HamburgGermany
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8
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Wu B, Yang J, Hu SB, Yu CB, Zhao ZB, Luo Y, Zhou YG. Diboron-mediated palladium-catalyzed asymmetric transfer hydrogenation using the proton of alcohols as hydrogen source. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1049-9] [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]
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9
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Vang ZP, Hintzsche SJ, Clark JR. Catalytic Transfer Deuteration and Hydrodeuteration: Emerging Techniques to Selectively Transform Alkenes and Alkynes to Deuterated Alkanes. Chemistry 2021; 27:9988-10000. [PMID: 33979460 DOI: 10.1002/chem.202100635] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Indexed: 12/28/2022]
Abstract
Increasing demand for deuterium-labeled organic molecules has spurred a renewed interest in selective methods for deuterium installation. Catalytic transfer deuteration and transfer hydrodeuteration are emerging as powerful techniques for the selective incorporation of deuterium into small molecules. These reactions not only obviate the use of D2 gas and pressurized reaction setups but provide new opportunities for selectively installing deuterium into small molecules. Commercial or readily synthesized deuterium donors are typically employed as easy-to-handle reagents for transfer deuteration and hydrodeuteration reactions. In this minireview, recent advances in the catalytic transfer deuteration and hydrodeuteration of alkenes and alkynes for the selective synthesis of deuterated alkanes will be discussed.
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Affiliation(s)
- Zoua Pa Vang
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin, 53233-1881, USA
| | - Samuel J Hintzsche
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin, 53233-1881, USA
| | - Joseph R Clark
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin, 53233-1881, USA
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10
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Dai Y, Chen J, Wang Z, Wang T, Wang L, Yang Y, Qiao X, Fan B. Asymmetric Reduction of Aromatic α-Dehydroamino Acid Esters with Water as Hydrogen Source. J Org Chem 2021; 86:7141-7147. [PMID: 33966384 DOI: 10.1021/acs.joc.1c00426] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The asymmetric reduction of aromatic α-dehydroamino acid esters with water as the hydrogen source was developed by a Rh/Cu co-catalytic system. The reaction tolerates various functional groups, providing a valuable synthetic tool to access chiral α-amino acid esters readily. Moreover, the present methodology also was applied in the cost-effective and easy to handle preparation of chiral deuterated α-amino esters by using D2O.
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Affiliation(s)
- Yuze Dai
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China
| | - Jingchao Chen
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China
| | - Zheting Wang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China
| | - Ting Wang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China
| | - Lin Wang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China
| | - Yong Yang
- Chongqing Key Laboratory of Traditional Chinese Medicine Health, Chongqing Accademy of Chinese Materia Medica, Chongqing 400065, China
| | - Xingfang Qiao
- Chongqing Key Laboratory of Traditional Chinese Medicine Health, Chongqing Accademy of Chinese Materia Medica, Chongqing 400065, China
| | - Baomin Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources (Yunnan Minzu University), State Ethnic Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650504, Yunnan, China.,Chongqing Key Laboratory of Traditional Chinese Medicine Health, Chongqing Accademy of Chinese Materia Medica, Chongqing 400065, China
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11
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Botubol-Ares JM, Cordón-Ouahhabi S, Moutaoukil Z, Collado IG, Jiménez-Tenorio M, Puerta MC, Valerga P. Methylene-Linked Bis-NHC Half-Sandwich Ruthenium Complexes: Binding of Small Molecules and Catalysis toward Ketone Transfer Hydrogenation. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00045] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- José Manuel Botubol-Ares
- Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - Safa Cordón-Ouahhabi
- Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - Zakaria Moutaoukil
- Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - Isidro G. Collado
- Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - Manuel Jiménez-Tenorio
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - M. Carmen Puerta
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
| | - Pedro Valerga
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510, Puerto Real, Cádiz, Spain
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12
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Bochlin Y, Ben-Eliyahu Y, Kadosh Y, Kozuch S, Zilbermann I, Korin E, Bettelheim A. DFT and Empirical Considerations on Electrocatalytic Water/Carbon Dioxide Reduction by CoTMPyP in Neutral Aqueous Solutions*. Chemphyschem 2020; 21:2644-2650. [PMID: 33142035 DOI: 10.1002/cphc.202000715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/03/2020] [Indexed: 11/09/2022]
Abstract
A combined experimental and density functional theory (DFT) investigation was employed in order to examine the mechanism of electrochemical CO2 reduction and H2 formation from water reduction in neutral aqueous solutions. A water soluble cobalt porphyrin, cobalt [5,10,15,20-(tetra-N-methyl-4-pyridyl)porphyrin], (CoTMPyP), was used as catalyst. The possible attachment of different axial ligands as well as their effect on the electrocatalytic cycles were examined. A cobalt porphyrin hydride is a key intermediate which is generated after the initial reduction of the catalyst. The hydride is involved in the formation of H2 and formate and acts as an indirect proton source for the formation of CO in these H+ -starving conditions. The experimental results are in agreement with the computations and give new insights into electrocatalytic mechanisms involving water soluble metalloporphyrins. We conclude that in addition to the porphyrin's structure and metal ion center, the electrolyte surroundings play a key role in dictating the products of CO2 /H2 O reduction.
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Affiliation(s)
- Yair Bochlin
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | | | - Yanir Kadosh
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | - Sebastian Kozuch
- Chemistry Department, Ben-Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Israel Zilbermann
- Chemistry Department, Nuclear Research Centre- Negev, 84190 Beer, Sheva, Israel.,Chemistry Department, Ben-Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Eli Korin
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | - Armand Bettelheim
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
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13
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Martínez AR, Morales LP, Ojeda ED, Rodríguez MC, Rodríguez-García I. The Proven Versatility of Cp 2TiCl. J Org Chem 2020; 86:1311-1329. [PMID: 33147037 DOI: 10.1021/acs.joc.0c01233] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the last two decades, titanocene monochloride has been postulated as a monoelectronic transfer reagent capable of catalyzing an important variety of chemical transformations. In this Perspective, our contributions to this growing field of research are summarized and analyzed. Especially known have been our contributions in C-C bond formation reactions, hydrogen-atom transfer from water to radicals, and isomerization reactions, as well as the development of a catalytic cycle that has subsequently allowed the preparation of a great variety of natural terpenes. It is also worth mentioning our contribution in the postulation of this single-electron transfer agent (SET) as a new green catalyst with a broad range of applications in organic and organometallic chemistry. The most significant catalytic processes developed by other research groups are also briefly described, with special emphasis on the reaction mechanisms involved. Finally, a reflection is made on the future trends in the research of this SET, aimed at consolidating this chemical as a new green reagent that will be widely used in fine chemistry, green chemistry, and industrial chemical processes.
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Affiliation(s)
- Antonio Rosales Martínez
- Department of Chemical Engineering, Escuela Politécnica Superior, University of Sevilla, 41011 Sevilla, Spain
| | - Laura Pozo Morales
- Department of Chemical Engineering, Escuela Politécnica Superior, University of Sevilla, 41011 Sevilla, Spain
| | - Emilio Díaz Ojeda
- Department of Chemical Engineering, Escuela Politécnica Superior, University of Sevilla, 41011 Sevilla, Spain
| | - María Castro Rodríguez
- Department of Chemical Engineering, Escuela Politécnica Superior, University of Sevilla, 41011 Sevilla, Spain
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14
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Wu Y, Liu C, Wang C, Lu S, Zhang B. Selective Transfer Semihydrogenation of Alkynes with H
2
O (D
2
O) as the H (D) Source over a Pd‐P Cathode. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009757] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yongmeng Wu
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Cuibo Liu
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Changhong Wang
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Siyu Lu
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450000 China
| | - Bin Zhang
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of, Education) Tianjin University Tianjin 300072 China
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15
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Wu Y, Liu C, Wang C, Lu S, Zhang B. Selective Transfer Semihydrogenation of Alkynes with H
2
O (D
2
O) as the H (D) Source over a Pd‐P Cathode. Angew Chem Int Ed Engl 2020; 59:21170-21175. [DOI: 10.1002/anie.202009757] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Indexed: 12/25/2022]
Affiliation(s)
- Yongmeng Wu
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Cuibo Liu
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Changhong Wang
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Siyu Lu
- Green Catalysis Center College of Chemistry Zhengzhou University Zhengzhou 450000 China
| | - Bin Zhang
- Institute of Molecular Plus Department of Chemistry School of Science Tianjin University Tianjin 300072 China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of, Education) Tianjin University Tianjin 300072 China
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16
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Lin X, Wang Y, Hu Y, Zhu W, Dou X. Diboron-Mediated Rhodium-Catalysed Transfer Hydrogenation of Alkenes and Carbonyls. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xiao Lin
- Department of Chemistry; School of Science; China Pharmaceutical University; Longmian Avenue 639 211198 Nanjing China
| | - Yuhan Wang
- Department of Chemistry; School of Science; China Pharmaceutical University; Longmian Avenue 639 211198 Nanjing China
| | - Yan Hu
- Department of Chemistry; School of Science; China Pharmaceutical University; Longmian Avenue 639 211198 Nanjing China
| | - Wanjiang Zhu
- Department of Chemistry; School of Science; China Pharmaceutical University; Longmian Avenue 639 211198 Nanjing China
| | - Xiaowei Dou
- Department of Chemistry; School of Science; China Pharmaceutical University; Longmian Avenue 639 211198 Nanjing China
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17
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Decker D, Drexler HJ, Heller D, Beweries T. Homogeneous catalytic transfer semihydrogenation of alkynes – an overview of hydrogen sources, catalysts and reaction mechanisms. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01276a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemoselective semihydrogenation of alkynes to alkenes with E- or Z-stereoselectivity is among the most important transformations in the synthesis of highly functional organic building blocks.
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Affiliation(s)
- David Decker
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | | | - Detlef Heller
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
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18
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Lázaro-Milla C, Quirós MT, Cárdenas DJ, Almendros P. Triflyl-assisted reductive Pd-catalyzed Tsuji–Trost type reaction. Chem Commun (Camb) 2020; 56:6070-6073. [DOI: 10.1039/d0cc02146f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium-catalyzed hydrodetriflylation reaction using water as a convenient hydrogen source has allowed the preparation of novel (triflyl)cyclobutenes from readily available precursors.
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Affiliation(s)
- Carlos Lázaro-Milla
- Grupo de Lactamas y Heterociclos Bioactivos
- Departamento de Química Orgánica
- Unidad Asociada al CSIC
- Facultad de Química
- Universidad Complutense de Madrid
| | - M. Teresa Quirós
- Departamento de Química Orgánica
- Facultad de Ciencias
- Institute for Advanced Research in Chemical Sciences
- IAdChem
- Universidad Autónoma de Madrid
| | - Diego J. Cárdenas
- Departamento de Química Orgánica
- Facultad de Ciencias
- Institute for Advanced Research in Chemical Sciences
- IAdChem
- Universidad Autónoma de Madrid
| | - Pedro Almendros
- Instituto de Química Orgánica General
- IQOG-CSIC
- Madrid 28006
- Spain
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19
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Liedtke T, Hilche T, Klare S, Gansäuer A. Condition Screening for Sustainable Catalysis in Single-Electron Steps by Cyclic Voltammetry: Additives and Solvents. CHEMSUSCHEM 2019; 12:3166-3171. [PMID: 30779429 DOI: 10.1002/cssc.201900344] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 02/18/2019] [Indexed: 06/09/2023]
Abstract
Cyclic voltammetry-based screening method for Cp2 TiX-catalyzed reactions is extended to the screening of solvents other than tetrahydrofuran for bulk electrolysis of the catalyst and radical arylation. It was found that CH3 CN can be used as a solvent for both processes without additives. Furthermore, in tetrahydrofuran, squaramide L2 is more efficient than the previously reported supramolecular halide binder, Schreiner's thiourea L1. The results extend the usefulness of the proposed time and resource-efficient screening method for designing catalysis reactions in single-electron steps.
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Affiliation(s)
- Theresa Liedtke
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Tobias Hilche
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Sven Klare
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Andreas Gansäuer
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
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20
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Ghosh T. Reductive Heck Reaction: An Emerging Alternative in Natural Product Synthesis. ChemistrySelect 2019. [DOI: 10.1002/slct.201804029] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Tapas Ghosh
- Department of Natural SciencesMaulana Abul Kalam Azad University of Technology Haringhata – 741249, Nadia, West Bengal India
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21
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Bauer H, Thum K, Alonso M, Fischer C, Harder S. Alkene Transfer Hydrogenation with Alkaline‐Earth Metal Catalysts. Angew Chem Int Ed Engl 2019; 58:4248-4253. [DOI: 10.1002/anie.201813910] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 01/21/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Heiko Bauer
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Katharina Thum
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Mercedes Alonso
- Algemene ChemieVrije Universiteit Brussel Pleinlaan 2 1050 Elsene Belgium
| | - Christian Fischer
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Sjoerd Harder
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
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22
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Bauer H, Thum K, Alonso M, Fischer C, Harder S. Alkene Transfer Hydrogenation with Alkaline‐Earth Metal Catalysts. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813910] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Heiko Bauer
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Katharina Thum
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Mercedes Alonso
- Algemene ChemieVrije Universiteit Brussel Pleinlaan 2 1050 Elsene Belgium
| | - Christian Fischer
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
| | - Sjoerd Harder
- Chair of Inorganic and Organometallic ChemistryUniversität Erlangen-Nürnberg Egerlandstrasse 1 91058 Erlangen Germany
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23
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Bao H, Zhou B, Jin H, Liu Y. Diboron-Assisted Copper-Catalyzed Z-Selective Semihydrogenation of Alkynes Using Ethanol as a Hydrogen Donor. J Org Chem 2019; 84:3579-3589. [DOI: 10.1021/acs.joc.9b00321] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Hanyang Bao
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China
| | - Bingwei Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China
| | - Hongwei Jin
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, People’s Republic of China
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24
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Zhao CQ, Chen YG, Qiu H, Wei L, Fang P, Mei TS. Water as a Hydrogenating Agent: Stereodivergent Pd-Catalyzed Semihydrogenation of Alkynes. Org Lett 2019; 21:1412-1416. [DOI: 10.1021/acs.orglett.9b00148] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chuan-Qi Zhao
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Yue-Gang Chen
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Hui Qiu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Lei Wei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ping Fang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Tian-Sheng Mei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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25
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Shen G, Chen J, Xu D, Zhang X, Zhou Y, Fan B. Asymmetric Transfer Hydrogenation of Heterobicyclic Alkenes with Water as Hydrogen Source. Org Lett 2019; 21:1364-1367. [DOI: 10.1021/acs.orglett.9b00059] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Guoli Shen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
| | - Dandan Xu
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
| | - Xia Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine, Yunnan Minzu University, Kunming 650500, China
- Key Laboratory of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming 650500, China
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26
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Hu X, Wang G, Qin C, Xie X, Zhang C, Xu W, Liu Y. Ligandless nickel-catalyzed transfer hydrogenation of alkenes and alkynes using water as the hydrogen donor. Org Chem Front 2019. [DOI: 10.1039/c9qo00616h] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first general route for nickel-catalyzed transfer hydrogenation reaction of alkenes and alkynes using water as the hydrogen source has been developed.
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Affiliation(s)
- Xiaoping Hu
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Gaonan Wang
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Chunxiang Qin
- Department of Chemistry
- Shanghai University
- Shanghai 200444
- P. R. China
| | - Xin Xie
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Chunli Zhang
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Wei Xu
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Yuanhong Liu
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
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27
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Li Q, Jiao X, Xing M, Zhang P, Zhao Q, Zhang C. Cu-Catalyzed highly selective reductive functionalization of 1,3-diene using H 2O as a stoichiometric hydrogen atom donor. Chem Commun (Camb) 2019; 55:8651-8654. [PMID: 31286131 DOI: 10.1039/c9cc04011k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A copper-catalyzed highly regio- and diastereo-selective reductive reaction of terminal 1,3-diene with water and aldehyde has been developed. This chemistry afforded a product containing a terminal alkenyl group, which is a versatile kind of precursor for organic synthesis, with the scope for various substrates. The present reaction system could realize the catalytic transfer of hydrogen to diene using water as a stoichiometric H atom donor. In this transformation, B2Pin2, a mild and practical kind of reductant was used as the mediator. The reaction pathway of this practical strategy was illustrated by a control experiment.
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Affiliation(s)
- Qifan Li
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Xiaoyang Jiao
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Mimi Xing
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Penglin Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Qian Zhao
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Chun Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China. and State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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28
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Zhang X, Chen J, Gao Y, Li K, Zhou Y, Sun W, Fan B. Photocatalyzed transfer hydrogenation and deuteriation of cyclic N-sulfonylimines. Org Chem Front 2019. [DOI: 10.1039/c9qo00231f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photocatalyzed transfer hydrogenation of cyclic N-sulfonylimines by using water as the hydrogen source is described.
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Affiliation(s)
- Xuexin Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Yang Gao
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Kangkui Li
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Weiqing Sun
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
- Key Laboratory of Chemistry in Ethnic Medicinal Resources
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29
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Li K, Khan R, Zhang X, Gao Y, Zhou Y, Tan H, Chen J, Fan B. Cobalt catalyzed stereodivergent semi-hydrogenation of alkynes using H2O as the hydrogen source. Chem Commun (Camb) 2019; 55:5663-5666. [DOI: 10.1039/c9cc01970g] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cobalt-catalyzed stereodivergent semi-hydrogenation of internal alkynes to alkenes is developed.
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Affiliation(s)
- Kangkui Li
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Ruhima Khan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Xuexin Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Yang Gao
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Heng Tan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
- Key Laboratory of Chemistry in Ethnic Medicinal Resources
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30
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Wang L, Sun W, Liu C. Cu-catalyzed deoxygenative gem-hydroborylation of aromatic aldehydes and ketones to access benzylboronic esters. CHINESE JOURNAL OF CATALYSIS 2018. [DOI: 10.1016/s1872-2067(18)63139-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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31
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Yang W, Chen C, Chan KS. Hydrodebromination of allylic and benzylic bromides with water catalyzed by a rhodium porphyrin complex. Dalton Trans 2018; 47:12879-12883. [PMID: 30168570 DOI: 10.1039/c8dt02168f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrodebromination of allylic and benzylic bromides was successfully achieved by a rhodium porphyrin complex catalyst using water as the hydrogen source without a sacrificial reductant. Mechanistic investigations suggest that bromine atom abstraction via a rhodium porphyrin metalloradical operates to give the rhodium porphyrin alkyl species and the subsequent hydrolysis of the rhodium porphyrin alkyl species to a hydrocarbon product is a key step to harness the hydrogen from water.
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Affiliation(s)
- Wu Yang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, People's Republic of China.
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32
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Nam TK, Jang DO. Radical "On Water" Addition to the C═N Bond of Hydrazones: A Synthesis of Isoindolinone Derivatives. J Org Chem 2018; 83:7373-7379. [PMID: 29498284 DOI: 10.1021/acs.joc.7b03193] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A radical "on water" addition to the C═N bond of hydrazones has been described. Hydrazone, diphenylsilane, alkyl iodide, and triethylborane afforded the corresponding addition products "on water" in good yields. A significant solvent effect was observed from the water. The developed protocol can be applied to the synthesis of 3-substituted isoindolinone derivatives. Moreover, the process offers environmentally benign tin-free radical reaction conditions.
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Affiliation(s)
- Tae Kyu Nam
- Department of Chemistry , Yonsei University , Wonju 26493 , Republic of Korea
| | - Doo Ok Jang
- Department of Chemistry , Yonsei University , Wonju 26493 , Republic of Korea
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33
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Gevorgyan A, Mkrtchyan S, Grigoryan T, Iaroshenko VO. Application of Silicon-Initiated Water Splitting for the Reduction of Organic Substrates. Chempluschem 2018; 83:375-382. [PMID: 31957356 DOI: 10.1002/cplu.201800131] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 03/31/2018] [Indexed: 12/26/2022]
Abstract
The use of water as a donor for hydrogen suitable for the reduction of several important classes of organic compounds is described. It is found that the reductive water splitting can be promoted by several metalloids among which silicon shows the best efficiency. The developed methodologies were applied for the reduction of nitro compounds, N-oxides, sulfoxides, alkenes, alkynes, hydrodehalogenation as well as for the gram-scale synthesis of several substrates of industrial importance.
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Affiliation(s)
- Ashot Gevorgyan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland.,Department of Chemistry, and Centre for Theoretical and Computational Chemistry (CTCC), University of Tromsø, 9037, Tromsø, Norway
| | - Satenik Mkrtchyan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
| | - Tatevik Grigoryan
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
| | - Viktor O Iaroshenko
- Homogeneous Catalysis and Molecular Design Research Group, at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Łodź, Poland
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34
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Duan Y, Ji G, Zhang S, Chen X, Yang Y. Additive-modulated switchable reaction pathway in the addition of alkynes with organosilanes catalyzed by supported Pd nanoparticles: hydrosilylation versus semihydrogenation. Catal Sci Technol 2018. [DOI: 10.1039/c7cy02280h] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A supported Pd nanoparticles on N,O-doped hierarchical porous carbon enabled additive-modulated reaction pathway for alkyne addition with organosilanes between hydrosilylation and semihydrogenation.
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Affiliation(s)
- Yanan Duan
- CAS Key Laboratory of Bio-Based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- China
| | - Guijie Ji
- CAS Key Laboratory of Bio-Based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- China
| | - Shaochun Zhang
- CAS Key Laboratory of Bio-Based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- China
| | - Xiufang Chen
- CAS Key Laboratory of Bio-Based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- China
| | - Yong Yang
- CAS Key Laboratory of Bio-Based Materials
- Qingdao Institute of Bioenergy and Bioprocess Technology
- Chinese Academy of Sciences
- Qingdao 266101
- China
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35
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Ji G, Duan Y, Zhang S, Fei B, Chen X, Yang Y. Selective Semihydrogenation of Alkynes Catalyzed by Pd Nanoparticles Immobilized on Heteroatom-Doped Hierarchical Porous Carbon Derived from Bamboo Shoots. CHEMSUSCHEM 2017; 10:3427-3434. [PMID: 28762664 DOI: 10.1002/cssc.201701127] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 07/18/2017] [Indexed: 06/07/2023]
Abstract
Highly dispersed palladium nanoparticles (Pd NPs) immobilized on heteroatom-doped hierarchical porous carbon supports (N,O-carbon) with large specific surface areas are synthesized by a wet chemical reduction method. The N,O-carbon derived from naturally abundant bamboo shoots is fabricated by a tandem hydrothermal-carbonization process without assistance of any templates, chemical activation reagents, or exogenous N or O sources in a simple and ecofriendly manner. The prepared Pd/N,O-carbon catalyst shows extremely high activity and excellent chemoselectivity for semihydrogenation of a broad range of alkynes to versatile and valuable alkenes under ambient conditions. The catalyst can be readily recovered for successive reuse with negligible loss in activity and selectivity, and is also applicable for practical gram-scale reactions.
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Affiliation(s)
- Guijie Ji
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P.R. China
| | - Yanan Duan
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P.R. China
| | - Shaochun Zhang
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P.R. China
| | - Benhua Fei
- International Center for Bamboo and Rattan, Beijing, 100102, P.R. China
| | - Xiufang Chen
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P.R. China
| | - Yong Yang
- CAS Key Laboratory of Bio-Based Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, P.R. China
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36
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Castellanos-Blanco N, Flores-Alamo M, García JJ. Nickel-catalyzed reduction of ketones with water and triethylsilane. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.06.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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37
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Kolmar SS, Mayer JM. SmI 2(H 2O) n Reduction of Electron Rich Enamines by Proton-Coupled Electron Transfer. J Am Chem Soc 2017; 139:10687-10692. [PMID: 28718640 PMCID: PMC5812026 DOI: 10.1021/jacs.7b03667] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Samarium diiodide in the presence of water and THF (SmI2(H2O)n) has in recent years become a versatile and useful reagent, mainly for reducing carbonyl-type substrates. This work reports the reduction of several enamines by SmI2(H2O)n. Mechanistic experiments implicate a concerted proton-coupled electron transfer (PCET) pathway, based on various pieces of evidence against initial outer-sphere electron transfer, proton transfer, or substrate coordination. A thermochemical analysis indicates that the C-H bond formed in the rate-determining step has a bond dissociation free energy (BDFE) of ∼32 kcal mol-1. The O-H BDFE of the samarium aquo ion is estimated to be 26 kcal mol-1, which is among the weakest known X-H bonds of stable reagents. Thus, SmI2(H2O)n should be able to form very weak C-H bonds. The reduction of these highly electron rich substrates by SmI2(H2O)n shows that this reagent is a very strong hydrogen atom donor as well as an outer-sphere reductant.
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Affiliation(s)
- Scott S. Kolmar
- Department of Chemistry, Yale University, New Haven, Connecticut, 06520
| | - James M. Mayer
- Department of Chemistry, Yale University, New Haven, Connecticut, 06520
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38
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Chen XW, Zhao H, Xiong B, Jiang HF, Dixneuf PH, Zhang M. Selective synthesis of nitrogen bi-heteroarenes by a hydrogen transfer-mediated direct α,β-coupling reaction. Org Biomol Chem 2017; 15:6093-6097. [PMID: 28702586 DOI: 10.1039/c7ob01434a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
By an external hydrogen transfer-mediated activation mode, we herein demonstrate a new palladium-catalyzed direct α,β-coupling of different types of N-heteroarenes. Such a selective coupling reaction proceeds with the advantages of operational simplicity, high atom-economical efficiency, and use of safe and abundant i-propanol as the activating agent, offering a practical way to access nitrogen bi-heteroarenes. Preliminary exploration has revealed that the obtained bis-1,10-phenanthroline 2qq' as a ligand is capable of improving a copper catalyst for C-C bond formation. The work reported in this paper has built an important basis for the creation of extended π-conjugated systems that are of high significance in biological, medicinal, materials and synthetic organic chemistry as well as catalysis.
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Affiliation(s)
- Xiu-Wen Chen
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.
| | - He Zhao
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Biao Xiong
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Huan-Feng Jiang
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Pierre H Dixneuf
- Centre of Catalysis and Green Chemistry-OMC, Institut Sciences Chimiques de Rennes UMR 6226-CNRS-Universite de Rennes 1, Campus de Beaulieu, 35042 Rennes, France
| | - Min Zhang
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China.
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39
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Zhou Y, Zhou H, Liu S, Pi D, Shen G. Water as a hydrogen source in palladium-catalyzed reduction and reductive amination of nitroarenes mediated by diboronic acid. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.05.056] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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Chen YG, Shuai B, Ma C, Zhang XJ, Fang P, Mei TS. Regioselective Ni-Catalyzed Carboxylation of Allylic and Propargylic Alcohols with Carbon Dioxide. Org Lett 2017; 19:2969-2972. [PMID: 28530819 DOI: 10.1021/acs.orglett.7b01208] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient Ni-catalyzed reductive carboxylation of allylic alcohols with CO2 has been successfully developed, providing linear β,γ-unsaturated carboxylic acids as the sole regioisomer with generally high E/Z stereoselectivity. In addition, the carboxylic acids can be generated from propargylic alcohols via hydrogenation to give allylic alcohol intermediates, followed by carboxylation. A preliminary mechanistic investigation suggests that the hydrogenation step is made possible by a Ni hydride intermediate produced by a hydrogen atom transfer from water.
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Affiliation(s)
- Yue-Gang Chen
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China.,University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Bin Shuai
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China.,University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Cong Ma
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China
| | - Xiu-Jie Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China
| | - Ping Fang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China
| | - Tian-Sheng Mei
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Road, Shanghai 200032, P. R. China.,University of Chinese Academy of Sciences , Beijing 100049, P. R. China
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41
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Kong W, Wang Q, Zhu J. Water as a Hydride Source in Palladium-Catalyzed Enantioselective Reductive Heck Reactions. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700195] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wangqing Kong
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
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42
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Kong W, Wang Q, Zhu J. Water as a Hydride Source in Palladium-Catalyzed Enantioselective Reductive Heck Reactions. Angew Chem Int Ed Engl 2017; 56:3987-3991. [DOI: 10.1002/anie.201700195] [Citation(s) in RCA: 139] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Indexed: 01/17/2023]
Affiliation(s)
- Wangqing Kong
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products; Institute of Chemical Sciences and Engineering; École Polytechnique Fédérale de Lausanne; EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
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43
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Liu S, Zhou Y, Sui Y, Liu H, Zhou H. B2(OH)4-mediated one-pot synthesis of tetrahydroquinoxalines from 2-amino(nitro)anilines and 1,2-dicarbonyl compounds in water. Org Chem Front 2017. [DOI: 10.1039/c7qo00604g] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A practical one-pot synthesis of tetrahydroquinoxalines from readily available 2-amino(nitro)anilines and 1,2-dicarbonyl compounds mediated by diboronic acid with water as both a solvent and a hydrogen donor under metal-free conditions has been discovered.
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Affiliation(s)
- Sensheng Liu
- Hubei Key Laboratory of Natural Products Research and Development
- College of Biological and Pharmaceutical Sciences
- China Three Gorges University
- Yichang 443002
- China
| | - Yanmei Zhou
- Hubei Key Laboratory of Natural Products Research and Development
- College of Biological and Pharmaceutical Sciences
- China Three Gorges University
- Yichang 443002
- China
| | - Yuebo Sui
- Hubei Key Laboratory of Natural Products Research and Development
- College of Biological and Pharmaceutical Sciences
- China Three Gorges University
- Yichang 443002
- China
| | - Huan Liu
- Hubei Key Laboratory of Natural Products Research and Development
- College of Biological and Pharmaceutical Sciences
- China Three Gorges University
- Yichang 443002
- China
| | - Haifeng Zhou
- Hubei Key Laboratory of Natural Products Research and Development
- College of Biological and Pharmaceutical Sciences
- China Three Gorges University
- Yichang 443002
- China
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44
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Mohan N, Ramesh R. Transfer hydrogenation of ketones catalysed by half-sandwich (η6
-p
-cymene) ruthenium(II) complexes incorporating benzoylhydrazone ligands. Appl Organomet Chem 2016. [DOI: 10.1002/aoc.3648] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nanjan Mohan
- Centre for Organometallic Chemistry, School of Chemistry; Bharathidasan University; Tiruchirappalli Tamil Nadu India
| | - Rengan Ramesh
- Centre for Organometallic Chemistry, School of Chemistry; Bharathidasan University; Tiruchirappalli Tamil Nadu India
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45
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Xia YT, Sun XT, Zhang L, Luo K, Wu L. Metal-Free Hydrogen Atom Transfer from Water: Expeditious Hydrogenation of N-Heterocycles Mediated by Diboronic Acid. Chemistry 2016; 22:17151-17155. [DOI: 10.1002/chem.201604503] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Yun-Tao Xia
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P. R. China
| | - Xiao-Tao Sun
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P. R. China
| | - Ling Zhang
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P. R. China
| | - Kai Luo
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P. R. China
| | - Lei Wu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P. R. China
- Beijing National Laboratory for Molecular Sciences and Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
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46
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Rosales A, Rodríguez-García I. Cp2TiCl/D2O/Mn, a formidable reagent for the deuteration of organic compounds. Beilstein J Org Chem 2016; 12:1585-9. [PMID: 27559410 PMCID: PMC4979672 DOI: 10.3762/bjoc.12.154] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 07/13/2016] [Indexed: 11/25/2022] Open
Abstract
Cp2TiCl/D2O/Mn is an efficient combination, sustainable and cheap reagent that mediates the D-atom transfer from D2O to different functional groups and can contribute to the synthesis of new deuterated organic compounds under friendly experimental conditions and with great economic advantages.
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Affiliation(s)
- Antonio Rosales
- Department of Chemical and Environmental Engineering, Escuela Politécnica Superior, University of Sevilla, 41011 Sevilla, Spain; Petrochemical Engineering, Universidad de las Fuerzas Armadas-ESPE, 050150 Latacunga, Ecuador
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47
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Xuan Q, Song Q. Diboron-Assisted Palladium-Catalyzed Transfer Hydrogenation of N-Heteroaromatics with Water as Hydrogen Donor and Solvent. Org Lett 2016; 18:4250-3. [DOI: 10.1021/acs.orglett.6b01999] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qingqing Xuan
- Institute
of Next Generation Matter Transformation, College of Chemical Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
| | - Qiuling Song
- Institute
of Next Generation Matter Transformation, College of Chemical Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian 361021, P. R. China
- National
Laboratory for Molecular Sciences, Institute of Chemistry, CAS, Beijing 100190, P. R. China
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48
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Zhao X, Perrin L, Procter DJ, Maron L. The role of H2O in the electron transfer-activation of substrates using SmI2: insights from DFT. Dalton Trans 2016; 45:3706-10. [PMID: 26865402 DOI: 10.1039/c6dt00241b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The first detailed theoretical study on the synthetically important electron transfer (ET) reductant SmI2-H2O has been conducted in the context of the activation of important alkyliodide, ketone, lactone and ester substrates, processes of importance in cross-coupling. Our studies give major insights into the nature of the reagent and suggest that; (i) H2O has a high affinity for Sm(ii) and displaces iodine from the metal center; (ii) SmI2-H2O has 6-7 molecules of H2O directly bound to the metal center; (iii) binding of H2O to Sm(II) promotes coordination of the substrate to Sm(II) and subsequent ET; (iv) resultant ketyl radicals are stabilized by hydrogen-bonding to H2O. The findings add greatly to the understanding of SmI2-H2O and the role of H2O in ET processes, and will facilitate the design of new processes initiated by reductive ET.
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Affiliation(s)
- Xuefei Zhao
- Laboratoire de Physique et Chimie des Nano-Objets, INSA, Université Paul Sabatier, 135 Avenue de Rangueil, 31077 Toulouse Cedex 4, France.
| | - Lionel Perrin
- Université Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, 43 Boulevard du 11 Novembre 1918, F-69622, Villeurbanne, France
| | - David J Procter
- School of Chemistry, University of Manchester, Manchester, M13 9PL, UK
| | - Laurent Maron
- Laboratoire de Physique et Chimie des Nano-Objets, INSA, Université Paul Sabatier, 135 Avenue de Rangueil, 31077 Toulouse Cedex 4, France.
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49
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Cummings SP, Le TN, Fernandez GE, Quiambao LG, Stokes BJ. Tetrahydroxydiboron-Mediated Palladium-Catalyzed Transfer Hydrogenation and Deuteriation of Alkenes and Alkynes Using Water as the Stoichiometric H or D Atom Donor. J Am Chem Soc 2016; 138:6107-10. [DOI: 10.1021/jacs.6b02132] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Steven P. Cummings
- School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, United States
| | - Thanh-Ngoc Le
- School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, United States
| | - Gilberto E. Fernandez
- School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, United States
| | - Lorenzo G. Quiambao
- School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, United States
| | - Benjamin J. Stokes
- School of Natural Sciences, University of California, Merced, 5200 North Lake Road, Merced, California 95343, United States
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50
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Nguyen LQ, Knowles RR. Catalytic C–N Bond-Forming Reactions Enabled by Proton-Coupled Electron Transfer Activation of Amide N–H Bonds. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00486] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Lucas Q. Nguyen
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Robert R. Knowles
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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