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Ruiz‐Zambrana C, Dubey RK, Poyatos M, Mateo‐Alonso A, Peris E. Redox-Switchable Complexes Based on Nanographene-NHCs. Chemistry 2022; 28:e202201384. [PMID: 35638131 PMCID: PMC9400984 DOI: 10.1002/chem.202201384] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Indexed: 12/22/2022]
Abstract
A series of rhodium and iridium complexes with a N-heterocyclic carbene (NHC) ligand decorated with a perylene-diimide-pyrene moiety are described. Electrochemical studies reveal that the complexes can undergo two successive one-electron reduction events, associated to the reduction of the PDI moiety attached to the NHC ligand. The reduction of the ligand produces a significant increase on its electron-donating character, as observed from the infrared spectroelectrochemical studies. The rhodium complex was tested in the [3+2] cycloaddition of diphenylcyclopropenone and methylphenylacetylene, where it displayed a redox-switchable behavior. The neutral complex showed moderate activity, which was suppressed when the catalyst was reduced.
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Affiliation(s)
- César Ruiz‐Zambrana
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA).Universitat Jaume I.Av. Vicente Sos Baynat s/n.Castellón.12071Spain
| | - Rajeev K. Dubey
- POLYMATUniversity of the Basque Country UPV/EHUAvenida de Tolosa 7220018Donostia-San SebastianSpain
| | - Macarena Poyatos
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA).Universitat Jaume I.Av. Vicente Sos Baynat s/n.Castellón.12071Spain
| | - Aurelio Mateo‐Alonso
- POLYMATUniversity of the Basque Country UPV/EHUAvenida de Tolosa 7220018Donostia-San SebastianSpain
- Ikerbasque, Basque Foundation for Science48009BilbaoSpain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA).Universitat Jaume I.Av. Vicente Sos Baynat s/n.Castellón.12071Spain
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2
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Mourão H, Gomes CSB, Realista S, Royo B. Visible Light‐Induced Catalytic Hydrosilylation of Ketones Mediated by Manganese NHC Complexes. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6846] [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)
- Henrique Mourão
- ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República Oeiras Portugal
| | - Clara S. B. Gomes
- LAQV‐REQUIMTE and UCIBIO‐Applied Molecular Biosciences Unit, Department of Chemistry, Campus de Caparica NOVA School of Science and Technology, NOVA University of Lisbon Caparica Portugal
- Associated Laboratory i4HB‐Institute for Health and Bioeconomy School of Science and Technology, NOVA University of Lisbon Caparica Portugal
| | - Sara Realista
- ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República Oeiras Portugal
- Centro de Química Estrutural Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Ed. C8 Lisboa Portugal
| | - Beatriz Royo
- ITQB NOVA, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República Oeiras Portugal
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4
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Synthesis of Functional Carbocycles and Heterocycles via Transition-Metal-Catalyzed Annulation or Homocoupling of Difluorocyclopropenes. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Angoy M, Jiménez MV, Lahoz FJ, Vispe E, Pérez-Torrente JJ. Polymerization of phenylacetylene catalyzed by rhodium(I) complexes with N-functionalized N-heterocyclic carbene ligands. Polym Chem 2022. [DOI: 10.1039/d1py01650d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of neutral [RhX(nbd)(κC-MeIm∩Z)] and cationic [Rh(nbd)(κ2C,N-MeIm∩Z)]+ (X = Cl, Br; MeIm = 3-methylimidazol-2-yliden-1-yl; ∩Z = N-functionalized wingtip; nbd = 2,5-norbornadiene) complexes featuring NHC ligands functionalized with a 1-aminopropyl,...
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6
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Miao WH, Gao WX, Huang XB, Liu MC, Zhou YB, Wu HY. Cascade Ring-Opening Dual Halogenation of Cyclopropenones with Saturated Oxygen Heterocycles. Org Lett 2021; 23:9425-9430. [PMID: 34854694 DOI: 10.1021/acs.orglett.1c03566] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Represented is a CuX2- or I2-promoted ring-opening dual halogenation of cyclopropenones with saturated oxygen heterocycles, providing an efficient method for the synthesis of 3-haloacrylates. The ring-opening reaction enables the construction of two C-X (X = Cl, Br, or I) bonds and a C-O bond as well as the cleavage of two C-O bonds and a C-C bond in a single step. This protocol is highly atom economical, has an excellent substrate scope, and exhibits the ability for gram-scale reaction.
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Affiliation(s)
- Wei-Hang Miao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Wen-Xia Gao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Xiao-Bo Huang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Miao-Chang Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Yun-Bing Zhou
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Hua-Yue Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
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7
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Karataş MO, Alıcı B, Passarelli V, Özdemir I, Pérez-Torrente JJ, Castarlenas R. Iridium(i) complexes bearing hemilabile coumarin-functionalised N-heterocyclic carbene ligands with application as alkyne hydrosilylation catalysts. Dalton Trans 2021; 50:11206-11215. [PMID: 34338264 DOI: 10.1039/d1dt01946e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A set of iridium(i) complexes of formula IrCl(κC,η2-IRCouR')(cod) or IrCl(κC, η2-BzIRCouR')(cod) (cod = 1,5-cyclooctadiene; Cou = coumarin; I = imidazolin-2-carbene; BzI = benzimidazolin-2-carbene) have beeen prepared from the corresponding azolium salt and [Ir(μ-OMe)(cod)]2 in THF at room temperature. The crystalline structures of 4b and 5b show a distorted trigonal bipyramidal configuration in the solid state with a coordinated coumarin moiety. In contrast, an equilibrium between this pentacoordinated structure and the related square planar isomer is observed in solution as a consequence of the hemilability of the pyrone ring. Characterization of both species by NMR was achieved at the low and high temperature limits, respectively. In addition, the thermodynamic parameters of the equilibrium, ΔHR and ΔSR, were obtained by VT 1H NMR spectroscopy and fall in the range 22-33 kJ mol-1 and 72-113 J mol-1 K-1, respectively. Carbonylation of IrCl(κC,η2-BzITolCou7,8-Me2)(cod) resulted in the formation of a bis-CO derivative showing no hemilabile behaviour. The newly synthesised complexes efficiently catalyze the hydrosilylation of alkynes at room temperature with a preference for the β-(Z) vinylsilane isomer.
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Affiliation(s)
- Mert Olgun Karataş
- Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP. 50009, Zaragoza, Spain.
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8
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Mondal R, Ortiz RJ, Braun JD, Herbert DE. Synthesis, characterization, and coordination chemistry of a phenanthridine-containing N-heterocyclic carbene ligand. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An N-heterocyclic carbene ligand precursor bearing a π-extended phenanthridine (3,4-benzoquinoline) unit is presented. The proligand was isolated as the imidazolium salt of chloride (1•HCl), bromide (1•HBr), or hexafluorophosphate (1•HPF6) counterions. These salts can be deprotonated and the carbene installed on silver centres using Ag2O as both a base and a source of metal ion. The resulting Ag(I) complex (1)AgCl can be used in a transmetalation reaction to generate a Pd(II) coordination complex (1)Pd(CH3CN)Cl2. The characterization and photophysical properties of these complexes is presented, along with a demonstration of the utility of (1)Pd(CH3CN)Cl2 in mediating a catalytic C-N cross-coupling reaction for the preparation of the pharmaceutical Piribedil.
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Affiliation(s)
- Rajarshi Mondal
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Robert J. Ortiz
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Jason D. Braun
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - David E. Herbert
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
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9
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Kandathil V, Siddiqa A, Patra A, Kulkarni B, Kempasiddaiah M, Sasidhar B, Patil SA, Rout CS, Patil SA. NHC‐Pd complex heterogenized on graphene oxide for cross‐coupling reactions and supercapacitor applications. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5924] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Vishal Kandathil
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - Aisha Siddiqa
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - Abhinandan Patra
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - Bhakti Kulkarni
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - Manjunatha Kempasiddaiah
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - B.S. Sasidhar
- Organic Chemistry Section, Chemical Sciences & Technology Division National Institute for Interdisciplinary Science and Technology Thiruvananthapuram Kerala ‐695019 India
| | - Shivaputra A. Patil
- Pharmaceutical Sciences Department College of Pharmacy, Rosalind Franklin University of Medicine and Science 3333 Green Bay Road, North Chicago IL 60064 USA
| | - Chandra Sekhar Rout
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
| | - Siddappa A. Patil
- Centre for Nano and Material Sciences Jain University, Jain Global Campus, Kanakapura, Ramanagaram Bangalore 562112 India
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10
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Xu JL, Tian H, Kang JH, Kang WX, Sun W, Sun R, Li YM, Sun M. Ag(I)-Catalyzed Addition of Cyclopropenones and Nitrones to Access Imides. Org Lett 2020; 22:6739-6743. [PMID: 32663031 DOI: 10.1021/acs.orglett.0c02099] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
An unprecedented Ag-catalyzed addition reaction of cyclopropenones and nitrones to access imides was developed. Sequential C-C bond cleavage, N-O bond cleavage, and Mumm rearrangement were uncovered in this process. This protocol exhibited high efficiency, regioselectivity, good yields, and a broad tolerance of various functional groups.
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Affiliation(s)
- Jing-Lei Xu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Hu Tian
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Jia-Hao Kang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Wu-Xiang Kang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Wei Sun
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Rui Sun
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, 727 Jingming Nanlu, Kunming 650500, China
| | - Meng Sun
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an 710127, China.,State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
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11
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Yang YF, Huang XB, Gao WX, Zhou YB, Liu MC, Wu HY. Ag 2O-promoted ring-opening reactions of cyclopropenones with oximes. Org Biomol Chem 2020; 18:5822-5825. [PMID: 32691814 DOI: 10.1039/d0ob00601g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Ag2O-promoted ring-opening reactions of cyclopropenones with oximes is disclosed in this work, providing a direct route to 1,3-oxazinones. This method highlights a new reactivity of cyclopropenones which undergo 1,4-addition with oximes followed by β-carbon elimination to in situ generate a α-carbonyl ketene intermediate.
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Affiliation(s)
- Ye-Fei Yang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
| | - Xiao-Bo Huang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
| | - Wen-Xia Gao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
| | - Yun-Bing Zhou
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
| | - Miao-Chang Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
| | - Hua-Yue Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China.
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12
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Bai D, Yu Y, Guo H, Chang J, Li X. Nickel(0)‐Catalyzed Enantioselective [3+2] Annulation of Cyclopropenones and α,β‐Unsaturated Ketones/Imines. Angew Chem Int Ed Engl 2020; 59:2740-2744. [DOI: 10.1002/anie.201913130] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/29/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Dachang Bai
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Yanjiang Yu
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Haiming Guo
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Junbiao Chang
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Xingwei Li
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
- School of Chemistry and Chemical EngineeringShaanxi Normal University (SNNU) Xi'an 710062 China
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13
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Bai D, Yu Y, Guo H, Chang J, Li X. Nickel(0)‐Catalyzed Enantioselective [3+2] Annulation of Cyclopropenones and α,β‐Unsaturated Ketones/Imines. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dachang Bai
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Yanjiang Yu
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Haiming Guo
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Junbiao Chang
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
| | - Xingwei Li
- Henan Key Laboratory of Organic Functional Molecule and Drug InnovationCollaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of EducationSchool of Chemistry and Chemical EngineeringHenan Normal University Xinxiang 453007 China
- School of Chemistry and Chemical EngineeringShaanxi Normal University (SNNU) Xi'an 710062 China
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14
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Remote coordination approach for electronic tuning of a rhodium(I)-N-heterocyclic carbene (NHC)-complex. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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15
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Gutiérrez-Blanco A, Peris E, Poyatos M. Pyrene-Connected Tetraimidazolylidene Complexes of Iridium and Rhodium. Structural Features and Catalytic Applications. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00633] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ana Gutiérrez-Blanco
- Institute of Advanced Materials (INAM), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12071, Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12071, Spain
| | - Macarena Poyatos
- Institute of Advanced Materials (INAM), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12071, Spain
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16
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17
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Ren JT, Wang JX, Tian H, Xu JL, Hu H, Aslam M, Sun M. Ag(I)-Catalyzed [3 + 2]-Annulation of Cyclopropenones and Formamides via C-C Bond Cleavage. Org Lett 2018; 20:6636-6639. [PMID: 30350668 DOI: 10.1021/acs.orglett.8b02612] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
An unprecedented Ag-catalyzed [3 + 2]-annulation of cyclopropenones and DMF via C-C bond cleavage is disclosed. This protocol exhibited excellent chemo- and regio-selectivity, and tolerated various functional groups. More importantly, DMF served as the C═O bond in the cycloaddition reaction, providing an efficient way to construct γ-aminobutenolides. In addition, transesterification reaction occurred when DMF was replaced by esters.
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Affiliation(s)
- Jiang-Tao Ren
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Jia-Xin Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Hu Tian
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Jing-Lei Xu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Hong Hu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Muhammad Aslam
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
| | - Meng Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science , Northwest University , Xi'an 710127 , P. R. China
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18
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Bayón Castañón E, Kaposi M, Reich RM, Kühn FE. Water-soluble transition metal complexes of ruthenium(ii), osmium(ii), rhodium(iii) and iridium(iii) with chelating N-heterocyclic carbene ligands in hydrogenation and transfer hydrogenation catalysis. Dalton Trans 2018; 47:2318-2329. [DOI: 10.1039/c7dt04684g] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The synthesis of novel Ru(ii), Os(ii), Rh(iii) and Ir(iii) mono-N-heterocyclic carbene (NHC) complexes and their application in hydrogenation catalysis is reported.
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Affiliation(s)
- Esther Bayón Castañón
- Catalysis Research Center and Department of Chemistry
- Technische Universität München
- Professorship of Molecular Catalysis
- 85747 Garching bei München
- Germany
| | - Marlene Kaposi
- Catalysis Research Center and Department of Chemistry
- Technische Universität München
- Professorship of Molecular Catalysis
- 85747 Garching bei München
- Germany
| | - Robert M. Reich
- Catalysis Research Center and Department of Chemistry
- Technische Universität München
- Professorship of Molecular Catalysis
- 85747 Garching bei München
- Germany
| | - Fritz E. Kühn
- Catalysis Research Center and Department of Chemistry
- Technische Universität München
- Professorship of Molecular Catalysis
- 85747 Garching bei München
- Germany
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20
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Abstract
It is well-recognized that N-heterocyclic carbene (NHC) ligands have provided a new dimension to the design of homogeneous catalysts. Part of the success of this type of ligands resides in the limitless access to a variety of topologies with tuned electronic properties, but also in the ability of a family of NHCs that are able to adapt their properties to the specific requirements of individual catalytic transformations. The term "smart" is used here to refer to switchable, multifunctional, adaptable, or tunable ligands and, in general, to all those ligands that are able to modify their steric or electronic properties to fulfill the requirements of a defined catalytic reaction. The purpose of this review is to comprehensively describe all types of smart NHC ligands by focusing attention on the catalytically relevant ligand-based reactivity.
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Affiliation(s)
- Eduardo Peris
- Institute of Advanced Materials , Universitat Jaume I , Avenida Vicente Sos Baynat s/n , Castellón E-12071 , Spain
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21
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Ruddlesden AJ, Duckett SB. Solvent responsive catalyst improves NMR sensitivity via efficient magnetisation transfer. Chem Commun (Camb) 2016; 52:8467-70. [PMID: 27311751 PMCID: PMC5358499 DOI: 10.1039/c6cc03185d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 06/02/2016] [Indexed: 11/21/2022]
Abstract
A bidentate iridium carbene complex, Ir(κC,O-L1)(COD), has been synthesised which contains a strongly electron donating carbene ligand that is functionalised by a cis-spanning phenolate group. This complex acts as a precursor to effective magnetisation transfer catalysts which form after reaction with H2 and a suitable two electron donor. In solvents such as benzene, containing pyridine, they are exemplified by neutral, chiral Ir(H)2(κC,O-L1)(py)2 with inequivalent hydride ligands and Ir-O bond retention, whilst in methanol, Ir-O bond cleavage leads to zwitterionic [Ir(H)2(κC,O(-)-L1)(py)3](+), with chemically equivalent hydride ligands. The active catalyst's form is therefore solvent dependent. Both these complexes break the magnetic symmetry of the hydride ligands and are active in the catalytic transfer of polarisation from parahydrogen to a loosely bound ligand. Test results on pyridine, nicotinaldehyde and nicotine reveal up to ≈1.2% single spin proton polarisation levels in their (1)H NMR signals which compare to the normal 0.003% level at 9.4 Tesla. These results exemplify how rational catalyst design yields a solvent dependent catalyst with good SABRE activity.
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Affiliation(s)
- Amy J Ruddlesden
- Centre for Hyperpolarisation in Magnetic Resonance (CHyM), York Science Park, University of York, Heslington, York, YO10 5NY, UK.
| | - Simon B Duckett
- Centre for Hyperpolarisation in Magnetic Resonance (CHyM), York Science Park, University of York, Heslington, York, YO10 5NY, UK.
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22
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Mondal R, Giesbrecht PK, Herbert DE. Nickel(II), copper(I) and zinc(II) complexes supported by a (4-diphenylphosphino)phenanthridine ligand. Polyhedron 2016. [DOI: 10.1016/j.poly.2015.10.051] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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23
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Holmes J, Pask CM, Willans CE. Chelating N-heterocyclic carbene–carboranes offer flexible ligand coordination to IrIII, RhIII and RuII: effect of ligand cyclometallation in catalytic transfer hydrogenation. Dalton Trans 2016; 45:15818-15827. [DOI: 10.1039/c6dt02079h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NHC–carborane ligands, with flexible coordination through either the carbon or the boron atom of the carborane, provide effective transfer hydrogenation catalysts.
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24
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Naya L, Vázquez-García D, Fernández A, López-Torres M, Ojea V, Marcos I, Vila JM, Fernández JJ. Preparation of Imidazol-2-ylidene Carbene Palladacycles with Bi- and Tridentate Schiff Bases - Analyses of the Spectroscopic, Molecular Structure, and DFT Calculation Data. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201501067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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25
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Rao B, Tang H, Zeng X, Liu LL, Melaimi M, Bertrand G. Cyclic (Amino)(aryl)carbenes (CAArCs) as Strong σ‐Donating and π‐Accepting Ligands for Transition Metals. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507844] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Bin Rao
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China)
| | - Huarong Tang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China)
| | - Xiaoming Zeng
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China)
- State Key Laboratory of Elemento‐organic Chemistry, Nankai University, Tianjin 300071 (P.R. China)
| | - Liu Leo Liu
- UCSD‐CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093‐0358 (USA)
| | - Mohand Melaimi
- UCSD‐CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093‐0358 (USA)
| | - Guy Bertrand
- UCSD‐CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093‐0358 (USA)
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26
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Rao B, Tang H, Zeng X, Liu LL, Melaimi M, Bertrand G. Cyclic (Amino)(aryl)carbenes (CAArCs) as Strong σ-Donating and π-Accepting Ligands for Transition Metals. Angew Chem Int Ed Engl 2015; 54:14915-9. [PMID: 26457345 DOI: 10.1002/anie.201507844] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Indexed: 11/05/2022]
Abstract
Cyclic (amino)(aryl)carbenes (CAArCs) result from the replacement of the alkyl substituent of cyclic (alkyl)(amino) carbenes (CAACs) by an aryl group. This structural modification leads to enhanced electrophilicity of the carbene center with retention of the high nucleophilicity of CAACs, and therefore CAArCs feature a small singlet-triplet gap. The isoindolium precursors are readily prepared in good yields, and deprotonation at low temperature, in the presence of [RhCl(cod)]2 and [(Me2S)AuCl] lead to air-stable rhodium and gold CAArC-supported complexes, respectively. The rhodium complexes promote the [3+2] cycloaddition of diphenylcyclopropenone with ethyl phenylpropiolate, and induce the addition of 2-vinylpyridine to alkenes by CH activation. The gold complexes allow for the catalytic three-component preparation of 1,2-dihydroquinolines from aniline and phenyl acetylene. These preliminary results illustrate the potential of CAArC ligands in transition-metal catalysis.
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Affiliation(s)
- Bin Rao
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China)
| | - Huarong Tang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China)
| | - Xiaoming Zeng
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054 (P.R. China). .,State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071 (P.R. China).
| | - Liu Leo Liu
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093-0358 (USA)
| | - Mohand Melaimi
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093-0358 (USA)
| | - Guy Bertrand
- UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093-0358 (USA).
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27
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Ruddlesden AJ, Mewis RE, Green GGR, Whitwood AC, Duckett SB. Catalytic Transfer of Magnetism using a Neutral Iridium Phenoxide Complex. Organometallics 2015; 34:2997-3006. [PMID: 28239225 PMCID: PMC5321507 DOI: 10.1021/acs.organomet.5b00311] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A novel neutral iridium carbene complex Ir(κC,O-L1)(COD) (1) [where COD = cyclooctadiene and L1 = 3-(2-methylene-4-nitrophenolate)-1-(2,4,6-trimethylphenyl) imidazolylidene] with a pendant alkoxide ligand has been prepared and characterized. It contains a strong Ir-O bond and X-ray analysis reveals a distorted square planar structure. NMR spectroscopy reveals dynamic solution state behavior commensurate with rapid seven-membered ring flipping. In CD2Cl2 solution, under hydrogen at low temperature, this complex dominates although it exists in equilibrium with a reactive iridium dihydride cyclooctadiene complex. 1 reacts with pyridine and H2 to form neutral Ir(H)2(κC,O-L1)(py)2 which also exists in two conformers that differ according to the orientation of the seven-membered metallocycle and whilst its Ir-O bond remains intact, the complex undergoes both pyridine and H2 exchange. As a consequence, when placed under parahydrogen, efficient polarization transfer catalysis (PTC) is observed via the Signal Amplification By Reversible Exchange (SABRE) approach. Due to the neutral character of this catalyst, good hyperpolarization activity is shown in a wide range of solvents for a number of substrates. These observations reflect a dramatic improvement in solvent tolerance of SABRE over that reported for the best PTC precursor IrCl(IMes)(COD). For THF, the associated 1H NMR signal enhancement for the ortho proton signal of pyridine shows an increase of 600-fold at 298 K. The level of signal enhancement can be increased further through warming or varying the magnetic field experienced by the sample at the point of catalytic magnetization transfer.
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Affiliation(s)
- Amy J. Ruddlesden
- Department of Chemistry, University of York, Heslington, YO10 5DD; Tel: 01904 322564
| | - Ryan E. Mewis
- Department of Chemistry, University of York, Heslington, YO10 5DD; Tel: 01904 322564
| | - Gary G. R. Green
- York Neuroimaging Centre, The BiocentreYork, Science Park, Heslington, York, YO10 5NY
| | - Adrian C. Whitwood
- Department of Chemistry, University of York, Heslington, YO10 5DD; Tel: 01904 322564
| | - Simon B. Duckett
- Department of Chemistry, University of York, Heslington, YO10 5DD; Tel: 01904 322564
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28
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Jiménez MV, Fernández-Tornos J, Pérez-Torrente JJ, Modrego FJ, Garcı́a-Orduña P, Oro LA. Mechanistic Insights into Transfer Hydrogenation Catalysis by [Ir(cod)(NHC)2]+ Complexes with Functionalized N-Heterocyclic Carbene Ligands. Organometallics 2015. [DOI: 10.1021/om5013083] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- M. Victoria Jiménez
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
| | - Javier Fernández-Tornos
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
| | - Jesús J. Pérez-Torrente
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
| | - Francisco J. Modrego
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
| | - Pilar Garcı́a-Orduña
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
| | - Luis A. Oro
- Departamento de Quı́mica
Inorgánica, Instituto de Sı́ntesis Quı́mica
y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, 50009-Zaragoza, Spain
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29
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Riener K, Bitzer MJ, Pöthig A, Raba A, Cokoja M, Herrmann WA, Kühn FE. On the Concept of Hemilability: Insights into a Donor-Functionalized Iridium(I) NHC Motif and Its Impact on Reactivity. Inorg Chem 2014; 53:12767-77. [DOI: 10.1021/ic5016324] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Korbinian Riener
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Mario J. Bitzer
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Alexander Pöthig
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Andreas Raba
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Mirza Cokoja
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Wolfgang A. Herrmann
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
| | - Fritz E. Kühn
- Chair of Inorganic Chemistry/Molecular Catalysis, Catalysis Research
Center, Technische Universität München, Ernst-Otto-Fischer-Straße 1, 85747 Garching bei München, Germany
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30
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Gupta SK, Ghorai D, Choudhury J. A New Type of Palladium-Pincer Complexes Generated via Hydrolytic Ring-Opening of Imidazole-2-ylidenes. Organometallics 2014. [DOI: 10.1021/om500362x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Suraj K. Gupta
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Indore By-pass Road, Bhopal 462 066, India
| | - Debasish Ghorai
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Indore By-pass Road, Bhopal 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Indore By-pass Road, Bhopal 462 066, India
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31
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Naziruddin AR, Zhuang CS, Lin WJ, Hwang WS. Donor functionalized ruthenium N-heterocyclic carbene complexes in alcohol oxidation reactions. Dalton Trans 2014; 43:5335-42. [DOI: 10.1039/c3dt53125b] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Ruthenium chelates bearing N^C^O-donors in bidentate or pincer coordination modes have been prepared. The ruthenium pincer complex catalyses the oxidation of alcohols to the corresponding aldehydes with yields as high as 99%.
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Affiliation(s)
| | - Chun-Shiuan Zhuang
- Department of Chemistry
- National Dong Hwa University
- Taiwan, Republic of China
| | - Wan-Jung Lin
- Department of Chemistry
- National Dong Hwa University
- Taiwan, Republic of China
| | - Wen-Shu Hwang
- Department of Chemistry
- National Dong Hwa University
- Taiwan, Republic of China
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32
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Turek J, Panov I, Horáček M, Černošek Z, Padělková Z, Růžička A. Amino Group Functionalized N-Heterocyclic 1,2,4-Triazole-Derived Carbenes: Structural Diversity of Rhodium(I) Complexes. Organometallics 2013. [DOI: 10.1021/om400912s] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jan Turek
- Department of General
and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
| | - Illia Panov
- Institute of Organic Chemistry and Technology,
Faculty of Chemical Technology, University of Pardubice, Studentská
573, CZ-532 10 Pardubice, Czech Republic
| | - Michal Horáček
- J. Heyrovský
Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Dolejškova 3, 182 23 Prague, Czech Republic
| | - Zdeněk Černošek
- Department of General
and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
| | - Zdeňka Padělková
- Department of General
and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
| | - Aleš Růžička
- Department of General
and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
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33
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Specht ZG, Grotjahn DB, Moore CE, Rheingold AL. Effects of Hindrance in N-Pyridyl Imidazolylidenes Coordinated to Iridium on Structure and Catalysis. Organometallics 2013. [DOI: 10.1021/om400758b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zephen G. Specht
- Department
of Chemistry and Biochemistry, San Diego State University, 5500
Campanile Drive, San Diego, California 92182-1030, United States
| | - Douglas B. Grotjahn
- Department
of Chemistry and Biochemistry, San Diego State University, 5500
Campanile Drive, San Diego, California 92182-1030, United States
| | - Curtis E. Moore
- Department
of Chemistry and Biochemistry, University of California at San Diego, La
Jolla, California 92093-0358, United States
| | - Arnold L. Rheingold
- Department
of Chemistry and Biochemistry, University of California at San Diego, La
Jolla, California 92093-0358, United States
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34
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Choi G, Tsurugi H, Mashima K. Hemilabile N-xylyl-N'-methylperimidine carbene iridium complexes as catalysts for C-H activation and dehydrogenative silylation: dual role of N-xylyl moiety for ortho-C-H bond activation and reductive bond cleavage. J Am Chem Soc 2013; 135:13149-61. [PMID: 23914836 DOI: 10.1021/ja406519u] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Direct dehydrogenative silylation of pyridyl and iminyl substrates with triethylsilane was achieved using (L)Ir(cod)(X) (1) (L = a perimidine-based carbene ligand, X = OAc and OCOPh) complexes as catalysts under toluene refluxing conditions in the presence of norbornene as a hydrogen scavenger, and the silylated products were obtained in good yields. The isolated bis(cyclometalated)iridium complexes, (C(∧)C:)(C(∧)N)IrOAc (2) (C(∧)C: = a cyclometalated perimidine-carbene ligand and C(∧)N = a cyclometalated pyridyl- and iminyl-ligated aromatic substrate), were key intermediates, where cyclometalated five-membered metallacycles of substrates such as phenylpyridine were selectively formed before yielding mono-ortho-silylation products. The bis(cyclometalated)iridium complex ((Xy)C(∧)C:)(C(∧)N)IrOAc (2d) ((Xy)C(∧)C: = a cyclometalated N-xylyl-N'-methylperimidine-carbene ligand and C(∧)N = a 2-pyridylphenyl ligand), reacted with 2 equiv of Et3SiH to give an iridium hydride complex, (L(4))(C(∧)N)Ir(H)(SiEt3) (8d) (L(4) = N-CH3, N-3,5-(CH3)2C6H3 perimidine), via demetalation of a N-3,5-xylyl ring of the carbene ligand of 2d. The formation of 8d was confirmed by isolating the corresponding chloro complex (L(4))(C(∧)N)Ir(Cl)(SiEt3) (8d-Cl) by treatment with CCl4. The N-methyl moiety of the carbene ligand coordinated to 8d was cyclometalated in the presence of norbornene at room temperature to afford ((Me)C(∧)C:)(C(∧)N)Ir(SiEt3) (10d) ((Me)C(∧)C: = a cyclometalated N-xylyl-N'-methylperimidine-carbene), while at high temperature 8d reacted with norbornene and Et3SiH to afford the silylated product, 2-(2-triethylsilyl)phenylpyridine (3a) and norbornane. A deuterium labeling experiment using 2d and Et3SiD (excess) revealed the incorporation of deuterium atoms at two ortho-positions of the N-xylyl group (>90%) and at the 3-position of 2-pyridylphenyl ligand (ca. 40%) within 3 h at room temperature, indicating that the cyclometalation/demetalation of the N-xylylperimidine carbene and 2-phenylpyridine ligands were reversible processes. Isolation of these cyclometalated iridium complexes under controlled conditions and D-labeling experiments thus revealed a dual function of the N-aryl group bound to the perimidine-carbene ligand, which acted as both a neutral carbene ligand and a monoanionic ortho-metalated aryl-carbene ligand through reversible C-H bond activation and Ir-C bond cleavage of the N-aryl group during the catalytic cycle.
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Affiliation(s)
- Gyeongshin Choi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, CRST, JST, Toyonaka, Osaka 560-8531, Japan
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35
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Diao Y, Hao R, Kou J, Teng M, Huang G, Chen Y. Synthesis, structural characterization and catalytic activity of benzimidazole-functionalized Pd(II) N
-heterocyclic carbene complexes. Appl Organomet Chem 2013. [DOI: 10.1002/aoc.3030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yalin Diao
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
| | - Rong Hao
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
| | - Junfeng Kou
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
| | - Mingyu Teng
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
| | - Guoli Huang
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
| | - Yegao Chen
- School of Chemistry and Chemical Engineering; Yunnan Normal University; Kunming 650500 China
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36
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Zhuang RT, Lin WJ, Zhuang RR, Hwang WS. Hg(II), Ag(I) and Au(I) complexes with aniline or pyridine-functionalized N-heterocyclic carbene. Polyhedron 2013. [DOI: 10.1016/j.poly.2012.12.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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37
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Organometallic Complexes of Pyridines Together with Diverse Heterocycles as Ligands. ADVANCES IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-12-407777-5.00002-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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38
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Cabeza JA, Damonte M, Pérez-Carreño E. Reactivity of a Quinoline-Tethered N-Heterocyclic Carbene with Polynuclear Ruthenium Carbonyls. Organometallics 2012. [DOI: 10.1021/om300651d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Javier A. Cabeza
- Departamento
de Química
Orgánica e Inorgánica-IUQOEM, Universidad de Oviedo-CSIC, E-33071 Oviedo, Spain
| | - Marina Damonte
- Departamento
de Química
Orgánica e Inorgánica-IUQOEM, Universidad de Oviedo-CSIC, E-33071 Oviedo, Spain
| | - Enrique Pérez-Carreño
- Departamento de Química
Física y Analítica, Universidad de Oviedo, E-33071 Oviedo, Spain
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39
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Gülcemal S. Symmetric and dissymmetric N-heterocyclic carbene rhodium(I) complexes: a comparative study of their catalytic activities in transfer hydrogenation reaction. Appl Organomet Chem 2012. [DOI: 10.1002/aoc.2857] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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40
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Huang G, Sun H, Qiu X, Shen Y, Jiang J, Wang L. Synthesis, structural characterization of benzimidazole-functionalized Ni(II) and Hg(II) N-heterocyclic carbene complexes and their applications as efficient catalysts for Friedel–Crafts alkylations. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.04.039] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Affiliation(s)
- Todd W. Hudnall
- Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Andrew G. Tennyson
- Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Christopher W. Bielawski
- Department of Chemistry and Biochemistry, The University of Texas at Austin, Austin, Texas 78712, United States
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42
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43
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Tennyson A, Ono R, Hudnall T, Khramov D, Er JA, Kamplain J, Lynch V, Sessler J, Bielawski C. Quinobis(imidazolylidene): Synthesis and Study of an Electron-Configurable Bis(N-Heterocyclic Carbene) and Its Bimetallic Complexes. Chemistry 2010; 16:304-15. [DOI: 10.1002/chem.200901883] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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44
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Li F, Hu JJ, Koh LL, Hor TSA. Substituent-dependent structures and catalysis of benzimidazole-tethered N-heterocyclic carbene complexes of Ag(i), Ni(ii) and Pd(ii). Dalton Trans 2010; 39:5231-41. [DOI: 10.1039/c000722f] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Weinberg DR, Hazari N, Labinger JA, Bercaw JE. Iridium(I) and Iridium(III) Complexes Supported by a Diphenolate Imidazolyl-Carbene Ligand. Organometallics 2009. [DOI: 10.1021/om900803r] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David R. Weinberg
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
| | - Nilay Hazari
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
| | - Jay A. Labinger
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
| | - John E. Bercaw
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
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46
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Synthesis, characterization of novel half-sandwich iridium and rhodium complexes containing pyridine-based organochalcogen ligands. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2009.08.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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47
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Rosen EL, Varnado CD, Tennyson AG, Khramov DM, Kamplain JW, Sung DH, Cresswell PT, Lynch VM, Bielawski CW. Redox-Active N-Heterocyclic Carbenes: Design, Synthesis, and Evaluation of Their Electronic Properties. Organometallics 2009. [DOI: 10.1021/om900698x] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Evelyn L. Rosen
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - C. Daniel Varnado
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Andrew G. Tennyson
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Dimitri M. Khramov
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Justin W. Kamplain
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Daphne H. Sung
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Philip T. Cresswell
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Vincent M. Lynch
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
| | - Christopher W. Bielawski
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712
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Lin JCY, Huang RTW, Lee CS, Bhattacharyya A, Hwang WS, Lin IJB. Coinage metal-N-heterocyclic carbene complexes. Chem Rev 2009; 109:3561-98. [PMID: 19361198 DOI: 10.1021/cr8005153] [Citation(s) in RCA: 873] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Joseph C Y Lin
- Department of Chemistry, National Dong Hwa University, Hualien 974, Taiwan
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49
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Díez-González S, Marion N, Nolan SP. N-heterocyclic carbenes in late transition metal catalysis. Chem Rev 2009; 109:3612-76. [PMID: 19588961 DOI: 10.1021/cr900074m] [Citation(s) in RCA: 2580] [Impact Index Per Article: 172.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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50
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Chianese AR, Bremer PT, Wong C, Reynes RJ. Rigid, Sterically Diverse N-Heterocyclic Carbene-Pyridine Chelates: Synthesis, Mild Palladation, and Palladium-Catalyzed Allylic Substitution. Organometallics 2009. [DOI: 10.1021/om900554c] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anthony R. Chianese
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346
| | - Paul T. Bremer
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346
| | - Christina Wong
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346
| | - Rae Julienne Reynes
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346
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