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Cooper SM, Siakalli C, White AJP, Frei A, Miller PW, Long NJ. Synthesis and anti-microbial activity of a new series of bis(diphosphine) rhenium(V) dioxo complexes. Dalton Trans 2022; 51:12791-12795. [PMID: 35920379 DOI: 10.1039/d2dt02157a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhenium-based metallodrugs have recently been highlighted as promising candidates for new antibiotics to combat multi-drug resistant (MDR) pathogens. A new class of rhenium(V) dioxo complexes were prepared from readily accessible diphosphine ligands, and have been shown to possess potent activity against Staphylococcus aureus (S. aureus) and Candida albicans (C. albicans) alongside low human cell toxicity.
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Affiliation(s)
- Saul M Cooper
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
| | - Christina Siakalli
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
| | - Andrew J P White
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
| | - Angelo Frei
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
| | - Philip W Miller
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
| | - Nicholas J Long
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, 82 Wood Lane, White City Campus, London, W12 0BZ, UK.
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2
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Wiedner ES, Appel AM, Raugei S, Shaw WJ, Bullock RM. Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines. Chem Rev 2022; 122:12427-12474. [PMID: 35640056 DOI: 10.1021/acs.chemrev.1c01001] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Pendant amines play an invaluable role in chemical reactivity, especially for molecular catalysts based on earth-abundant metals. As inspired by [FeFe]-hydrogenases, which contain a pendant amine positioned for cooperative bifunctionality, synthetic catalysts have been developed to emulate this multifunctionality through incorporation of a pendant amine in the second coordination sphere. Cyclic diphosphine ligands containing two amines serve as the basis for a class of catalysts that have been extensively studied and used to demonstrate the impact of a pendant base. These 1,5-diaza-3,7-diphosphacyclooctanes, now often referred to as "P2N2" ligands, have profound effects on the reactivity of many catalysts. The resulting [Ni(PR2NR'2)2]2+ complexes are electrocatalysts for both the oxidation and production of H2. Achieving the optimal benefit of the pendant amine requires that it has suitable basicity and is properly positioned relative to the metal center. In addition to the catalytic efficacy demonstrated with [Ni(PR2NR'2)2]2+ complexes for the oxidation and production of H2, catalysts with diphosphine ligands containing pendant amines have also been demonstrated for several metals for many different reactions, both in solution and immobilized on surfaces. The impact of pendant amines in catalyst design continues to expand.
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3
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Affiliation(s)
| | - Brian R. James
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada
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4
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Rajeshwaree B, Ali A, Mir AQ, Grover J, Lahiri GK, Dutta A, Maiti D. Group 6 transition metal-based molecular complexes for sustainable catalytic CO2 activation. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01378e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
CO2 activation is one of the key steps towards CO2 mitigation. In this context, the group 6 transition metal-based molecular catalysts can lead the way.
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Affiliation(s)
- B. Rajeshwaree
- Chemistry Department, IIT Bombay, Powai, Mumbai-400076, India
| | - Afsar Ali
- Chemistry Discipline, IIT Gandhinagar, Palaj, Gandhinagar-382355, India
| | - Ab Qayoom Mir
- Chemistry Discipline, IIT Gandhinagar, Palaj, Gandhinagar-382355, India
| | - Jagrit Grover
- Chemistry Department, IIT Bombay, Powai, Mumbai-400076, India
| | | | - Arnab Dutta
- Chemistry Department, IIT Bombay, Powai, Mumbai-400076, India
- Interdisciplinary Programme in Climate Studies, IIT Bombay, Powai, Mumbai-400076, India
| | - Debabrata Maiti
- Chemistry Department, IIT Bombay, Powai, Mumbai-400076, India
- Interdisciplinary Programme in Climate Studies, IIT Bombay, Powai, Mumbai-400076, India
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5
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Modak A, Ghosh A, Bhaumik A, Chowdhury B. CO 2 hydrogenation over functional nanoporous polymers and metal-organic frameworks. Adv Colloid Interface Sci 2021; 290:102349. [PMID: 33780826 DOI: 10.1016/j.cis.2020.102349] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/16/2020] [Accepted: 12/16/2020] [Indexed: 12/21/2022]
Abstract
CO2 is one of the major environmental pollutants and its mitigation is attracting huge attention over the years due to continuous increase in this greenhouse gas emission in the atmosphere. Being environmentally hazardous and plentiful presence in nature, CO2 utilization as C1 resource into fuels and feedstock is very demanding from the green chemistry perspectives. To accomplish this CO2 utilization issue, functional organic materials like porous organic polymers (POPs), covalent organic frameworks (COFs) as well as organic-inorganic hybrid materials like metal-organic frameworks (MOFs), having characteristics of large surface area, high thermal stability and tunability in the porous nanostructures play significant role in designing the suitable catalyst for the CO2 hydrogenation reactions. Although CO2 hydrogenation is a widely studied and emerging area of research, till date review exclusively focused on designing POPs, COFs and MOFs bearing reactive functional groups is very limited. A thorough literature review on this matter will enrich our knowledge over the CO2 hydrogenation processes and the catalytic sites responsible for carrying out these chemical transformations. We emphasize recent state-of-the art developments in POPs/COFs/MOFs having unique functionalities and topologies in stabilizing metallic NPs and molecular complexes for the CO2 reduction reactions. The major differences between MOFs and porous organics are critically summarized in the outlook section with the aim of the future benefit in mitigating CO2 emission from ambient air.
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6
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Ocansey E, Darkwa J, Makhubela BCE. Iridium and Palladium CO2 Hydrogenation in Water by Catalyst Precursors with Electron-Rich Tetrazole Ligands. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00276] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Edward Ocansey
- Research Centre for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, Auckland Park 2006, South Africa
| | - James Darkwa
- Research Centre for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, Auckland Park 2006, South Africa
| | - Banothile C. E. Makhubela
- Research Centre for Synthesis and Catalysis, Department of Chemical Sciences, University of Johannesburg, Auckland Park 2006, South Africa
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7
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George GM, Wolczanski PT, MacMillan SN, Cundari TR. Unrealized concepts of masked alkylidenes in (PNP)FeXY systems and alternative approaches to LnXmFe(IV)=CHR. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114460] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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8
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Transfer Hydrogenation from 2-propanol to Acetophenone Catalyzed by [RuCl2(η6-arene)P] (P = monophosphine) and [Rh(PP)2]X (PP = diphosphine, X = Cl−, BF4−) Complexes. Catalysts 2020. [DOI: 10.3390/catal10020162] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The reduction of ketones through homogeneous transfer hydrogenation catalyzed by transition metals is one of the most important routes for obtaining alcohols from carbonyl compounds. The interest of this method increases when opportune catalytic precursors are able to perform the transformation in an asymmetric fashion, generating enantiomerically enriched chiral alcohols. This reaction has been extensively studied in terms of catalysts and variety of substrates. A large amount of information about the possible mechanisms is available nowadays, which has been of high importance for the development of systems with excellent outcomes in terms of conversion, enantioselectivity and Turn Over Frequency. On the other side, many mechanistic aspects are still unclear, especially for those catalytic precursors which have shown only moderate performances in transfer hydeogenation. This is the case of neutral [RuCl2(η6-arene)(P)] and cationic [Rh(PP)2]X (X = anion; P and PP = mono- and bidentate phosphine, respectively) complexes. Herein, a summary of the known information about the Transfer Hydrogenation catalyzed by these complexes is provided with a continuous focus on the more relevant mechanistic features.
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9
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Choi J, Lee Y. Catalytic hydrogenation of CO2 at a structurally rigidified cobalt center. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01431d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Catalytic hydrogenation of CO2 occurs at a cobalt center supported by a rigidified PNP ligand revealing higher catalytic performance.
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Affiliation(s)
- Jonghoon Choi
- Department of Chemistry
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon 34141
- Republic of Korea
| | - Yunho Lee
- Department of Chemistry
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon 34141
- Republic of Korea
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10
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Cheung PL, Kapper SC, Zeng T, Thompson ME, Kubiak CP. Improving Photocatalysis for the Reduction of CO 2 through Non-covalent Supramolecular Assembly. J Am Chem Soc 2019; 141:14961-14965. [PMID: 31490687 DOI: 10.1021/jacs.9b07067] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report the enhancement of photocatalytic performance by introduction of hydrogen-bonding interactions to a Re bipyridine catalyst and Ru photosensitizer system (ReDAC/RuDAC) by the addition of amide substituents, with carbon monoxide (CO) and carbonate/bicarbonate as products. This system demonstrates a more-than-3-fold increase in turnover number (TONCO = 100 ± 4) and quantum yield (ΦCO = 23.3 ± 0.8%) for CO formation compared to the control system using unsubstituted Ru photosensitizer (RuBPY) and ReDAC (TONCO = 28 ± 4 and ΦCO = 7 ± 1%) in acetonitrile (MeCN) with 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole (BIH) as sacrificial reductant. In dimethylformamide (DMF), a solvent that disrupts hydrogen bonds, the ReDAC/RuDAC system showed a decrease in catalytic performance while the control system exhibited an increase, indicating the role of hydrogen bonding in enhancing the photocatalysis for CO2 reduction through supramolecular assembly. The similar properties of RuDAC and RuBPY demonstrated in lifetime measurements, spectroscopic analysis, and electrochemical and spectroelectrochemical studies revealed that the enhancement in photocatalysis is due not to differences in intrinsic properties of the catalyst or photosensitizer, but to hydrogen-bonding interactions between them.
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Affiliation(s)
- Po Ling Cheung
- Department of Chemistry and Biochemistry , University of California-San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
| | - Savannah C Kapper
- Department of Chemistry , University of Southern California , Los Angeles , California 90089 , United States
| | - Tian Zeng
- Department of Chemistry and Biochemistry , University of California-San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
| | - Mark E Thompson
- Department of Chemistry , University of Southern California , Los Angeles , California 90089 , United States
| | - Clifford P Kubiak
- Department of Chemistry and Biochemistry , University of California-San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , United States
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11
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Zhang Z, Roisnel T, Dixneuf PH, Soulé J. Rh
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‐Catalyzed P
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‐Directed C−H Bond Alkylation: Design of Multifunctional Phosphines for Carboxylation of Aryl Bromides with Carbon Dioxide. Angew Chem Int Ed Engl 2019; 58:14110-14114. [DOI: 10.1002/anie.201906913] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/09/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Zhuan Zhang
- Univ. Rennes CNRS, ISCR UMR 6226 35000 Rennes France
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12
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Zhang Z, Roisnel T, Dixneuf PH, Soulé J. Rh
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‐Catalyzed P
III
‐Directed C−H Bond Alkylation: Design of Multifunctional Phosphines for Carboxylation of Aryl Bromides with Carbon Dioxide. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906913] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Zhuan Zhang
- Univ. Rennes CNRS, ISCR UMR 6226 35000 Rennes France
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13
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Kandel R, Schatte G, Jessop PG. Rh(i) and Ru(ii) phosphaamidine and phosphaguanidine (1,3-P,N) complexes and their activity for CO 2 hydrogenation. Dalton Trans 2019; 48:12512-12521. [PMID: 31363732 DOI: 10.1039/c9dt00602h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Phosphaamidine metal complexes Rh2Cl2[Ph2PC(Ph)[double bond, length as m-dash]NPh]2μ-CO (1), RuCl2[Ph2PC(Ph)[double bond, length as m-dash]N(Ph)]2 (2), [Rh{iPr2PC(Ph)[double bond, length as m-dash]NiPr}(COD)]BF4 (3), and RuCl2[iPr2PC(Ph)[double bond, length as m-dash]NiPr](DMSO)2 (4) are prepared by combining phosphaamidines Ph2P-C(Ph)[double bond, length as m-dash]NPh and iPr2P-C(Ph)[double bond, length as m-dash]NiPr (1,3-P,N) with their corresponding metal ions. Complexes 1 and 2 are stable in air while 3 and 4 are stable under inert conditions. For further comparison of structure and stability, a Ru(ii) phosphaguanidine complex, RuCl2[Me2NC(PPh2)[double bond, length as m-dash]NiPr](DMSO)2 (6) was prepared. Complex 6 is stable in air and in the presence of water. The structures of the phosphaamidine and phosphaguanidine complexes, determined using single crystal X-ray diffraction, revealed P,N bidentate coordination. While all five complexes have some activity as precatalysts, complex 6 was the most active.
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Affiliation(s)
- Ramjee Kandel
- Department of Chemistry, Queen's University, Kingston, ON, CanadaK7L 3N6.
| | - Gabriele Schatte
- Department of Chemistry, Queen's University, Kingston, ON, CanadaK7L 3N6.
| | - Philip G Jessop
- Department of Chemistry, Queen's University, Kingston, ON, CanadaK7L 3N6.
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14
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Aster A, Wang S, Mirmohades M, Esmieu C, Berggren G, Hammarström L, Lomoth R. Metal vs. ligand protonation and the alleged proton-shuttling role of the azadithiolate ligand in catalytic H 2 formation with FeFe hydrogenase model complexes. Chem Sci 2019; 10:5582-5588. [PMID: 31293742 PMCID: PMC6552503 DOI: 10.1039/c9sc00876d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 04/30/2019] [Indexed: 12/03/2022] Open
Abstract
Real-time spectroscopic observation of electron transfer-induced protonation reactivity elucidates the role of the second sphere basic site in a H2 evolution catalyst.
Electron and proton transfer reactions of diiron complexes [Fe2adt(CO)6] (1) and [Fe2adt(CO)4(PMe3)2] (4), with the biomimetic azadithiolate (adt) bridging ligand, have been investigated by real-time IR- and UV-vis-spectroscopic observation to elucidate the role of the adt-N as a potential proton shuttle in catalytic H2 formation. Protonation of the one-electron reduced complex, 1–, occurs on the adt-N yielding 1H and the same species is obtained by one-electron reduction of 1H+. The preference for ligand vs. metal protonation in the Fe2(i,0) state is presumably kinetic but no evidence for tautomerization of 1H to the hydride 1Hy was observed. This shows that the adt ligand does not work as a proton relay in the formation of hydride intermediates in the reduced catalyst. A hydride intermediate 1HHy+ is formed only by protonation of 1H with stronger acid. Adt protonation results in reduction of the catalyst at much less negative potential, but subsequent protonation of the metal centers is not slowed down, as would be expected according to the decrease in basicity. Thus, the adtH+ complex retains a high turnover frequency at the lowered overpotential. Instead of proton shuttling, we propose that this gain in catalytic performance compared to the propyldithiolate analogue might be rationalized in terms of lower reorganization energy for hydride formation with bulk acid upon adt protonation.
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Affiliation(s)
- Alexander Aster
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Shihuai Wang
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Mohammad Mirmohades
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Charlène Esmieu
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Gustav Berggren
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Leif Hammarström
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
| | - Reiner Lomoth
- Department of Chemistry-Ångström Laboratory , Uppsala University , Box 523 , SE-751 20 Uppsala , Sweden .
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15
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Mannu A, Vlahopoulou G, Kubis C, Drexler HJ. Synthesis and characterization of [Rh(PP)(PP)]X complexes (PP = DPPE or DPPP, X = Cl− or BF4-). Phosphine exchange and reactivity in transfer hydrogenation conditions. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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16
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Walsh AP, Laureanti JA, Katipamula S, Chambers G, Priyadarshani N, Lense S, Bays JT, Linehan JC, Shaw WJ. Evaluating the impacts of amino acids in the second and outer coordination spheres of Rh-bis(diphosphine) complexes for CO2 hydrogenation. Faraday Discuss 2019; 215:123-140. [DOI: 10.1039/c8fd00164b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The influence of a biologically inspired second and outer coordination sphere on Rh-bis(diphosphine) CO2 hydrogenation catalysts was explored.
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Affiliation(s)
- Aaron P. Walsh
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Joseph A. Laureanti
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Sriram Katipamula
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Geoffrey M. Chambers
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Nilusha Priyadarshani
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Sheri Lense
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - J. Timothy Bays
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - John C. Linehan
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Wendy J. Shaw
- Physical and Computational Sciences Directorate
- Pacific Northwest National Laboratory
- Richland
- USA
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17
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Laureanti JA, Buchko GW, Katipamula S, Su Q, Linehan JC, Zadvornyy OA, Peters JW, O’Hagan M. Protein Scaffold Activates Catalytic CO2 Hydrogenation by a Rhodium Bis(diphosphine) Complex. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02615] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Joseph A. Laureanti
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Garry W. Buchko
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- School of Molecular Biosciences, Washington State University, Pullman, Washington 99164, United States
| | - Sriram Katipamula
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Qiwen Su
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John C. Linehan
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Oleg A. Zadvornyy
- Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - John W. Peters
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Molly O’Hagan
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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18
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Phanopoulos A, Nozaki K. Branched-Selective Hydroformylation of Nonactivated Olefins Using an N-Triphos/Rh Catalyst. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00566] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Andreas Phanopoulos
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Gunasekar GH, Shin J, Jung KD, Park K, Yoon S. Design Strategy toward Recyclable and Highly Efficient Heterogeneous Catalysts for the Hydrogenation of CO2 to Formate. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00392] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Gunniya Hariyanandam Gunasekar
- Department of Applied Chemistry, Kookmin University, 861-1 Jeongneung-dong, Seongbuk-gu, Republic of Korea
- Clean Energy Research Centre, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Republic of Korea
| | - Jeongcheol Shin
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Kwang-Deog Jung
- Clean Energy Research Centre, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Republic of Korea
| | - Kiyoung Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Sungho Yoon
- Department of Applied Chemistry, Kookmin University, 861-1 Jeongneung-dong, Seongbuk-gu, Republic of Korea
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Chantarojsiri T, Ziller JW, Yang JY. Incorporation of redox-inactive cations promotes iron catalyzed aerobic C-H oxidation at mild potentials. Chem Sci 2018; 9:2567-2574. [PMID: 29732136 PMCID: PMC5911827 DOI: 10.1039/c7sc04486k] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 01/28/2018] [Indexed: 12/18/2022] Open
Abstract
The synthesis and characterization of the Schiff base complexes Fe(ii) (2M) and Fe(iii)Cl (3M), where M is a K+ or Ba2+ ion incorporated into the ligand, are reported. The Fe(iii/ii) redox potentials are positively shifted by 440 mV (2K) and 640 mV (2Ba) compared to Fe(salen) (salen = N,N'-bis(salicylidene)ethylenediamine), and by 70 mV (3K) and 230 mV (3Ba) compared to Fe(Cl)(salen), which is likely due to an electrostatic effect (electric field) from the cation. The catalytic activity of 3M towards the aerobic oxidation of allylic C-H bonds was explored. Prior studies on iron salen complexes modified through conventional electron-donating or withdrawing substituents found that only the most oxidizing derivatives were competent catalysts. In contrast, the 3M complexes, which are significantly less oxidizing, are both active. Mechanistic studies comparing 3M to Fe(salen) derivatives indicate that the proximal cation contributes to the overall reactivity in the rate determining step. The cationic charge also inhibits oxidative deactivation through formation of the corresponding Fe2-μ-oxo complexes, which were isolated and characterized. This study demonstrates how non-redox active Lewis acidic cations in the secondary coordination sphere can be used to modify redox catalysts in order to operate at milder potentials with a minimal impact on the reactivity, an effect that was unattainable by tuning the catalyst through traditional substituent effects on the ligand.
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Affiliation(s)
| | - Joseph W Ziller
- Department of Chemistry , University of California , Irvine , 92697 , USA .
| | - Jenny Y Yang
- Department of Chemistry , University of California , Irvine , 92697 , USA .
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22
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Mummadi S, Kenefake D, Diaz R, Unruh DK, Krempner C. Interactions of Verkade’s Superbase with Strong Lewis Acids: From Labile Mono- and Binuclear Lewis Acid–Base Complexes to Phosphenium Cations. Inorg Chem 2017; 56:10748-10759. [DOI: 10.1021/acs.inorgchem.7b01719] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suresh Mummadi
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Dustin Kenefake
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Rony Diaz
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Daniel K. Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Clemens Krempner
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
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23
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Roy S, Sharma B, Pécaut J, Simon P, Fontecave M, Tran PD, Derat E, Artero V. Molecular Cobalt Complexes with Pendant Amines for Selective Electrocatalytic Reduction of Carbon Dioxide to Formic Acid. J Am Chem Soc 2017; 139:3685-3696. [PMID: 28206761 DOI: 10.1021/jacs.6b11474] [Citation(s) in RCA: 187] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We report here on a new series of CO2-reducing molecular catalysts based on Earth-abundant elements that are very selective for the production of formic acid in dimethylformamide (DMF)/water mixtures (Faradaic efficiency of 90 ± 10%) at moderate overpotentials (500-700 mV in DMF measured at the middle of the catalytic wave). The [CpCo(PR2NR'2)I]+ compounds contain diphosphine ligands, PR2NR'2, with two pendant amine residues that act as proton relays during CO2-reduction catalysis and tune their activity. Four different PR2NR'2 ligands with cyclohexyl or phenyl substituents on phosphorus and benzyl or phenyl substituents on nitrogen were employed, and the compound with the most electron-donating phosphine ligand and the most basic amine functions performs best among the series, with turnover frequency >1000 s-1. State-of-the-art benchmarking of catalytic performances ranks this new class of cobalt-based complexes among the most promising CO2-to-formic acid reducing catalysts developed to date; addressing the stability issues would allow further improvement. Mechanistic studies and density functional theory simulations confirmed the role of amine groups for stabilizing key intermediates through hydrogen bonding with water molecules during hydride transfer from the Co center to the CO2 molecule.
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Affiliation(s)
- Souvik Roy
- Laboratoire de Chimie et Biologie des Métaux, Université Grenoble Alpes , CEA, CNRS, 17 rue des Martyrs, 38000 Grenoble, France
| | - Bhaskar Sharma
- Institut Parisien de Chimie Moléculaire, UMR 8232, Sorbonne Universités , UPMC Univ. Paris 06, CNRS, 75005 Paris, France
| | - Jacques Pécaut
- Reconnaissance Ionique et Chimie de Coordination, DRF-INAC-SyMMES, Université Grenoble Alpes , CNRS, CEA, 17 rue des Martyrs, 38000 Grenoble, France
| | - Philippe Simon
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie , CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie , CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France
| | - Phong D Tran
- Laboratoire de Chimie et Biologie des Métaux, Université Grenoble Alpes , CEA, CNRS, 17 rue des Martyrs, 38000 Grenoble, France.,Department of Advanced Materials Science and Nanotechnology, University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet, Cau Giay, 122102 Hanoi, Vietnam
| | - Etienne Derat
- Institut Parisien de Chimie Moléculaire, UMR 8232, Sorbonne Universités , UPMC Univ. Paris 06, CNRS, 75005 Paris, France
| | - Vincent Artero
- Laboratoire de Chimie et Biologie des Métaux, Université Grenoble Alpes , CEA, CNRS, 17 rue des Martyrs, 38000 Grenoble, France
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24
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Dong K, Razzaq R, Hu Y, Ding K. Homogeneous Reduction of Carbon Dioxide with Hydrogen. Top Curr Chem (Cham) 2017; 375:23. [DOI: 10.1007/s41061-017-0107-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Accepted: 01/12/2017] [Indexed: 11/29/2022]
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25
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Boralugodage NP, Arachchige RJ, Dutta A, Buchko GW, Shaw WJ. Evaluating the role of acidic, basic, and polar amino acids and dipeptides on a molecular electrocatalyst for H2 oxidation. Catal Sci Technol 2017. [DOI: 10.1039/c6cy02579j] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Outer coordination sphere interactions reduce the overpotential for H2 oxidation catalysts (brown ellipse) compared to those that have –COOH groups but don't have stabilizing interactions (blue ellipse).
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Affiliation(s)
| | | | - Arnab Dutta
- Pacific Northwest National Laboratory
- Richland
- 99352 USA
| | | | - Wendy J. Shaw
- Pacific Northwest National Laboratory
- Richland
- 99352 USA
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26
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Spentzos AZ, Barnes CL, Bernskoetter WH. Effective Pincer Cobalt Precatalysts for Lewis Acid Assisted CO2 Hydrogenation. Inorg Chem 2016; 55:8225-33. [DOI: 10.1021/acs.inorgchem.6b01454] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Ariana Z. Spentzos
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Charles L. Barnes
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Wesley H. Bernskoetter
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
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27
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Kramer WW, McCrory CCL. Polymer coordination promotes selective CO 2 reduction by cobalt phthalocyanine. Chem Sci 2016; 7:2506-2515. [PMID: 28660020 PMCID: PMC5477023 DOI: 10.1039/c5sc04015a] [Citation(s) in RCA: 130] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 02/01/2016] [Indexed: 12/23/2022] Open
Abstract
Cobalt phthalocyanine (CoPc) is a known electrocatalyst for the carbon dioxide reduction reaction (CO2RR) that, when adsorbed onto edge-plane graphite (EPG) electrodes, shows modest activity and selectivity for CO production along with co-generation of H2. In contrast, electrodes modified with CoPc immobilized in a poly-4-vinylpridine (P4VP) film show dramatically enhanced activity and selectivity compared to those modified with CoPc alone. CoPc-P4VP films display a faradaic efficiency of ∼90% for CO, with a turnover frequency of 4.8 s-1 at just -0.75 V vs. RHE. Two properties of P4VP contribute to enhancing the activity of CoPc: (1) the ability of individual pyridine residues to coordinate to CoPc and (2) the high concentration of uncoordinated pyridine residues throughout the film which may enhance the catalytic activity of CoPc through secondary and other outer coordination sphere effects. Electrodes modified with polymer-free, five-coordinate CoPc(py) films (py = pyridine) and with CoPc catalysts immobilized in non-coordinating poly-2-vinylpyridine films were prepared to independently investigate the role that each property plays in enhancing CO2RR performance of CoPc-P4VP. These studies show that a synergistic relationship between the primary and outer coordination sphere effects is responsible for the enhanced catalytic activity of CoPc when embedded in the P4VP membrane.
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Affiliation(s)
- W W Kramer
- Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , CA 91125 , USA .
| | - C C L McCrory
- Division of Chemistry and Chemical Engineering , California Institute of Technology , Pasadena , CA 91125 , USA .
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28
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Ramakrishnan S, Waldie KM, Warnke I, De Crisci AG, Batista VS, Waymouth RM, Chidsey CED. Experimental and Theoretical Study of CO2 Insertion into Ruthenium Hydride Complexes. Inorg Chem 2016; 55:1623-32. [DOI: 10.1021/acs.inorgchem.5b02556] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Kate M. Waldie
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Ingolf Warnke
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-81087, United States
| | - Antonio G. De Crisci
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Victor S. Batista
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-81087, United States
| | - Robert M. Waymouth
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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29
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Ni SF, Dang L. Insight into the electronic effect of phosphine ligand on Rh catalyzed CO2 hydrogenation by investigating the reaction mechanism. Phys Chem Chem Phys 2016; 18:4860-70. [DOI: 10.1039/c5cp07256e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The effect of the outer coordination sphere of the diphosphine ligand on the catalytic efficiency of [Rh(PCH2XRCH2P)2]+ (XR = CH2, N–CH3, CF2) catalyzed CO2 hydrogenation was studied. It was found that the hydricity of the metal hydride bond determined the activation energy of the rate determining step of the reaction.
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Affiliation(s)
- Shao-Fei Ni
- Department of Chemistry in South University of Science and Technology of China
- Shenzhen
- P. R. China
| | - Li Dang
- Department of Chemistry in South University of Science and Technology of China
- Shenzhen
- P. R. China
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30
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Wang WH, Himeda Y, Muckerman JT, Manbeck GF, Fujita E. CO2 Hydrogenation to Formate and Methanol as an Alternative to Photo- and Electrochemical CO2 Reduction. Chem Rev 2015; 115:12936-73. [DOI: 10.1021/acs.chemrev.5b00197] [Citation(s) in RCA: 1023] [Impact Index Per Article: 113.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Wan-Hui Wang
- School
of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Yuichiro Himeda
- National Institute of Advanced Industrial Science and Technology, Tsukuba Central 5-1, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
- JST, ACT-C, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - James T. Muckerman
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Gerald F. Manbeck
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Etsuko Fujita
- Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
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31
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Lilio AM, Reineke MH, Moore CE, Rheingold AL, Takase MK, Kubiak CP. Incorporation of Pendant Bases into Rh(diphosphine)2 Complexes: Synthesis, Thermodynamic Studies, And Catalytic CO2 Hydrogenation Activity of [Rh(P2N2)2]+ Complexes. J Am Chem Soc 2015; 137:8251-60. [DOI: 10.1021/jacs.5b04291] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Alyssia M. Lilio
- Department
of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0358, United States
| | - Mark H. Reineke
- Department
of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0358, United States
| | - Curtis E. Moore
- Department
of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0358, United States
| | - Arnold L. Rheingold
- Department
of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0358, United States
| | - Michael K. Takase
- Beckman
Institute, California Institute of Technology, 1200 East California Blvd., Pasadena, California 91125, United States
| | - Clifford P. Kubiak
- Department
of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0358, United States
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32
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Priyadarshani N, Ginovska B, Bays JT, Linehan JC, Shaw WJ. Photoswitching a molecular catalyst to regulate CO2 hydrogenation. Dalton Trans 2015. [DOI: 10.1039/c5dt01649e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Attaching azobenzene across a Rh CO2 hydrogenation catalyst results in a complex that switches structure, controlling the rate of CO2 hydrogenation.
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