1
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Acosta-Calle S, Huebsch EZ, Kolmar SS, Whited MT, Chen CH, Miller AJM. Regulating Access to Active Sites via Hydrogen Bonding and Cation-Dipole Interactions: A Dual Cofactor Approach to Switchable Catalysis. J Am Chem Soc 2024. [PMID: 38598724 DOI: 10.1021/jacs.3c10877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Hydrogen bonding networks are ubiquitous in biological systems and play a key role in controlling the conformational dynamics and allosteric interactions of enzymes. Yet in small organometallic catalysts, hydrogen bonding rarely controls ligand binding to the metal center. In this work, a hydrogen bonding network within a well-defined organometallic catalyst works in concert with cation-dipole interactions to gate substrate access to the active site. An ammine ligand acts as one cofactor, templating a hydrogen bonding network within a pendent crown ether and preventing the binding of strong donor ligands, such as nitriles, to the nickel center. Sodium ions are the second cofactor, disrupting hydrogen bonding to enable switchable ligand substitution reactions. Thermodynamic analyses provide insight into the energetic requirements of the different supramolecular interactions that enable substrate gating. The dual cofactor approach enables switchable catalytic hydroamination of crotononitrile. Systematic comparisons of catalysts with varying structural features provide support for the critical role of the dual cofactors in achieving on/off catalysis with substrates containing strongly donating functional groups that might otherwise interfere with switchable catalysts.
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Affiliation(s)
- Sebastian Acosta-Calle
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Elsa Z Huebsch
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Scott S Kolmar
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Matthew T Whited
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
- Department of Chemistry, Carleton College, Northfield, Minnesota 55057, United States
| | - Chun-Hsing Chen
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Alexander J M Miller
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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2
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Lin L, Tresp DS, Spasyuk DM, Lalancette RA, Prokopchuk DE. Accessing Ni(0) to Ni(IV) via nickel-carbon-phosphorus bond reorganization. Chem Commun (Camb) 2024; 60:674-677. [PMID: 38050452 DOI: 10.1039/d3cc04687g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Two-electron oxidation of a NiIIPh(PCP) pincer complex initiates phosphine ligand insertion, generating an η6-arylphosphonium moiety coordinated to NiII. The reaction is fully reversible under reducing conditions. X-ray crystallography, NMR/EPR spectroscopy, electrochemistry, and DFT calculations support the proposed Ni-C-P bond reorganization mechanisms, which access oxidation states from Ni0 to NiIV.
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Affiliation(s)
- Lirong Lin
- Department of Chemistry, Rutgers University - Newark, Newark, New Jersey 07102, USA.
| | - David S Tresp
- Department of Chemistry, Rutgers University - Newark, Newark, New Jersey 07102, USA.
| | - Denis M Spasyuk
- Canadian Light Source, Saskatoon, Saskatchewan, S7N2V3, Canada
| | - Roger A Lalancette
- Department of Chemistry, Rutgers University - Newark, Newark, New Jersey 07102, USA.
| | - Demyan E Prokopchuk
- Department of Chemistry, Rutgers University - Newark, Newark, New Jersey 07102, USA.
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3
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Sarker RK, Mangin LP, Zargarian D. Reactivities of cyclonickellated complexes with hydroxylamines: formation of κ O-hydroxylamine and κ N-imine adducts and a κ O, κ N-aminoxide derivative. Dalton Trans 2023; 52:366-375. [PMID: 36515260 DOI: 10.1039/d2dt02979k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This report discusses the reactivities of hydroxylamines with a family of nickellacyclic complexes prepared by C-H nickellation of aryl phosphinites. Treating the dimeric complexes κC,κP-{2-OPR2,4-R'-C6H4}2Ni2(μ-Br)2 (R = i-Pr; R' = H, Cl, OMe, NMe2) or their monomeric acetonitrile adducts κC,κP-{2-OPR2,4-R'-C6H4}Ni(Br)(NCMe) with hydroxylamines showed three types of reactivities depending on the Ni complex, the reaction solvent, and the substrate used: (1) the benzyl-protected substrate PhCH2ONH2 gave simple N-bound adducts with all Ni complexes; (2) the parent Ni dimer (R' = H) reacted with Et2NOH and (PhCH2)2NOH in CH2Cl2 to give, respectively, the zwitterionic amine oxide κC,κP-{2-OPR2-C6H5}Ni(κO-ONHEt2)Br and the bidentate aminoxide (i-R2POPh)Ni{κO,κN-ON(CH2Ph)2}Br; (3) the analogous reaction of substituted Ni complexes (R' = Cl, OMe, NMe2) with hydroxylamines in acetonitrile gave adducts of imines derived from dehydration of Et2NOH and (PhCH2)2NOH. The latter reactivity proceeds optimally in acetonitrile, but it also occurs to a lesser extent in C6D6 if the reaction is allowed to go for more than 24 h. Different mechanistic scenarios have been considered to rationalize the observed hydroxylamine → imine transformation.
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Affiliation(s)
- Rajib K Sarker
- Département de chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7.
| | - Loïc P Mangin
- Département de chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7.
| | - Davit Zargarian
- Département de chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7.
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4
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Du Y, Jiang B, Han G. A Facile Highly Selective Anti‐Markovnikov Hydroamination of Vinyl Pyridines by Free Radical Oxidation. ChemistrySelect 2022. [DOI: 10.1002/slct.202204136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Yue‐Yue Du
- College of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 P. R. of. China
| | - Bo Jiang
- College of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 P. R. of. China
| | - Guo‐Zhi Han
- College of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 P. R. of. China
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5
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Yamun P, Philip RM, Anilkumar G. Nickel catalyzed hydroamination reactions: An overview. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Fang F, Kang JX, Xu CQ, Chang J, Zhang J, Li S, Chen X. Which Type of Pincer Complex Is Thermodynamically More Stable? Understanding the Structures and Relative Bond Strengths of Group 10 Metal Complexes Supported by Benzene-Based PYCYP Pincer Ligands. Inorg Chem 2021; 60:18924-18937. [PMID: 34878759 DOI: 10.1021/acs.inorgchem.1c02722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The influence of the pincer platform composition and substitution on the reactivity and physical properties of pincer complexes can be easily explored through different experimental techniques. However, the influence of these factors on the molecular structures and thermodynamic stability of pincer complexes is usually very subtle and cannot always be unambiguously established. To rationalize this subtle influence, a survey of crystallographic data from 130 group 10 metal pincer complexes supported by benzene-based PYCYP pincer ligands, [2,6-(R2PY)2C6H3-nR'n]MX (Y = CH2, NH, O, S; M = Ni, Pd, Pt; R = tBu, iPr, Ph, Cy, Me; R' = CO2Me, tBu, CF3, Ac; n = 0-2; X = F, Cl, Br, I, H, SH, SPh, SBn, Ph, Me, N3, NCS), was carried out. Theoretical calculations for some selected complexes were performed to evaluate the relative bond strength. It was found that the M-Cipso bond length decreases following the linker series of CH2 > NH > O and that the relative M-Cipso bond strength increases following the linker series of CH2 < NH < O. In most cases, the M-P bond length decreases following the linker series of NH > CH2 > O. The relative M-P bond strength increases following the linker series of CH2 < NH < O. A comparison of the thermochemical balance for the isodesmic displacement of the side-arm interactions with PH3 as a probe ligand indicated that the Ni-P bond in a PCCCP-type pincer complex is far less difficult to break compared with that in a POCOP-type complex. As a result, with the same donor substituents and the same auxiliary ligand, the POCOP-type pincer complexes are thermodynamically more stable than the PCCCP complexes. The influence of other backbone and donor substitutions as well as the pincer platform composition on the M-Cipso, M-P, and M-X bond lengths, relative bond strengths, and P-M-P bite angles was also discussed.
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Affiliation(s)
- Fei Fang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jia-Xin Kang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Cong-Qiao Xu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jiarui Chang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jie Zhang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Shujun Li
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuenian Chen
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China
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7
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C-Ni bond functionalization in the reaction of binuclear cyclometallated Ni(II) complexes with chlorophosphines. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2020.101178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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8
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Li Y, Krause JA, Guan H. POCOP-type cobalt and nickel pincer complexes bearing an appended phosphinite group. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0137] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The reaction of 1,3,5-(iPr2PO)3C6H3 with Co2(CO)8 leads to the isolation of a POCOP-type mononuclear pincer complex {κP,κC,κP-2,4,6-(iPr2PO)3C6H2}Co(CO)2 (1) or a tetranuclear species {κP-{κP,κC,κP-2,4,6-(iPr2PO)3C6H2}Co(CO)2}2Co2(CO)6 (2), depending on the ligand to cobalt ratio employed. The latter compound can be an impurity during the synthesis of {2,6-(iPr2PO)2-4-Me2N-C6H2}Co(CO)2, when the ligand precursor 5-(dimethylamino)resorcinol is contaminated with phloroglucinol due to incomplete monoamination. Similarly, the reaction of 1,3,5-(iPr2PO)3C6H3 with NiCl2 in the presence of 4-dimethylaminopyridine provides {κP,κC,κP-2,4,6-(iPr2PO)3C6H2}NiCl (3) bearing an appended phosphinite group. Structures 1–3 have been studied by X-ray crystallography.
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Affiliation(s)
- Yingze Li
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
- Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221-0172, USA
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9
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Jagtap RA, Ankade SB, Gonnade RG, Punji B. Achiral and chiral NNN-pincer nickel complexes with oxazolinyl backbones: application in transfer hydrogenation of ketones. NEW J CHEM 2021. [DOI: 10.1039/d1nj01698a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NNN-based achiral and chiral (oxazolinyl)amido-pincer nickel complexes are developed and employed for the catalytic transfer hydrogenation of ketones.
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Affiliation(s)
- Rahul A. Jagtap
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
| | - Shidheshwar B. Ankade
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
| | - Rajesh G. Gonnade
- Centre for Material Characterization
- CSIR–National Chemical Laboratory
- Pune – 411 008
- India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Lab
- Chemical Engineering Division
- CSIR–National Chemical Laboratory (CSIR–NCL)
- Dr Homi Bhabha Road
- Pune – 411 008
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10
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Abstract
Our planet urgently needs sustainable solutions to alleviate the anthropogenic global warming and climate change. Homogeneous catalysis has the potential to play a fundamental role in this process, providing novel, efficient, and at the same time eco-friendly routes for both chemicals and energy production. In particular, pincer-type ligation shows promising properties in terms of long-term stability and selectivity, as well as allowing for mild reaction conditions and low catalyst loading. Indeed, pincer complexes have been applied to a plethora of sustainable chemical processes, such as hydrogen release, CO2 capture and conversion, N2 fixation, and biomass valorization for the synthesis of high-value chemicals and fuels. In this work, we show the main advances of the last five years in the use of pincer transition metal complexes in key catalytic processes aiming for a more sustainable chemical and energy production.
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11
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Catalytic Conversion of Nitriles by Metal Pincer Complexes. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_62] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Mangin LP, Zargarian D. C–H Nickelation of Naphthyl Phosphinites: Electronic and Steric Limitations, Regioselectivity, and Tandem C–P Functionalization. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00660] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Loïc P. Mangin
- Département de Chimie, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Davit Zargarian
- Département de Chimie, Université de Montréal, Montréal, Québec H3C 3J7, Canada
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13
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Bis-pyrazolyl-s-triazine Ni(II) pincer complexes as selective gram positive antibacterial agents; synthesis, structural and antimicrobial studies. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.103] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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14
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Zhang J, Cao B, Ding Y, Chang J, Li S, Chen X. Syntheses and Structures of Group 10 Metal POCOP Pincer Complexes Bearing A Mercapto-o-
carborane Auxiliary Ligand. ChemistrySelect 2019. [DOI: 10.1002/slct.201803908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jie Zhang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
| | - Bula Cao
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
| | - Yazhou Ding
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
| | - Jiarui Chang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
| | - Shujun Li
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
| | - Xuenian Chen
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials; Henan Normal University Xinxiang; Henan 453007 China
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15
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Zhang J, Liu T, Wei C, Chang J, Ma QQ, Li S, Ma N, Chen X. The Reactivity of Mercapto Groups against Boron Hydrides in Pincer Ligated Nickel Mercapto Complexes. Chem Asian J 2018; 13:3231-3238. [PMID: 30129168 DOI: 10.1002/asia.201801050] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 08/17/2018] [Indexed: 01/24/2023]
Abstract
Several pincer ligated nickel mercapto complexes, [2,6-(R2 PCH2 )2 C6 H3 ]NiSH (R=tBu, 1 a; iPr, 1 b), [2,6-(R2 PO)2 C6 H3 ]NiSH (R=tBu, 2 a; iPr, 2 b) and [4-MeOCO-2,6-(tBu2 PO)2 C6 H2 ]NiSH (3 a), were synthesized and fully characterized. The reactivity of the mercapto groups against boron hydrides and organic bases was investigated. It was found that the mercapto groups are difficult to be deprotonated by boron hydrides or organic bases. The treatment of complex 2 a or 2 b with an excess amount of catecholborane (HBcat) afforded the corresponding pincer ligated nickel borohydride complexes and the HBcat degradation product. The treatment of complex 1 a, 2 a or 2 b with an excess amount of BH3 ⋅THF produced the corresponding nickel borohydride species and the S-bridged triborane species THF⋅BH2 -μ2 -S(B2 H5 ) (5). No reactions between these complexes and organic bases were observed. DFT calculations were carried out to understand this reactivity and get mechanistic insights into the reactions.
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Affiliation(s)
- Jie Zhang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Ting Liu
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Changgeng Wei
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Jiarui Chang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Qiang-Qiang Ma
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Shujun Li
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Nana Ma
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Xuenian Chen
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Henan Normal University, Xinxiang, Henan, 453007, China
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Application of POCOP Pincer Nickel Complexes to the Catalytic Hydroboration of Carbon Dioxide. Catalysts 2018. [DOI: 10.3390/catal8110508] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The reduction of CO2 is of great importance. In this paper, different types of bis(phosphinite) (POCOP) pincer nickel complexes, [2,6-(R2PO)2C6H3]NiX (R = tBu, iPr, Ph; X = SH, N3, NCS), were applied to the catalytic hydroboration of CO2 with catecholborane (HBcat). It was found that pincer complexes with tBu2P or iPr2P phosphine arms are active catalysts for this reaction in which CO2 was successfully reduced to a methanol derivative (CH3OBcat) with a maximum turnover frequency of 1908 h−1 at room temperature under an atmospheric pressure of CO2. However, complexes with phenyl-substituted phosphine arms failed to catalyze this reaction—the catalysts decomposed under the catalytic conditions. Complexes with iPr2P phosphine arms are more active catalysts compared with the corresponding complexes with tBu2P phosphine arms. For complexes with the same phosphine arms, the catalytic activity follows the series of mercapto complex (X = SH) ≈ azido complex (X = N3) >> isothiocyanato complex (X = NCS). It is believed that all of these catalytic active complexes are catalyst precursors which generate the nickel hydride complex [2,6-(R2PO)2C6H3]NiH in situ, and the nickel hydride complex is the active species to catalyze this reaction.
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Affiliation(s)
- Nadeesha P. N. Wellala
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hai T. Dong
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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18
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Bissember AC, Gardiner MG, Wierenga TS. α-Cyanocarbanion complexes and their application in synthesis. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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19
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Mousa AH, Bendix J, Wendt OF. Synthesis, Characterization, and Reactivity of PCN Pincer Nickel Complexes. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00333] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Abdelrazek H. Mousa
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, S-221 00 Lund, Sweden
| | - Jesper Bendix
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Ola F. Wendt
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, S-221 00 Lund, Sweden
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20
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Li Y, Krause JA, Guan H. Cobalt POCOP Pincer Complexes via Ligand C–H Bond Activation with Co2(CO)8: Catalytic Activity for Hydrosilylation of Aldehydes in an Open vs a Closed System. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00273] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yingze Li
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jeanette A. Krause
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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21
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Gafurov ZN, Kagilev AA, Kantyukov AO, Balabaev AA, Sinyashin OG, Yakhvarov DG. Classification and synthesis of nickel pincer complexes. Russ Chem Bull 2018. [DOI: 10.1007/s11172-018-2086-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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LaPierre EA, Clapson ML, Piers WE, Maron L, Spasyuk DM, Gendy C. Oxygen Atom Transfer to Cationic PCPNi(II) Complexes Using Amine-N-Oxides. Inorg Chem 2017; 57:495-506. [DOI: 10.1021/acs.inorgchem.7b02766] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Etienne A. LaPierre
- Department of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
| | - Marissa L. Clapson
- Department of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
| | - Warren E. Piers
- Department of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
| | - Laurent Maron
- LPCNO, Université de Toulouse, INSA, UPS, LPCNO, 135
avenue de Rangueil, F-31077 Toulouse, France
| | - Denis M. Spasyuk
- Canadian Light Source, Inc., 44 Innovation Boulevard, Saskatoon, Saskatchewan, Canada S7N 2V3
| | - Chris Gendy
- Department of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, Canada T2N 1N4
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23
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Lee GM, Korobkov I, Baker RT. d8 Nickel and palladium difluorocarbenes derived from trifluoromethyl POCOP-type pincer complexes. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.04.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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24
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Puerta Lombardi BM, Brown RM, Gendy C, Chang CY, Chivers T, Roesler R. Nickel and Platinum PCP Pincer Complexes Incorporating an Acyclic Diaminoalkyl Central Moiety Connecting Imidazole or Pyrazole Rings. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00396] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Braulio M. Puerta Lombardi
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Rudy M. Brown
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Chris Gendy
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Chia Yun Chang
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Tristram Chivers
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Roland Roesler
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
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25
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Synthesis and characterization of six-membered pincer nickelacycles and application in alkylation of benzothiazole. J CHEM SCI 2017. [DOI: 10.1007/s12039-017-1338-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Tafazolian H, Schmidt JAR. Cationic [(Iminophosphine)Nickel(Allyl)]+Complexes as the First Example of Nickel Catalysts for Direct Hydroamination of Allenes. Chemistry 2017; 23:1507-1511. [DOI: 10.1002/chem.201605611] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Hosein Tafazolian
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering; College of Natural Sciences and Mathematics; The University of Toledo; 2801 W. Bancroft St. MS 602 Toledo Ohio 43606-3390 USA
| | - Joseph A. R. Schmidt
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering; College of Natural Sciences and Mathematics; The University of Toledo; 2801 W. Bancroft St. MS 602 Toledo Ohio 43606-3390 USA
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27
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Patel UN, Pandey DK, Gonnade RG, Punji B. Synthesis of Quinoline-Based NNN-Pincer Nickel(II) Complexes: A Robust and Improved Catalyst System for C–H Bond Alkylation of Azoles with Alkyl Halides. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00201] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ulhas N. Patel
- Organometallic Synthesis
and Catalysis Group, Chemical Engineering
Division, and ‡Centre for Material Characterization, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411 008, Maharashtra, India
| | - Dilip K. Pandey
- Organometallic Synthesis
and Catalysis Group, Chemical Engineering
Division, and ‡Centre for Material Characterization, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411 008, Maharashtra, India
| | - Rajesh G. Gonnade
- Organometallic Synthesis
and Catalysis Group, Chemical Engineering
Division, and ‡Centre for Material Characterization, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411 008, Maharashtra, India
| | - Benudhar Punji
- Organometallic Synthesis
and Catalysis Group, Chemical Engineering
Division, and ‡Centre for Material Characterization, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411 008, Maharashtra, India
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28
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Li H, Meng W, Adhikary A, Li S, Ma N, Zhao Q, Yang Q, Eberhardt NA, Leahy KM, Krause JA, Zhang J, Chen X, Guan H. Metathesis reactivity of bis(phosphinite) pincer ligated nickel chloride, isothiocyanate and azide complexes. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2015.12.038] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Murugesan S, Kirchner K. Non-precious metal complexes with an anionic PCP pincer architecture. Dalton Trans 2016; 45:416-39. [PMID: 26608262 DOI: 10.1039/c5dt03778f] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This perspective article provides an overview of the advancements in the field of non-precious metal complexes featuring anionic PCP pincer ligands with the inclusion of aliphatic systems. It covers research from the beginning in 1976 until late 2015 and provides a summary of key developments in this area, which is, to date, limited to the metals nickel, cobalt, iron, and molybdenum. While the research in nickel PCP complexes is already quite extensive, the chemistry of cobalt, iron, and molybdenum PCP complexes is comparatively sparse. With other non-precious metals such as copper, manganese, chromium or vanadium no PCP complexes are known as yet. In the case of nickel PCP complexes already many catalytic applications such as Suzuki-Miyaura coupling, C-S cross coupling, Kharasch and Michael additions, hydrosilylation of aldehydes and ketones, cyanomethylation of aldehydes, and hydroamination of nitriles were reported. While iron PCP complexes were found to be active catalysts for the hydrosilylation of aldehydes and ketones as well as the dehydrogenation of ammonia-borane, cobalt PCP complexes were not applied to any catalytic reactions. Surprisingly, only one molybdenum PCP complex is reported, which was capable of cleaving dinitrogen to give a nitride complex. This perspective underlines that the combination of cheap and abundant metals such as nickel, cobalt, and iron with PCP pincer ligands may result in the development of novel, versatile, and efficient catalysts for atom-efficient catalytic reactions.
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Affiliation(s)
- Sathiyamoorthy Murugesan
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria.
| | - Karl Kirchner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria.
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30
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Yang XY, Tay WS, Li Y, Pullarkat SA, Leung PH. The synthesis and efficient one-pot catalytic “self-breeding” of asymmetrical NC(sp3)E-hybridised pincer complexes. Chem Commun (Camb) 2016; 52:4211-4. [DOI: 10.1039/c6cc00763e] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Asymmetric NC(sp3)E (E = S, O) pincer complexes were examined as catalysts in asymmetric hydrophosphination.
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Affiliation(s)
- Xiang-Yuan Yang
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Wee Shan Tay
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Yongxin Li
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Sumod A. Pullarkat
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Pak-Hing Leung
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
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31
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Lapointe S, Zargarian D. On the mechanism of Ni(ii)-promoted Michael-type hydroamination of acrylonitrile and its substituted derivatives. Dalton Trans 2016; 45:15800-15810. [DOI: 10.1039/c6dt02105k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Monocationic Ni(ii) complexes featuring variously substituted POCOP-type pincer ligands promote the addition of primary amines to crotonitrile, methacrylonitrile, and cinnamonitrile.
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Affiliation(s)
- S. Lapointe
- Département de chimie
- Université de Montréal
- Montréal
- Canada H3C 3J7
| | - D. Zargarian
- Département de chimie
- Université de Montréal
- Montréal
- Canada H3C 3J7
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32
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Hao J, Vabre B, Zargarian D. Reactions of Phenylhydrosilanes with Pincer–Nickel Complexes: Evidence for New Si–O and Si–C Bond Formation Pathways. J Am Chem Soc 2015; 137:15287-98. [PMID: 26562478 DOI: 10.1021/jacs.5b10066] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jingjun Hao
- Département
de Chimie, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Boris Vabre
- Département
de Chimie, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Davit Zargarian
- Département
de Chimie, Université de Montréal, Montréal, Québec H3C 3J7, Canada
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33
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Affiliation(s)
- Anubendu Adhikary
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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34
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Vabre B, Canac Y, Lepetit C, Duhayon C, Chauvin R, Zargarian D. Charge Effects in PCP Pincer Complexes of NiIIbearing Phosphinite and Imidazol(i)ophosphine Coordinating Jaws: From Synthesis to Catalysis through Bonding Analysis. Chemistry 2015; 21:17403-14. [DOI: 10.1002/chem.201502491] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Indexed: 11/11/2022]
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35
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Adhikary A, Krause JA, Guan H. Configurational Stability and Stereochemistry of P-Stereogenic Nickel POCOP-Pincer Complexes. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00402] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Anubendu Adhikary
- Department
of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Jeanette A. Krause
- Department
of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department
of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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36
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Lapointe S, Vabre B, Zargarian D. POCOP-Type Pincer Complexes of Nickel: Synthesis, Characterization, and Ligand Exchange Reactivities of New Cationic Acetonitrile Adducts. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00272] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sébastien Lapointe
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
| | - Boris Vabre
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
| | - Davit Zargarian
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
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37
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Brown RM, Borau Garcia J, Valjus J, Roberts CJ, Tuononen HM, Parvez M, Roesler R. Ammonia Activation by a Nickel NCN-Pincer Complex featuring a Non-Innocent N-Heterocyclic Carbene: Ammine and Amido Complexes in Equilibrium. Angew Chem Int Ed Engl 2015; 54:6274-7. [PMID: 25865317 DOI: 10.1002/anie.201500453] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Indexed: 01/06/2023]
Abstract
A Ni(0)-NCN pincer complex featuring a six-membered N-heterocyclic carbene (NHC) central platform and amidine pendant arms was synthesized by deprotonation of its Ni(II) precursor. It retained chloride in the square-planar coordination sphere of nickel and was expected to be highly susceptible to oxidative addition reactions. The Ni(0) complex rapidly activated ammonia at room temperature, in a ligand-assisted process where the carbene carbon atom played the unprecedented role of proton acceptor. For the first time, the coordinated (ammine) and activated (amido) species were observed together in solution, in a solvent-dependent equilibrium. A structural analysis of the Ni complexes provided insight into the highly unusual, non-innocent behavior of the NHC ligand.
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Affiliation(s)
- Rudy M Brown
- Department of Chemistry, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, T2N1N4 (Canada)
| | - Javier Borau Garcia
- Department of Chemistry, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, T2N1N4 (Canada).,Current address: Secure Energy Services Inc. Bow Valley Sq. 2 1900, 205 5th Ave SW, Calgary, Alberta, T2P2V7 (Canada)
| | - Juuso Valjus
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, P.O. Box 35, FI-40014 University of Jyväskylä (Finland)
| | - Christopher J Roberts
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, P.O. Box 35, FI-40014 University of Jyväskylä (Finland)
| | - Heikki M Tuononen
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, P.O. Box 35, FI-40014 University of Jyväskylä (Finland)
| | - Masood Parvez
- Department of Chemistry, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, T2N1N4 (Canada)
| | - Roland Roesler
- Department of Chemistry, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, T2N1N4 (Canada).
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38
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Brown RM, Borau Garcia J, Valjus J, Roberts CJ, Tuononen HM, Parvez M, Roesler R. Ammonia Activation by a Nickel NCN-Pincer Complex featuring a Non-Innocent N-Heterocyclic Carbene: Ammine and Amido Complexes in Equilibrium. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201500453] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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39
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Yang Z, Liu D, Liu Y, Sugiya M, Imamoto T, Zhang W. Synthesis and Structural Characterization of Nickel Complexes Possessing P-Stereogenic Pincer Scaffolds and Their Application in Asymmetric Aza-Michael Reactions. Organometallics 2015. [DOI: 10.1021/om501287k] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | | | | | - Masashi Sugiya
- Organic R&D Department, Nippon Chemical Industrial Co., Ltd., Kameido, Koto-ku, Tokyo 136-8515, Japan
| | - Tsuneo Imamoto
- Organic R&D Department, Nippon Chemical Industrial Co., Ltd., Kameido, Koto-ku, Tokyo 136-8515, Japan
- Department
of Chemistry, Graduate School of Science, Chiba University, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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40
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Huang L, Arndt M, Gooßen K, Heydt H, Gooßen LJ. Late Transition Metal-Catalyzed Hydroamination and Hydroamidation. Chem Rev 2015; 115:2596-697. [DOI: 10.1021/cr300389u] [Citation(s) in RCA: 739] [Impact Index Per Article: 82.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Liangbin Huang
- Department of Chemistry, TU Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663 Kaiserslautern, Germany
| | - Matthias Arndt
- Department of Chemistry, TU Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663 Kaiserslautern, Germany
| | - Käthe Gooßen
- Department of Chemistry, TU Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663 Kaiserslautern, Germany
| | - Heinrich Heydt
- Department of Chemistry, TU Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663 Kaiserslautern, Germany
| | - Lukas J. Gooßen
- Department of Chemistry, TU Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663 Kaiserslautern, Germany
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41
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Asay M, Morales-Morales D. Recent Advances on the Chemistry of POCOP–Nickel Pincer Compounds. TOP ORGANOMETAL CHEM 2015. [DOI: 10.1007/3418_2015_135] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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42
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Salah A, Corpet M, ul-Hassan Khan N, Zargarian D, Spasyuk DM. Synthesis of unsymmetrical 5,6-POCOP′-type pincer complexes of nickel(ii): impact of nickelacycle size on structures and spectroscopic properties. NEW J CHEM 2015. [DOI: 10.1039/c5nj00807g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Different structures and reactivities observed with the unsymmetrical (5,6-POCOP) and symmetrical (5,5-POCOP) pincer complexes of Ni(ii) underline the importance of the metallacycle ring size and its degree of flexibility.
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Affiliation(s)
- Abderrahmen Salah
- Département de chimie
- Université de Montréal
- Montréal (Québec)
- Canada H3C 3J7
| | - Martin Corpet
- Département de chimie
- Université de Montréal
- Montréal (Québec)
- Canada H3C 3J7
| | | | - Davit Zargarian
- Département de chimie
- Université de Montréal
- Montréal (Québec)
- Canada H3C 3J7
| | - Denis M. Spasyuk
- Département de chimie
- Université de Montréal
- Montréal (Québec)
- Canada H3C 3J7
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43
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Wilson GLO, Abraha M, Krause JA, Guan H. Reactions of phenylacetylene with nickel POCOP-pincer hydride complexes resulting in different outcomes from their palladium analogues. Dalton Trans 2015; 44:12128-36. [DOI: 10.1039/c5dt00161g] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nickel POCOP-pincer hydride complexes react with phenylacetylene to afford alkenyl complexes whereas the palladium analogues give alkynyl complexes.
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Affiliation(s)
| | - Medhanei Abraha
- Department of Chemistry
- University of Cincinnati
- Cincinnati
- USA
| | | | - Hairong Guan
- Department of Chemistry
- University of Cincinnati
- Cincinnati
- USA
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44
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Garduño JA, Arévalo A, García JJ. Bond and small-molecule activation with low-valent nickel complexes. Dalton Trans 2015; 44:13419-38. [DOI: 10.1039/c5dt01516b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The use of nickel compounds in low oxidation states allowed a variety of useful transformations of interest for academia, industry and in the solution of environmental issues.
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Affiliation(s)
- Jorge A. Garduño
- Facultad de Química
- Universidad Nacional Autónoma de México
- México
- Mexico
| | - Alma Arévalo
- Facultad de Química
- Universidad Nacional Autónoma de México
- México
- Mexico
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45
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Peterson SM, Helm ML, Appel AM. Nickel complexes of a binucleating ligand derived from an SCS pincer. Dalton Trans 2015; 44:747-52. [DOI: 10.1039/c4dt02718c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A new heterobimetallic complex contains NiII in an SCS pincer and lithium in an ether loop, bridged by bromide.
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46
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Cloutier JP, Vabre B, Moungang-Soumé B, Zargarian D. Synthesis and Reactivities of New NCN-Type Pincer Complexes of Nickel. Organometallics 2014. [DOI: 10.1021/om5010176] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Boris Vabre
- Département de chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
| | | | - Davit Zargarian
- Département de chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
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47
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Baroudi A, El-Hellani A, Bengali AA, Goldman AS, Hasanayn F. Calculation of Ionization Energy, Electron Affinity, and Hydride Affinity Trends in Pincer-Ligated d8-Ir(tBu4PXCXP) Complexes: Implications for the Thermodynamics of Oxidative H2 Addition. Inorg Chem 2014; 53:12348-59. [DOI: 10.1021/ic5015829] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Abdulkader Baroudi
- Department
of Chemistry, The American University of Beirut, Beirut, Lebanon
| | - Ahmad El-Hellani
- Department
of Chemistry, The American University of Beirut, Beirut, Lebanon
| | | | - Alan S. Goldman
- Department
of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903, United States
| | - Faraj Hasanayn
- Department
of Chemistry, The American University of Beirut, Beirut, Lebanon
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48
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Hao J, Vabre B, Zargarian D. POCOP-Ligated Nickel Siloxide Complexes: Syntheses, Characterization, and Reactivities. Organometallics 2014. [DOI: 10.1021/om500916d] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Jingjun Hao
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
| | - Boris Vabre
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
| | - Davit Zargarian
- Département de Chimie, Université de Montréal, Montréal, Québec, Canada H3C 3J7
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49
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Falcón‐León MP, Tapia‐Benavides AR, Tlahuext H, Galán‐Vidal C, Suarez‐Castillo OR, Tlahuextl M. The Effect of Zn
II
Coordination on the Addition of 2‐(Aminomethyl)benzimidazole to Acrylonitrile. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Martha P. Falcón‐León
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Carr. Pachuca‐Tulancingo km 4.5, Hidalgo, México CP 42184, http://www.uaeh.edu.mx
| | - Antonio R. Tapia‐Benavides
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Carr. Pachuca‐Tulancingo km 4.5, Hidalgo, México CP 42184, http://www.uaeh.edu.mx
| | - Hugo Tlahuext
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Morelos, Mexico CP 62209
| | - Carlos Galán‐Vidal
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Carr. Pachuca‐Tulancingo km 4.5, Hidalgo, México CP 42184, http://www.uaeh.edu.mx
| | - Oscar R. Suarez‐Castillo
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Carr. Pachuca‐Tulancingo km 4.5, Hidalgo, México CP 42184, http://www.uaeh.edu.mx
| | - Margarita Tlahuextl
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Carr. Pachuca‐Tulancingo km 4.5, Hidalgo, México CP 42184, http://www.uaeh.edu.mx
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Mougang-Soumé B, Belanger-Gariépy F, Zargarian D. Synthesis, Characterization, and Oxidation of New POCNimine-Type Pincer Complexes of Nickel. Organometallics 2014. [DOI: 10.1021/om500529e] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
| | | | - Davit Zargarian
- Department of Chemistry, Université de Montréal, Montreal, Quebec, Canada
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