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Pivarcsik T, Kiss MA, Rapuš U, Kljun J, Spengler G, Frank É, Turel I, Enyedy ÉA. Organometallic Ru(II), Rh(III) and Re(I) complexes of sterane-based bidentate ligands: synthesis, solution speciation, interaction with biomolecules and anticancer activity. Dalton Trans 2024; 53:4984-5000. [PMID: 38406993 DOI: 10.1039/d3dt04138g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
In this study, we present the synthesis, characterization and in vitro cytotoxicity of six organometallic [Ru(II)(η6-p-cymene)(N,N)Cl]Cl, [Rh(III)(η5-C5Me5)(N,N)Cl]Cl and [Re(I)(CO)3(N,N)Cl] complexes, in which the (N,N) ligands are sterane-based 2,2'-bipyridine derivatives (4-Me-bpy-St-OH, 4-Ph-bpy-St-OH). The solution chemical behavior of the ligands and the complexes was explored by UV-visible spectrophotometry and 1H NMR spectroscopy. The ligands and their Re(I) complexes are neutral at pH = 7.40; this contributes to their highly lipophilic character (log D7.40 > +3). The Ru(II) and Rh(III) half-sandwich complexes are much more hydrophilic, and this property is greatly affected by the actual chloride ion content of the medium. The half-sandwich Ru and Rh complexes are highly stable in 30% (v/v) DMSO/water (<5% dissociation at pH = 7.40); this is further increased in water. The Rh(III)(η5-C5Me5) complexes were characterized by higher water/chloride exchange and pKa constants compared to their Ru(II)(η6-p-cymene) counterparts. The Re(I)(CO)3 complexes are also stable in solution over a wide pH range (2-12) without the release of the bidentate ligand; only the chlorido co-ligand can be replaced with OH- at higher pH values. A comprehensive discussion of the binding affinity of the half-sandwich Ru(II) and Rh(III) complexes toward human serum albumin and calf-thymus DNA is also provided. The Ru(II)(η6-p-cymene) complexes interact with human serum albumin via intermolecular forces, while for the Rh(III)(η5-C5Me5) complexes the coordinative binding mode is suggested as well. They are also able to interact with calf-thymus DNA, most likely via the coordination of the guanine nitrogen. The Ru(II)(η6-p-cymene) complexes were found to be the most promising among the tested compounds as they exhibited moderate-to-strong cytotoxic activity (IC50 = 3-11 μM) in LNCaP as well as in PC3 prostate cells in an androgen receptor-independent manner. They were also significantly cytotoxic in breast and colon adenocarcinoma cancer cell lines and showed good selectivity for cancer cells.
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Affiliation(s)
- Tamás Pivarcsik
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary.
- Department of Molecular and Analytical Chemistry, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary
| | - Márton A Kiss
- Department of Molecular and Analytical Chemistry, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary
| | - Uroš Rapuš
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Jakob Kljun
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary.
- Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
| | - Éva Frank
- Department of Molecular and Analytical Chemistry, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary
| | - Iztok Turel
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Éva A Enyedy
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary.
- Department of Molecular and Analytical Chemistry, University of Szeged, Dóm tér 7-8., H-6720 Szeged, Hungary
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2
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Pan Y, Zhou M, Wang R, Song D, Yiu SM, Xie J, Lau KC, Lau TC, Liu Y. Structure and Reactivity of a Seven-Coordinate Ruthenium Iodosylbenzene Complex. Inorg Chem 2023; 62:7772-7778. [PMID: 37146252 DOI: 10.1021/acs.inorgchem.3c00417] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Seven-coordinate (CN7) ruthenium-oxo species have attracted much attention as highly reactive intermediates in both organic and water oxidation. Apart from metal-oxo, other metal-oxidant adducts, such as metal-iodosylarenes, have also recently emerged as active oxidants. We reported herein the first example of a CN7 Ru-iodosylbenzene complex, [RuIV(bdpm)(pic)2(O)I(Cl)Ph]+ (H2bdpm = [2,2'-bipyridine]-6,6'-diylbis(diphenylmethanol); pic = 4-picoline). The X-ray crystal structure of this complex shows that it adopts a distorted pentagonal bipyramidal geometry with Ru-O(I) and O-I distances of 2.0451(39) and 1.9946(40) Å, respectively. This complex is highly reactive, and it readily undergoes O-atom transfer (OAT) and C-H bond activation reactions with various organic substrates. This work should provide insights for the development of new highly reactive oxidizing agents based on CN7 geometry.
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Affiliation(s)
- Yunling Pan
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Miaomiao Zhou
- Department of Chemistry, City University of Hong Kong, Kowloon Tong 999077, Hong Kong, P. R. China
| | - Rui Wang
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Dan Song
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Shek-Man Yiu
- Department of Chemistry, City University of Hong Kong, Kowloon Tong 999077, Hong Kong, P. R. China
| | - Jianhui Xie
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Kai-Chung Lau
- Department of Chemistry, City University of Hong Kong, Kowloon Tong 999077, Hong Kong, P. R. China
| | - Tai-Chu Lau
- Department of Chemistry, City University of Hong Kong, Kowloon Tong 999077, Hong Kong, P. R. China
- Research Center for Eco-environmental Engineering, Dongguan University of Technology, Dongguan 523808, P. R. China
| | - Yingying Liu
- Institute of Intelligent Machines, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, P. R. China
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3
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Hou X, Kaplaneris N, Yuan B, Frey J, Ohyama T, Messinis AM, Ackermann L. Ruthenaelectro-Catalyzed C–H Acyloxylation for Late-Stage Tyrosine and Oligopeptide Diversification. Chem Sci 2022; 13:3461-3467. [PMID: 35432858 PMCID: PMC8943857 DOI: 10.1039/d1sc07267f] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/09/2022] [Indexed: 11/25/2022] Open
Abstract
Ruthenaelectro(ii/iv)-catalyzed intermolecular C–H acyloxylations of phenols have been developed by guidance of experimental, CV and computational insights. The use of electricity bypassed the need for stoichiometric chemical oxidants. The sustainable electrocatalysis strategy was characterized by ample scope, and its unique robustness enabled the late-stage C–H diversification of tyrosine-derived peptides. Ruthenaelectro(ii/iv)-catalyzed intermolecular C–H acyloxylations of oligopeptides have been developed by the guidance of key experimental, CV and computational insights.![]()
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Affiliation(s)
- Xiaoyan Hou
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Nikolaos Kaplaneris
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Binbin Yuan
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Johanna Frey
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Tsuyoshi Ohyama
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Antonis M Messinis
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
- German Center for Cardiovascular Research (DZHK) Potsdamer Straße 58 10785 Berlin Germany
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4
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Guo M, Lee YM, Fukuzumi S, Nam W. Biomimetic metal-oxidant adducts as active oxidants in oxidation reactions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213807] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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5
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Rhodium(III)-catalyzed chelation-assisted C-H imidation of arenes via umpolung of the imidating reagent. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63587-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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6
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Sun D, Chen X, Gao L, Zhao Y, Wang Y. Theoretical Study on the Structural-Function Relationship of Manganese(III)-Iodosylarene Adducts. Front Chem 2020; 8:744. [PMID: 32974286 PMCID: PMC7469263 DOI: 10.3389/fchem.2020.00744] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 07/17/2020] [Indexed: 11/18/2022] Open
Abstract
Metal-iodosylarene complexes have been recently viewed as a second oxidant alongside of the well-known high-valent metal-oxo species. Extensive efforts have been exerted to unveil the structure-function relationship of various metal-iodosylarene complexes. In the present manuscript, density functional theoretical calculations were employed to investigate such relationship of a specific manganese-iodosylbenzene complex [MnIII(TBDAP)(PhIO)(OH)]2+ (1). Our results fit the experimental observations and revealed new mechanistic findings. 1 acts as a stepwise 1e+1e oxidant in sulfoxidation reactions. Surprisingly, C-H bond activation of 9,10-dihydroanthracene (DHA) by 1 proceeds via a novel ionic hydride transfer/proton transfer (HT/PT) mechanism. As a comparison to 1, the electrophilicity of an iodosylbenzene monomer PhIO was investigated. PhIO performs concerted 2e-oxidations both in sulfoxidation and C-H activation. Hydroxylation of DHA by PhIO was found to proceed via a novel ionic and concerted proton-transfer/hydroxyl-rebound mechanism involving 2e-oxidation to form a transient carbonium species.
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Affiliation(s)
- Dongru Sun
- School of Material Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
| | - Xiaolu Chen
- School of Material Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
| | - Lanping Gao
- School of Material Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
| | - Yufen Zhao
- School of Material Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
| | - Yong Wang
- School of Material Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo, China
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7
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Cardenal AD, Maity A, Gao WY, Ashirov R, Hyun SM, Powers DC. Iodosylbenzene Coordination Chemistry Relevant to Metal-Organic Framework Catalysis. Inorg Chem 2019; 58:10543-10553. [PMID: 31241320 DOI: 10.1021/acs.inorgchem.9b01191] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Hypervalent iodine compounds formally feature expanded valence shells at iodine. These reagents are broadly used in synthetic chemistry due to the ability to participate in well-defined oxidation-reduction processes and because the ligand-exchange chemistry intrinsic to the hypervalent center allows hypervalent iodine compounds to be applied to a broad array of oxidative substrate functionalization reactions. We recently developed methods to generate these compounds from O2 that are predicated on diverting reactive intermediates of aldehyde autoxidation toward the oxidation of aryl iodides. Coupling the aerobic oxidation of aryl iodides with catalysts that effect C-H bond oxidation would provide a strategy to achieve aerobic C-H oxidation chemistry. In this Forum Article, we discuss the aspects of hypervalent iodine chemistry and bonding that render this class of reagents attractive lynchpins for aerobic oxidation chemistry. We then discuss the oxidation processes relevant to the aerobic preparation of 2-(tert-butylsulfonyl)iodosylbenzene, which is a popular hypervalent iodine reagent for use with porous metal-organic framework (MOF)-based catalysts because it displays significantly enhanced solubility as compared with unsubstituted iodosylbenzene. We demonstrate that popular synthetic methods to this reagent often provide material that displays unpredictable disproportionation behavior due to the presence of trace impurities. We provide a revised synthetic route that avoids impurities common in the reported methods and provides access to material that displays predictable stability. Finally, we describe the coordination chemistry of hypervalent iodine compounds with metal clusters relevant to MOF chemistry and discuss the potential implications of this coordination chemistry to catalysis in MOF scaffolds.
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Affiliation(s)
- Ashley D Cardenal
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
| | - Asim Maity
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
| | - Wen-Yang Gao
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
| | - Rahym Ashirov
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
| | - Sung-Min Hyun
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
| | - David C Powers
- Department of Chemistry , Texas A&M University , College Station , Texas 77843 , United States
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8
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Revisiting O–O Bond Formation through Outer‐Sphere Water Molecules versus Bimolecular Mechanisms in Water‐Oxidation Catalysis (WOC) by Cp*Ir Based Complexes. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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9
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Guo M, Lee YM, Seo MS, Kwon YJ, Li XX, Ohta T, Kim WS, Sarangi R, Fukuzumi S, Nam W. Mn(III)-Iodosylarene Porphyrins as an Active Oxidant in Oxidation Reactions: Synthesis, Characterization, and Reactivity Studies. Inorg Chem 2018; 57:10232-10240. [DOI: 10.1021/acs.inorgchem.8b01426] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Mian Guo
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Mi Sook Seo
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Yong-Ju Kwon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Xiao-Xi Li
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Takehiro Ohta
- Picobiology Institute, Graduate School of Life Science, University of Hyogo, RSC-UH LP Center, Hyogo 679-5148, Japan
| | - Won-Suk Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Ritimukta Sarangi
- Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, People’s Republic of China
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10
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Hill EA, Kelty ML, Filatov AS, Anderson JS. Isolable iodosylarene and iodoxyarene adducts of Co and their O-atom transfer and C-H activation reactivity. Chem Sci 2018; 9:4493-4499. [PMID: 29896391 PMCID: PMC5958341 DOI: 10.1039/c8sc01167b] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 04/19/2018] [Indexed: 01/04/2023] Open
Abstract
We report an unusual series of discrete iodosyl- and iodoxyarene adducts of Co(ii) including detailed studies of their O-transfer reactivity and mechanism.
We report an unusual series of discrete iodosyl- and iodoxyarene adducts of Co. The formation of these adducts was confirmed by a suite of techniques including single crystal X-ray diffraction. The reactivity of these adducts with O-atom acceptors and an H-atom donor has been investigated with particular focus on elucidating mechanistic details. Detailed kinetic analysis allows for discrimination between proposed oxo and adduct mediated mechanisms. In particular, these reactions have been interrogated by competition experiments with isotopically labelled mixtures which shows that all of the studied adducts display a large KIE. These studies suggest different mechanisms may be relevant depending on subtle substituent changes in the adduct complexes. Reactivity data are consistent with the involvement of a transient oxo complex in one case, while the two other systems appear to react with substrates directly as iodosyl- or iodoxyarene adducts. These results support that reactivity typically ascribed to metal-oxo complexes, such as O-atom transfer and C–H activation, can also be mediated by discrete transition metal iodosyl- or iodoxyarene adducts that are frequent intermediates in the generation of oxo complexes. The influence of additional Lewis acids such as Sc3+ on the reactivity of these systems has also been investigated.
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Affiliation(s)
- Ethan A Hill
- Department of Chemistry , The University of Chicago , 5735 S. Ellis Ave , Chicago , IL 60637 , USA .
| | - Margaret L Kelty
- Department of Chemistry , The University of Chicago , 5735 S. Ellis Ave , Chicago , IL 60637 , USA .
| | - Alexander S Filatov
- Department of Chemistry , The University of Chicago , 5735 S. Ellis Ave , Chicago , IL 60637 , USA .
| | - John S Anderson
- Department of Chemistry , The University of Chicago , 5735 S. Ellis Ave , Chicago , IL 60637 , USA .
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11
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Vásquez-Céspedes S, Wang X, Glorius F. Plausible Rh(V) Intermediates in Catalytic C–H Activation Reactions. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03048] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Suhelen Vásquez-Céspedes
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Xiaoming Wang
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
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12
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Yang J. Synthesis of (NHC)Pd(salicylaldimine)Cl complexes through template-directed ortho-aromatic metaloxylation of NHC-palladacycles derived from arylimines. Dalton Trans 2017; 46:5003-5007. [PMID: 28350029 DOI: 10.1039/c7dt00007c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reactions of imidazoliums with palladacycles afforded NHC-palladacycle complexes. The reactivity of the NHC-palladacycles was explored and the results demonstrated that they could be template-directed ortho-aromatic metaloxylated in the presence of tert-butyl hydroperoxide (TBHP), affording (NHC)Pd(salicylaldimine)Cl complexes. Furthermore, the NHC-palladacycles showed efficient catalytic activities toward the ortho-aromatic hydroxylation of arylimines.
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Affiliation(s)
- Jin Yang
- Department of Chemistry, Huaibei Normal University, Huaibei, 235000, P R China.
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13
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de Ruiter G, Carsch KM, Gul S, Chatterjee R, Thompson NB, Takase MK, Yano J, Agapie T. Accelerated Oxygen Atom Transfer and C-H Bond Oxygenation by Remote Redox Changes in Fe 3 Mn-Iodosobenzene Adducts. Angew Chem Int Ed Engl 2017; 56:4772-4776. [PMID: 28338266 DOI: 10.1002/anie.201701319] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Indexed: 01/25/2023]
Abstract
We report the synthesis, characterization, and reactivity of [LFe3 (PhPz)3 OMn(s PhIO)][OTf]x (3: x=2; 4: x=3), where 4 is one of very few examples of iodosobenzene-metal adducts characterized by X-ray crystallography. Access to these rare heterometallic clusters enabled differentiation of the metal centers involved in oxygen atom transfer (Mn) or redox modulation (Fe). Specifically, 57 Fe Mössbauer and X-ray absorption spectroscopy provided unique insights into how changes in oxidation state (FeIII2 FeII MnII vs. FeIII3 MnII ) influence oxygen atom transfer in tetranuclear Fe3 Mn clusters. In particular, a one-electron redox change at a distal metal site leads to a change in oxygen atom transfer reactivity by ca. two orders of magnitude.
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Affiliation(s)
- Graham de Ruiter
- Department of Chemistry and Chemical Engineering, California Institute of Technology; MC 127-72, Pasadena, CA, 91125, USA
| | - Kurtis M Carsch
- Department of Chemistry and Chemical Engineering, California Institute of Technology; MC 127-72, Pasadena, CA, 91125, USA
| | - Sheraz Gul
- Molecular Biophysics & Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Ruchira Chatterjee
- Molecular Biophysics & Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Niklas B Thompson
- Department of Chemistry and Chemical Engineering, California Institute of Technology; MC 127-72, Pasadena, CA, 91125, USA
| | - Michael K Takase
- Department of Chemistry and Chemical Engineering, California Institute of Technology; MC 127-72, Pasadena, CA, 91125, USA
| | - Junko Yano
- Molecular Biophysics & Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Theodor Agapie
- Department of Chemistry and Chemical Engineering, California Institute of Technology; MC 127-72, Pasadena, CA, 91125, USA
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14
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de Ruiter G, Carsch KM, Gul S, Chatterjee R, Thompson NB, Takase MK, Yano J, Agapie T. Accelerated Oxygen Atom Transfer and C−H Bond Oxygenation by Remote Redox Changes in Fe
3
Mn‐Iodosobenzene Adducts. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701319] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Graham de Ruiter
- Department of Chemistry and Chemical Engineering California Institute of Technology; MC 127-72 Pasadena CA 91125 USA
| | - Kurtis M. Carsch
- Department of Chemistry and Chemical Engineering California Institute of Technology; MC 127-72 Pasadena CA 91125 USA
| | - Sheraz Gul
- Molecular Biophysics & Integrated Bioimaging Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Ruchira Chatterjee
- Molecular Biophysics & Integrated Bioimaging Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Niklas B. Thompson
- Department of Chemistry and Chemical Engineering California Institute of Technology; MC 127-72 Pasadena CA 91125 USA
| | - Michael K. Takase
- Department of Chemistry and Chemical Engineering California Institute of Technology; MC 127-72 Pasadena CA 91125 USA
| | - Junko Yano
- Molecular Biophysics & Integrated Bioimaging Division Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Theodor Agapie
- Department of Chemistry and Chemical Engineering California Institute of Technology; MC 127-72 Pasadena CA 91125 USA
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15
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Wang L, Xie YB, Huang NY, Zhang NN, Li DJ, Hu YL, Liu MG, Li DS. Disulfide-Directed C-H Hydroxylation for Synthesis of Sulfonyl Diphenyl Sulfides and 2-(Phenylthio)phenols with Oxygen as Oxidant. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201600861] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Long Wang
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Yi-Bi Xie
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Nian-Yu Huang
- College of Biology and Pharmacy; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Nuo-Nuo Zhang
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - De-Jiang Li
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Yu-Lin Hu
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Ming-Guo Liu
- College of Biology and Pharmacy; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
| | - Dong-Sheng Li
- College of Materials and Chemical Engineering; Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University; Yichang, Hubei 443002 People's Republic of China
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16
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Lyu H, Quan Y, Xie Z. Rhodium-Catalyzed Regioselective Hydroxylation of Cage B−H Bonds ofo-Carboranes with O2or Air. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605880] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hairong Lyu
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
| | - Yangjian Quan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
| | - Zuowei Xie
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
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17
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Lyu H, Quan Y, Xie Z. Rhodium-Catalyzed Regioselective Hydroxylation of Cage B−H Bonds ofo-Carboranes with O2or Air. Angew Chem Int Ed Engl 2016; 55:11840-4. [DOI: 10.1002/anie.201605880] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 08/08/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Hairong Lyu
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
| | - Yangjian Quan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
| | - Zuowei Xie
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
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18
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Behnia A, Boyle PD, Blacquiere JM, Puddephatt RJ. Selective Oxygen Atom Insertion into an Aryl–Palladium Bond. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00387] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ava Behnia
- Department of Chemistry, University of Western Ontario, London, Canada N6A
5B7
| | - Paul D. Boyle
- Department of Chemistry, University of Western Ontario, London, Canada N6A
5B7
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19
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Lin L, Zhang YY, Lin YJ, Jin GX. Half-sandwich rhodium and iridium metallamacrocycles constructed via C-H activation. Dalton Trans 2016; 45:7014-21. [PMID: 26988612 DOI: 10.1039/c5dt04777c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Half-sandwich rhodium and iridium complexes with carboxylic acid ligands were combined with pyrazine, 4,4'-bipyridine (bpy) or trans-1,2-bis(4-pyridyl)-ethylene (bpe) to give a series of tetranuclear macrocycles. The metallamacrocycles [(Cp*Rh)4()2(pyrazine)2][OTf]2 (), [(Cp*Rh)4()2(bpy)2][OTf]2 (), [(Cp*Rh)4()2(bpe)2][OTf]4 () and [(Cp*Ir)4()2 (pyrazine)2] () ( = 3-(2-pyridyl)acrylic acid, = 1,4-di(4-carboxyphenyl)benzene) were characterized by elemental analysis, NMR, IR and single-crystal X-ray analyses. Due to the different structures of the carboxylate ligands, the complexes , and were synthesized through double-site C-H activation, and complexes were obtained by one-site C-H activation.
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Affiliation(s)
- Lin Lin
- State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China.
| | - Ying-Ying Zhang
- State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China.
| | - Yue-Jian Lin
- State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China.
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China.
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20
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Au-Yeung KC, So YM, Wang GC, Sung HHY, Williams ID, Leung WH. Iodosylbenzene and iodylbenzene adducts of cerium(IV) complexes bearing chelating oxygen ligands. Dalton Trans 2016; 45:5434-8. [PMID: 26956671 DOI: 10.1039/c6dt00267f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Reactions of [Ce(IV)(LOEt)2Cl2] (LOEt(-) = [Co(η(5)-C5H5){P(O)(OEt)2}3](-)) and [Ce(μ-O){N(Pr(i)2PO)2}4Cl2] with PhIO afford the λ3-iodane complexes [Ce(IV)(LOEt)2{OI(Cl)Ph}2] and [Ce{N(Pr(i)2PO)2}3{OI(Cl)Ph}], respectively, whereas that between [Ce(IV)(LOEt)2Cl2] and PhIO2 or excess PhIO yields the λ5-iodane adduct [Ce(IV)(LOEt)2{OI(O)ClPh}2]. The crystal structures of the Ce(IV)λ3- and λ5-iodane complexes have been determined and their oxo transfer reactivities have been investigated.
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Affiliation(s)
- Ka-Chun Au-Yeung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People's Republic of China.
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21
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Abstract
The preparation, structure, and chemistry of hypervalent iodine compounds are reviewed with emphasis on their synthetic application. Compounds of iodine possess reactivity similar to that of transition metals, but have the advantage of environmental sustainability and efficient utilization of natural resources. These compounds are widely used in organic synthesis as selective oxidants and environmentally friendly reagents. Synthetic uses of hypervalent iodine reagents in halogenation reactions, various oxidations, rearrangements, aminations, C-C bond-forming reactions, and transition metal-catalyzed reactions are summarized and discussed. Recent discovery of hypervalent catalytic systems and recyclable reagents, and the development of new enantioselective reactions using chiral hypervalent iodine compounds represent a particularly important achievement in the field of hypervalent iodine chemistry. One of the goals of this Review is to attract the attention of the scientific community as to the benefits of using hypervalent iodine compounds as an environmentally sustainable alternative to heavy metals.
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Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
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22
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Yoshimura A, Yusubov MS, Zhdankin VV. Synthetic applications of pseudocyclic hypervalent iodine compounds. Org Biomol Chem 2016; 14:4771-81. [DOI: 10.1039/c6ob00773b] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In this review the preparation and structural features of pseudocyclic iodine(iii) and iodine(v) derivatives are discussed, and recent developments in their synthetic applications are summarized.
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Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry
- University of Minnesota Duluth
- Duluth
- USA
| | | | - Viktor V. Zhdankin
- Department of Chemistry and Biochemistry
- University of Minnesota Duluth
- Duluth
- USA
- The Tomsk Polytechnic University
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23
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Turlington CR, White PS, Brookhart M, Templeton JL. Sequential Nitrene Transfers to an Organometallic Half-Sandwich Iridium Complex. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Christopher R. Turlington
- W. R. Kenan Laboratory, Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Peter S. White
- W. R. Kenan Laboratory, Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Maurice Brookhart
- W. R. Kenan Laboratory, Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Joseph L. Templeton
- W. R. Kenan Laboratory, Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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24
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Turlington CR, White PS, Brookhart M, Templeton JL. Half-sandwich Rh(Cp*) and Ir(Cp*) complexes with oxygen atom transfer reagents as ligands. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.02.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Affiliation(s)
- James D. Blakemore
- Department of Chemistry and
Energy Sciences Institute, Yale University, P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Robert H. Crabtree
- Department of Chemistry and
Energy Sciences Institute, Yale University, P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Gary W. Brudvig
- Department of Chemistry and
Energy Sciences Institute, Yale University, P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
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26
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Protasiewicz JD. Organoiodine(III) Reagents as Active Participants and Ligands in Transition Metal-Catalyzed Reactions: Iodosylarenes and (Imino)iodoarenes. HYPERVALENT IODINE CHEMISTRY 2015; 373:263-88. [DOI: 10.1007/128_2015_664] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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27
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Raghuvanshi K, Rauch K, Ackermann L. Ruthenium(II)-Catalyzed CH Acyloxylation of Phenols with Removable Auxiliary. Chemistry 2014; 21:1790-4. [DOI: 10.1002/chem.201405071] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Indexed: 01/20/2023]
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