1
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Murase M, Maegawa Y, Ohashi M, Goto Y, Sakamoto N, Nonaka T, Uyama T, Arai T. Reversible CO 2 Fixation and Release by a Trinuclear Zn(II) Cryptate Complex and Operando Analysis of the Complex Structure. CHEMSUSCHEM 2023; 16:e202300679. [PMID: 37474453 DOI: 10.1002/cssc.202300679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/20/2023] [Accepted: 07/20/2023] [Indexed: 07/22/2023]
Abstract
Metal complexes inspired by carbonic anhydrase (CA), which is a metalloenzyme containing Zn(II), have been investigated as alternatives for CO2 fixation systems operating under ambient temperature and pressure conditions. In this study, we designed a trinuclear Zn(II) cryptate complex (Zn3 L) and demonstrated rapid CO2 fixation with carbonation of CO2 using Zn3 L. The CO2 fixation performance of Zn3 L surpassed that of a standard CO2 absorbent, KOH(aq) solution, under conditions of the same solute concentration. In addition, the reaction achieved operation without support addition of base, which has been often required in systems of CA-inspired complexes. Fixed CO2 was released by protonating polyazacryptate ligand (L) and breaking the complex structure, and deprotonation of L induced the reconstruction of Zn3 L, allowing it to refix CO2 . This reaction mechanism was proposed based on the analysis of operando extended X-ray absorption fine structure spectroscopy. Zn3 L also demonstrated the ability to capture dilute CO2 from air, and the volume of CO2 captured by Zn3 L was approximately 2.6 times that captured by the KOH(aq) solution. Our Zn3 L exhibited three valuable properties: rapid CO2 fixation without a base, reversibility, and ability to capture dilute CO2 ; thus Zn3 L is a promising candidate as CO2 fixatives.
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Affiliation(s)
- Masakazu Murase
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Yoshifumi Maegawa
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Masataka Ohashi
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Yasutomo Goto
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Naonari Sakamoto
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Takamasa Nonaka
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Takeshi Uyama
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
| | - Takeo Arai
- Toyota Central R&D Labs., Inc., 41-1 Yokomichi, Nagakute, Aichi, 480-1192, Japan
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2
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Rashamuse TJ, Coyanis EM, Erasmus R, Magwa NP. Novel Fluorescent Tetrahedral Zinc (II) Complexes Derived from 4-Phenyl-1-octyl-1 H-imidazole Fused with Aryl-9 H-Carbazole and Triarylamine Donor Units: Synthesis, Crystal Structures, and Photophysical Properties. Int J Mol Sci 2023; 24:12260. [PMID: 37569639 PMCID: PMC10418610 DOI: 10.3390/ijms241512260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
We present here the design, synthesis, and photophysical properties of two novel fluorescent zinc (II) complexes, ZnCl2(ImL1)2 and ZnCl2(ImL2)2, containing 4-(1-octyl-1H-imidazol-4-yl)-N,N-diphenyl-[1,1-biphenyl]-4-yl)-4-amine ImL1 and 9-(4-(1-octyl-1H-imidazol-4-yl)-[1,1-biphenyl]-4-yl)-9H-carbazole ImL2 ligands. The newly synthesized free ligands and their zinc (II) complexes were characterized using several spectroscopic techniques; their structures were identified by single-crystal X-ray diffraction; and their photophysical properties have been studied in the context of their chemical structure. The ZnCl2(ImL1)2 and ZnCl2(ImL2)2 complexes showed good thermal stability at 341 °C and 365 °C, respectively. Photophysical properties, including UV-Vis absorption spectra in ethanol solution and photoluminescence (PL) in both solid state and ethanol solution, were determined. UV-Vis adsorption data indicated that both free ligands had similar UV-Vis absorption properties, while their Zn (II) complexes had distinctive absorption characteristics. The fluorescence spectra show that both ligands and their corresponding Zn (II) complexes emit violet to cyan luminescence in the solid state at room temperature, while in ethanol solution at the same temperature, they exhibit efficient photoluminescence properties in the UV-A emission spectral region. Because of these photophysical properties, the synthesized ligands and their cognate Zn (II) complexes can be used as scaffolds for the potential development of optoelectronic materials.
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Affiliation(s)
- Thompho Jason Rashamuse
- Nanotechnology Innovation Centre, Health Platform, Advanced Materials Division, Mintek, Private Bag X3015, Randburg 2125, South Africa;
| | - Elena Mabel Coyanis
- Nanotechnology Innovation Centre, Health Platform, Advanced Materials Division, Mintek, Private Bag X3015, Randburg 2125, South Africa;
| | - Rudolph Erasmus
- Materials for Energy Research Group, Material Physics Research Institute, School of Physics, University of the Witwatersrand, Private Bag 3, Wits, Johannesburg 2050, South Africa;
| | - Nomampondo Penelope Magwa
- Department of Chemistry, University of South Africa, Private Bag X6, Florida, Roodepoort 1710, South Africa;
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3
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Diao D, Simaan AJ, Martinez A, Colomban C. Bioinspired complexes confined in well-defined capsules: getting closer to metalloenzyme functionalities. Chem Commun (Camb) 2023; 59:4288-4299. [PMID: 36946593 DOI: 10.1039/d2cc06990c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
Reproducing the key features offered by metalloprotein binding cavities is an attractive approach to overcome the main bottlenecks of current open artificial models (in terms of stability, efficiency and selectivity). In this context, this featured article brings together selected examples of recent developments in the field of confined bioinspired complexes with an emphasis on the emerging hemicryptophane caged ligands. In particular, we focused on (1) the strategies allowing the insulation and protection of complexes sharing similarities with metalloprotein active sites, (2) the confinement-induced improvement of catalytic efficiencies and selectivities and (3) very recent efforts that have been made toward the development of bioinspired complexes equipped with weakly binding artificial cavities.
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Affiliation(s)
- Donglin Diao
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - A Jalila Simaan
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | | | - Cédric Colomban
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
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4
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Liu Y, Liao SH, Dai WT, Bai Q, Lu S, Wang H, Li X, Zhang Z, Wang P, Lu W, Zhang Q. Controlled Construction of Heteroleptic [Pd 2 (L A ) 2 (L B )(L C )] 4+ Cages: A Facile Approach for Site-Selective endo-Functionalization of Supramolecular Cavities. Angew Chem Int Ed Engl 2023; 62:e202217215. [PMID: 36495225 DOI: 10.1002/anie.202217215] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
Construction of supramolecular structures with internal functionalities is a promising approach to build enzyme-like cavities. The endo-functionalized [Pd12 L24 ] and [Pd2 L4 ] coordination cages represent the most successful systems in this regard. However, these systems mainly contain one type of endo-moiety. We herein provide a solution for the controlled endo-functionalization of [Pd2 L4 ] cages. Site-selective introduction of the endo-functional group was achieved through the formation of heteroleptic [Pd2 (LA )2 (LB )(LC )] cages. Using two orthogonal steric control elements is the key for the selective formation of the hetero-assemblies. We demonstrated the construction of two hetero-cages with a single internal functional group as well as a hetero-cage with two distinct endohedral functionalities. The endo-functionalized hetero-cages bound sulfonate guests with fast-exchange dynamics. This strategy provides a new solution for the controlled endo-functionalization of supramolecular cavities.
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Affiliation(s)
- Yan Liu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Shou-Heng Liao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Wen-Tao Dai
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Qixia Bai
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Shuai Lu
- College of Chemistry and Environmental Engineering, Shenzhen University, 3688 Nanhai Ave., Experimental Building, P112, Shenzhen, Guangdong 518060, P. R. China
| | - Heng Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, 3688 Nanhai Ave., Experimental Building, P112, Shenzhen, Guangdong 518060, P. R. China
| | - Xiaopeng Li
- College of Chemistry and Environmental Engineering, Shenzhen University, 3688 Nanhai Ave., Experimental Building, P112, Shenzhen, Guangdong 518060, P. R. China
| | - Zhe Zhang
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Pingshan Wang
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Wei Lu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
| | - Qi Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, P. R. China
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5
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Chandra P. A Review on the Consequence of 3D-Orienation of Cu/TEMPO/Imidazole Sequence on Selective Alcohol Oxidation. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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6
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Bete SC, May LK, Woite P, Roemelt M, Otte M. A Copper Cage‐Complex as Mimic of the pMMO Cu
C
Site. Angew Chem Int Ed Engl 2022; 61:e202206120. [PMID: 35731651 PMCID: PMC9544873 DOI: 10.1002/anie.202206120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Indexed: 12/05/2022]
Abstract
The active site of particulate methane monooxygenase (pMMO) and its mechanism of action are not known. Recently, the CuC site emerged as a potential active site, but to date it lacks any study on biomimetic resemblance of the coordination environment provided by the enzyme. Here, the synthesis of a cage ligand providing such an environment is reported. Copper is incorporated, and coordination occurs by the two imidazole and one carboxylate group offered by the ligand. Depending on the oxidation state, it can adopt different coordination modes, as evidenced by the solid‐state structures and computational investigation. The copper(I) state readily reacts with dioxygen and thereby undergoes CH activation. Moreover, the catalytic aerobic oxidation of hydroquinones as ubiquinol mimics is shown. Clean one‐electron oxidation occurs under mild conditions and EPR analysis of the copper(II) state in the presence of water reveals striking similarities to the data obtained from pMMO.
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Affiliation(s)
- Sarah C. Bete
- Institute of Inorganic Chemistry University of Goettingen Tammannstraße 4 37077 Göttingen Germany
| | - Leander K. May
- Institute of Inorganic Chemistry University of Goettingen Tammannstraße 4 37077 Göttingen Germany
| | - Philipp Woite
- Institut für Chemie Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Michael Roemelt
- Institut für Chemie Humboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Matthias Otte
- Institute of Inorganic Chemistry University of Goettingen Tammannstraße 4 37077 Göttingen Germany
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7
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Bete SC, May LK, Woite P, Roemelt M, Otte M. A Copper Cage‐Complex as Mimic of the pMMO CuC Site. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sarah C. Bete
- University of Göttingen: Georg-August-Universitat Gottingen Institut für Anorganische Chemie GERMANY
| | - Leander K. May
- Georg-August-Universität Göttingen: Georg-August-Universitat Gottingen Institut für Anorganische Chemie GERMANY
| | - Philipp Woite
- Humboldt-Universitat zu Berlin Institut für Chemie GERMANY
| | - Michael Roemelt
- Humboldt-Universitat zu Berlin Institut für Chemie Brook-Taylor-Straße 2 12489 Berlin GERMANY
| | - Matthias Otte
- Georg-August-Universität Göttingen Institut für Anorganische Chemie, Institut für Anorganische Chemie Tammannstraße 4 37077 Göttingen GERMANY
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8
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Dournel F, Koshan M, Woite P, Roemelt M, Otte M. Synthesis of an Fe(terpy-cage) 2 dumbbell. RSC Adv 2022; 12:3402-3405. [PMID: 35425387 PMCID: PMC8979284 DOI: 10.1039/d1ra08994c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/17/2022] [Indexed: 11/29/2022] Open
Abstract
An azide masked amine is used to obtain a cage of lower symmetry that possess one terpy-group in an exo-position. This group can coordinate to iron(ii), yielding selectively an easy to purify Fe(terpy-cage)2 dumbbell. The dumbbell can also be obtained in a one pot reaction, which proceeded without isolation of the exo-functionalized cage. A masked amine building block is used to synthesize an organic cage that is exo-functionalized with one terpy group. Two exo-functionalized cages can be combined via iron-terpy coordination resulting in a cage dumbbell.![]()
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Affiliation(s)
- Frederic Dournel
- Institut für Anorganische Chemie, Universität Göttingen Tammannstraße 4 37077 Göttingen Germany
| | - Massoud Koshan
- Institut für Anorganische Chemie, Universität Göttingen Tammannstraße 4 37077 Göttingen Germany
| | - Philipp Woite
- Institut für Chemie, Humboldt-Universität zu Berlin Brook-Taylor Str. 2 12489 Berlin Germany
| | - Michael Roemelt
- Institut für Chemie, Humboldt-Universität zu Berlin Brook-Taylor Str. 2 12489 Berlin Germany
| | - Matthias Otte
- Institut für Anorganische Chemie, Universität Göttingen Tammannstraße 4 37077 Göttingen Germany
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9
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Qiu G, Diao D, Chaussy L, Chevallier-Michaud S, Simaan AJ, Nava P, Martinez A, Colomban C. A caged tris(2-pyridylmethyl)amine ligand equipped with a C triazole-H hydrogen bonding cavity. Dalton Trans 2022; 51:10702-10706. [DOI: 10.1039/d2dt00607c] [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
A capped bioinspired ligand built from a tris(2-pyridyl-methyl)amine (TPA) unit and surmounted by a triazole-based intramolecular H-bonding secondary sphere, was prepared. The resulting cage structure describes a well-defined cavity combining...
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10
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Gerz I, Jannuzzi SAV, Hylland KT, Negri C, Wragg DS, Øien‐Ødegaard S, Tilset M, Olsbye U, DeBeer S, Amedjkouh M. Structural Elucidation, Aggregation, and Dynamic Behaviour of
N,N,N,N
‐Copper(I) Schiff Base Complexes in Solid and in Solution: A Combined NMR, X‐ray Spectroscopic and Crystallographic Investigation. Eur J Inorg Chem 2021; 2021:4762-4775. [PMID: 35874966 PMCID: PMC9298233 DOI: 10.1002/ejic.202100722] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/22/2021] [Indexed: 12/30/2022]
Abstract
A series of Cu(I) complexes of bidentate or tetradentate Schiff base ligands bearing either 1‐H‐imidazole or pyridine moieties were synthesized. The complexes were studied by a combination of NMR and X‐ray spectroscopic techniques. The differences between the imidazole‐ and pyridine‐based ligands were examined by 1H, 13C and 15N NMR spectroscopy. The magnitude of the 15Nimine coordination shifts was found to be strongly affected by the nature of the heterocycle in the complexes. These trends showed good correlation with the obtained Cu−Nimine bond lengths from single‐crystal X‐ray diffraction measurements. Variable‐temperature NMR experiments, in combination with diffusion ordered spectroscopy (DOSY) revealed that one of the complexes underwent a temperature‐dependent interconversion between a monomer, a dimer and a higher aggregate. The complexes bearing tetradentate imidazole ligands were further studied using Cu K‐edge XAS and VtC XES, where DFT‐assisted assignment of spectral features suggested that these complexes may form polynuclear oligomers in solid state. Additionally, the Cu(II) analogue of one of the complexes was incorporated into a metal‐organic framework (MOF) as a way to obtain discrete, mononuclear complexes in the solid state.
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Affiliation(s)
- Isabelle Gerz
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | | | - Knut T. Hylland
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - Chiara Negri
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - David S. Wragg
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - Sigurd Øien‐Ødegaard
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - Mats Tilset
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - Unni Olsbye
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
| | - Serena DeBeer
- Department of Inorganic Spectroscopy Max Planck Institute for Chemical Energy Conversion Stiftstraße 34–36 45470 Mülheim an der Ruhr Germany
| | - Mohamed Amedjkouh
- Department of Chemistry University of Oslo P. O. Box 1033 Blindern 0315 Oslo Norway
- Centre for Materials Science and Nanotechnology University of Oslo P.O. Box 1126 Blindern 0316 Oslo Norway
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11
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Vargo NP, Harland JB, Musselman BW, Lehnert N, Ertem MZ, Robinson JR. Calcium‐Ion Binding Mediates the Reversible Interconversion of
Cis
and
Trans
Peroxido Dicopper Cores. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Natasha P. Vargo
- Department of Chemistry Brown University 324 Brook Street Providence RI 02912 USA
| | - Jill B. Harland
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Bradley W. Musselman
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics University of Michigan 930 North University Avenue Ann Arbor MI 41809-1055 USA
| | - Mehmed Z. Ertem
- Chemistry Division, Energy & Photon Sciences Brookhaven National Laboratory PO Box 5000 Upton NY 11973-5000 USA
| | - Jerome R. Robinson
- Department of Chemistry Brown University 324 Brook Street Providence RI 02912 USA
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12
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Vargo NP, Harland JB, Musselman BW, Lehnert N, Ertem MZ, Robinson JR. Calcium-Ion Binding Mediates the Reversible Interconversion of Cis and Trans Peroxido Dicopper Cores. Angew Chem Int Ed Engl 2021; 60:19836-19842. [PMID: 34101958 DOI: 10.1002/anie.202105421] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/07/2021] [Indexed: 01/27/2023]
Abstract
Coupled dinuclear copper oxygen cores (Cu2 O2 ) featured in type III copper proteins (hemocyanin, tyrosinase, catechol oxidase) are vital for O2 transport and substrate oxidation in many organisms. μ-1,2-cis peroxido dicopper cores (C P) have been proposed as key structures in the early stages of O2 binding in these proteins; their reversible isomerization to other Cu2 O2 cores are directly relevant to enzyme function. Despite the relevance of such species to type III copper proteins and the broader interest in the properties and reactivity of bimetallic C P cores in biological and synthetic systems, the properties and reactivity of C P Cu2 O2 species remain largely unexplored. Herein, we report the reversible interconversion of μ-1,2-trans peroxido (T P) and C P dicopper cores. CaII mediates this process by reversible binding at the Cu2 O2 core, highlighting the unique capability for metal-ion binding events to stabilize novel reactive fragments and control O2 activation in biomimetic systems.
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Affiliation(s)
- Natasha P Vargo
- Department of Chemistry, Brown University, 324 Brook Street, Providence, RI, 02912, USA
| | - Jill B Harland
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Bradley W Musselman
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, MI, 41809-1055, USA
| | - Mehmed Z Ertem
- Chemistry Division, Energy & Photon Sciences, Brookhaven National Laboratory, PO Box 5000, Upton, NY, 11973-5000, USA
| | - Jerome R Robinson
- Department of Chemistry, Brown University, 324 Brook Street, Providence, RI, 02912, USA
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13
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Bete SC, Otte M. Heteroleptische Koordination durch einen
endo
‐funktionalisierten Käfig. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106341] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sarah C. Bete
- Institut für Anorganische Chemie Universität Göttingen Tammannstraße 4 37077 Göttingen Deutschland
| | - Matthias Otte
- Institut für Anorganische Chemie Universität Göttingen Tammannstraße 4 37077 Göttingen Deutschland
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14
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Bete SC, Otte M. Heteroleptic Ligation by an endo-Functionalized Cage. Angew Chem Int Ed Engl 2021; 60:18582-18586. [PMID: 34124838 PMCID: PMC8456844 DOI: 10.1002/anie.202106341] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Indexed: 12/20/2022]
Abstract
A conceptual approach for the synthesis of quasi-heteroleptic complexes with properly endo-functionalized cages as ligands is presented. The cage ligand reported here is of a covalent organic nature, it has been synthesized via a dynamic combinatorial chemistry approach, making use of a masked amine. Inspired by enzymatic active sites, the described system bears one carboxylate and two imidazole moieties as independent ligating units through which it is able to coordinate to transition metals. Analysis of the iron(II) complex in solution and the solid state validates the structure and shows that no undesired but commonly observed dimerization process takes place. The solid-state structure shows a five-coordinate metal center with the carboxylate bidentately bound to iron, which makes Fe@2 an unprecedentedly detailed structural model complex for this kind of non-heme iron oxygenases. As, as confirmed by the crystal structure, sufficient space for other organic ligands is available, the biologically relevant ligand α-ketoglutarate is implemented. We observe biomimetic reaction behavior towards dioxygen that opens studies investigating Fe@2 as a functional model complex.
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Affiliation(s)
- Sarah C Bete
- Institut für Anorganische Chemie, University of Goettingen, Tammannstraße 4, 37077, Göttingen, Germany
| | - Matthias Otte
- Institut für Anorganische Chemie, University of Goettingen, Tammannstraße 4, 37077, Göttingen, Germany
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15
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Zong LP, Ruan LY, Li J, Marks RS, Wang JS, Cosnier S, Zhang XJ, Shan D. Fe-MOGs-based enzyme mimetic and its mediated electrochemiluminescence for in situ detection of H 2O 2 released from Hela cells. Biosens Bioelectron 2021; 184:113216. [PMID: 33894426 DOI: 10.1016/j.bios.2021.113216] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/16/2021] [Accepted: 03/31/2021] [Indexed: 12/20/2022]
Abstract
Enzyme mimetics have attracted wide interest due to their inherent enzyme-like activity and unique physicochemical properties, as well as promising applications in disease diagnosis, treatment and monitoring. Inspired by the attributes of nonheme iron enzymes, synthetic models were designed to mimic their capability and investigate the catalytic mechanisms. Herein, metal-organic gels (Fe-MOGs) with horseradish peroxidase (HRP) like Fe-NX structure were successfully synthesized though the coordination between iron and 1,10-phenanthroline-2,9-dicarboxylic acid (PDA) and exhibited excellent peroxidase-like activity. Its structure-activity relationship and the in-situ electrochemiluminescence (ECL) detection of H2O2 secreted by Hela cells were further investigated. The highly dispersed Fe-NX active sites inside Fe-MOGs were able to catalyze the decomposition of H2O2 into large amounts of reactive oxygen species (ROS) via a Fenton-like reaction under a low overpotential. Due to the accumulation of ROS free radicals, the luminol ECL emission was significantly amplified. A proof-of-concept biosensor was constructed with a detection limit as low as 2.2 nM and a wide linear range from 0.01 to 40 μM. As a novel metal organic gels based enzyme mimetic, Fe-MOGs show great promises in early cancer detection and pathological process monitoring.
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Affiliation(s)
- Li-Ping Zong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Ling-Yu Ruan
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Junji Li
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China.
| | - Robert S Marks
- Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Jun-Song Wang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Serge Cosnier
- University of Grenoble Alpes-CNRS, DCM UMR 5250, F-38000, Grenoble, France
| | - Xue-Ji Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Dan Shan
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China.
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16
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Mishra I, Bhol M, Kalimuthu P, Sathiyendiran M. Emerging Spacers-Based Ligands for Supramolecular Coordination Complexes. CHEM REC 2021; 21:594-614. [PMID: 33615668 DOI: 10.1002/tcr.202000150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Indexed: 02/01/2023]
Abstract
The design and self-assembly of supramolecular coordination complexes (SCCs) i. e., discrete cyclic metalloarchitectures such as cycles, cages, mesocates, and helicates with desired size, shape, and properties have been increasing exponentially owing to their potential applications in molecular sensors, molecular cargos, molecular recognition, and catalysis. The introduction of the organic motifs and metal complexes as a spacer provides functionality to the metalloarchitecture. This review mainly focusses on newly evolving spacer based ligands employed to yield simple to high-order metallosupramolecular assemblies using straight-forward approaches. The new spacers including corannulene, organic cyclic framework, bicyclic organic motifs, aliphatic chain, metalloligands, triarylboron, BODIPY, azaphosphatrane, phosphine, and thio/selenophosphates offer a great set of properties and in-built functionalities to the metalloarchitectures which are discussed in this review.
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Affiliation(s)
- Isha Mishra
- School of Chemistry, University of Hyderabad, Hyderabad, 500 046, India
| | - Mamina Bhol
- School of Chemistry, University of Hyderabad, Hyderabad, 500 046, India
| | - Palanisamy Kalimuthu
- Department of Chemistry, The Gandhigram Rural Institute (Deemed to be University), Gandhigram, 624 302, Tamil Nadu, India
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17
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Gayen KS, Das T, Chatterjee N. Recent Advances in Tris‐Primary Amine Based Organic Imine Cages and Related Amine Macrocycles. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Titiksha Das
- Kanchrapara College University of Kalyani Kalyani West Bengal India
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18
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Zhu X, Xu G, Chamoreau L, Zhang Y, Mouriès‐Mansuy V, Fensterbank L, Bistri‐Aslanoff O, Roland S, Sollogoub M. Permethylated NHC‐Capped α‐ and β‐Cyclodextrins (ICyD
Me
) Regioselective and Enantioselective Gold‐Catalysis in Pure Water. Chemistry 2020; 26:15901-15909. [DOI: 10.1002/chem.202001990] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/29/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Xiaolei Zhu
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Guangcan Xu
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Lise‐Marie Chamoreau
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Yongmin Zhang
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Virginie Mouriès‐Mansuy
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Louis Fensterbank
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Olivia Bistri‐Aslanoff
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Sylvain Roland
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Matthieu Sollogoub
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
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19
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Masteri‐Farahani M, Ezabadi A, Mazarei R, Ataeinia P, Shahsavarifar S, Mousavi F. A new nanocomposite catalyst based on clay‐supported heteropolyacid for the green synthesis of 2,4,5‐trisubstituted imidazoles. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5727] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | - A. Ezabadi
- Department of Chemistry, Central Tehran Branch Islamic Azad University Tehran Iran
| | - R. Mazarei
- Faculty of Chemistry Kharazmi University Tehran Iran
| | - P. Ataeinia
- Faculty of Chemistry, Ardabil Branch Islamic Azad University Ardabil Iran
| | | | - F. Mousavi
- Department of Chemistry, Central Tehran Branch Islamic Azad University Tehran Iran
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20
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Qiu G, Colomban C, Vanthuyne N, Giorgi M, Martinez A. Chirality transfer in a cage controls the clockwise/anticlockwise propeller arrangement of the tris(2-pyridylmethyl)amine ligand. Chem Commun (Camb) 2019; 55:14158-14161. [DOI: 10.1039/c9cc07244f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A predictable control of the propeller arrangement of the tris(2-pyridylmethyl)amine (TPA) ligand was achieved in the smallest hemicryptophane 1. Coordination of Cu(i) result in a rare T-shaped complex with controlled helicity of the TPA-Cu core.
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Affiliation(s)
- Gege Qiu
- Aix Marseille Univ
- CNRS
- Centrale Marseille
- iSm2
- Marseille
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