1
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Yang SY, Chen Y, Kwok RTK, Lam JWY, Tang BZ. Platinum complexes with aggregation-induced emission. Chem Soc Rev 2024; 53:5366-5393. [PMID: 38712843 DOI: 10.1039/d4cs00218k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Transition metal-containing materials with aggregation-induced emission (AIE) have brought new opportunities for the development of biological probes, optoelectronic materials, stimuli-responsive materials, sensors, and detectors. Coordination compounds containing the platinum metal have emerged as a promising option for constructing effective AIE platinum complexes. In this review, we classified AIE platinum complexes based on the number of ligands. We focused on the development and performance of AIE platinum complexes with different numbers of ligands and discussed the impact of platinum ion coordination and ligand structure variation on the optoelectronic properties. Furthermore, this review analyzes and summarizes the influence of molecular geometries, stacking models, and aggregation environments on the optoelectronic performance of these complexes. We provided a comprehensive overview of the AIE mechanisms exhibited by various AIE platinum complexes. Based on the unique properties of AIE platinum complexes with different numbers of ligands, we systematically summarized their applications in electronics, biological fields, etc. Finally, we illustrated the challenges and opportunities for future research on AIE platinum complexes, aiming at giving a comprehensive summary and outlook on the latest developments of functional AIE platinum complexes and also encouraging more researchers to contribute to this promising field.
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Affiliation(s)
- Sheng-Yi Yang
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science, State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.
| | - Yingying Chen
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science, State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.
| | - Ryan T K Kwok
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science, State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.
| | - Jacky W Y Lam
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science, State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.
| | - Ben Zhong Tang
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science, State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, China.
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Phukon U, Kedia M, Shankar B, Sathiyendiran M. Rhenium-Pyrazolyl-Based Figure-Eight- and Z-Shaped Metallocycles: Self-Assembly, Solid-State Structures, Dynamic Properties in Solution, and Competitive Ligand-Induced Supramolecular Transformations into Rhenium-Pyridyl/-Benzimidazolyl/-Phosphine-Based Metallocycles/Acyclic Complexes. ACS OMEGA 2023; 8:41773-41784. [PMID: 37969972 PMCID: PMC10633831 DOI: 10.1021/acsomega.3c06371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/23/2023] [Accepted: 10/10/2023] [Indexed: 11/17/2023]
Abstract
Rhenium(I)tricarbonyl core-based heteroleptic "figure-eight"- and Z-shaped metallocycles (1a-4a) of the general formula fac-[{(CO)3Re(μ-L)Re(CO)3}2(dppz)2] were self-assembled from Re2(CO)10, H2-L (H2-L = 5,8-dihydroxy-1,4-naphthaquinone (H2-dhnq) for 1a; 1,4-dihydroxy-9,10-anthraquinone (H2-dhaq) for 2a; 6,11-dihydroxy-5,12-naphthacenedione (H2-dhnd) for 3a; 2,2'-bisbenzimidazole (H2-bbim) for 4a), and bis(4-((pyrazolyl)methyl)phenylmethane) (dppz) via one-pot coordination-driven synthetic approach. The molecular structures of 1a and 4a were unambiguously confirmed by single-crystal X-ray diffraction (SC-XRD) methods. The metallocycles in the DMSO solution exist as an acyclic dinuclear-DMSO adduct of the general formula fac-[{(CO)3Re(μ-L)Re(CO)3}(DMSO)2] (1b, L = dhnq; 2b, L = dhaq; 3b, L = dhnd; 4b, L = bbim) and dppz, which are in dynamic equilibrium. The dynamic behavior of the rhenium-pyrazolyl bond in the solution state was effectively utilized to transform metallocycles 1a-4a into pyridyl/benzimidazolyl/phosphine donor-based heteroleptic metallocycles and acyclic dinuclear complexes (4-13). These include tetranuclear rectangles fac-[{(CO)3Re(μ-L)Re(CO)3}2(4,4'-bpy)2] (4 and 11, L = dhaq for 4 and bbim for 11), dinuclear metallocycles fac-[{(CO)3Re(μ-L)Re(CO)3}(dpbim)] (5-7 and 12; L = dhnq for 5, dhaq for 6, dhnd for 7, and bbim for 12), and dinuclear acyclic complexes fac-[{(CO)3Re(μ-L)Re(CO)3}(PTA)2] (8-10 and 13; L = dhnq for 8, dhaq for 9, dhnd for 10, and bbim for 13). These transformations were achieved through component-induced supramolecular reactions while treating with competitive ligands 4,4'-bipyridine (4,4'-bpy), bis(4-((1H-benzoimidazole-1-yl)methyl)phenyl)methane (dpbim), and 1,3,5-triaza-7-phosphaadamantane (PTA). The reaction mixture in the solution was analyzed using NMR and electrospray ionization mass spectrometry (ESI-MS) analysis. Additionally, crystal structures of 4, 6, and 13, which were obtained in the mixture of the solutions, were determined, providing unequivocal evidence for the occurrence of supramolecular transformation within the system. The results reveal that the size of the chelating ligand and the pyrazolyl donor angle of the ditopic ligand play crucial roles in determining the resulting solid-state metallacyclic architecture in these synthetic combinations. The dynamic behavior of the rhenium-pyrazolyl bond in the metallocycles can be utilized to transform into other metallocycles and acyclic complexes using suitable competing ligands via ligand-induced supramolecular transformations.
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Affiliation(s)
- Upasana Phukon
- School
of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Moon Kedia
- School
of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Bhaskaran Shankar
- Department
of Chemistry, Thiagarajar College of Engineering, Madurai 625 015, India
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3
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Bhol M, Borkar RL, Shankar B, Panda SK, Wolff M, Sathiyendiran M. Self-Assembly of Rhenium(I) Double-Stranded Helicate and Mesocate from Flexible Ditopic Benzimidazolyl/Naphthanoimidazolyl N-Donor and Rigid Bis-Chelating Hydroxyphenylbenzimidazolyl N∩OH-Donor Ligands: Synthesis, Characterization, and Photophysical and B-DNA Docking Studies. Inorg Chem 2023; 62:11554-11569. [PMID: 37436081 DOI: 10.1021/acs.inorgchem.3c01213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
The self-assembly of three rheniumtricarbonyl core-based supramolecular coordination complexes (SCCs), fac-[Re(CO)3(μ-L)(μ-L')Re(CO)3] (1-3) was carried out using Re2(CO)10, rigid bis-chelating ligand (HO∩N-Ph-N∩OH (L1) (where HO∩N = 2-hydroxyphenylbenzimidazolyl), and flexible ditopic N-donor ligands (L2 = bis(3-((1H-benzoimidazol-1-yl)methyl)-2,4,6-trimethylphenyl)methane, L3 = bis(3-((1H-naphtho[2,3-d]imidazol-1-yl)methyl)-2,4,6-trimethylphenyl)methane, L4 = bis(4-(naphtho[2,3-d]imidazol-1-yl-methyl)phenyl)methane) via a one-pot solvothermal approach. In the solid state, the dinuclear SCCs adopt heteroleptic double-stranded helicate and meso-helicate architectures. The supramolecular structures of the complexes are retained in the solution based on the 1H NMR and electrospray ionization (ESI)-mass analysis. The spectral and photophysical properties of the complexes were studied both experimentally and using time-dependent density functional theory (TDDFT) calculations. All of the supramolecules exhibited emission in both solution and solid states. Theoretical studies were conducted to determine the chemical reactivity parameters, molecular electrostatic potential surface plots, natural population, and Hirshfeld analysis for complexes 1-3. Additionally, molecular docking studies were carried out for complexes 1-3 with B-DNA.
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Affiliation(s)
- Mamina Bhol
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Reema L Borkar
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Bhaskaran Shankar
- Department of Chemistry, Thiagarajar College of Engineering, Madurai 625015, India
| | - Saroj Kumar Panda
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Berhampur 760010, India
| | - Mariusz Wolff
- Institut für Chemische Katalyse, Universität Wien, Währinger Straße 38-42, Wien 1090, Österreich
- Institute of Chemistry, University of Silesia in Katowice, Szkolna 9th Street, Katowice 40-006, Poland
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4
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Lu ZZ, Thanasekaran P, Huang CY, Wu JY, Chang TT, Li WS, Velayudham M, Lu KL. A neutral rhenium-biimidazole complex for the selective recognition of fluoride ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 301:122956. [PMID: 37302197 DOI: 10.1016/j.saa.2023.122956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/13/2023]
Abstract
The neutral rhenium(I)-biimidazole complex [Re(CO)3(biimH)(1,4-NVP)] (1) was designed and synthesized by a one-pot reaction of Re2(CO)10, 2,2'-biimidazole (biimH2) and 4-(1-naphthylvinyl)pyridine (1,4-NVP). The structure of 1 was characterized by various spectroscopic techniques including IR, 1H NMR, FAB-MS, and elemental analysis and further confirmed by a single-crystal X-ray diffraction analysis. The mononuclear complex 1, a relatively simple structure with an octahedral geometry, is comprised of facial-arranged carbonyl groups, one chelated biimH monoanion, and one 1,4-NVP. Complex 1 shows the lowest energy absorption band at around 357 nm and an emission band at 408 nm in THF. The luminescent characteristics of 1 combined with the hydrogen bonding ability of the partially coordinated monoionic biimidazole ligand permits the complex to selectively recognize fluoride ions (F-) in the presence of other halides through a dramatic luminescence enhancement. The recognition mechanism of 1 can be convincingly explained in terms of H-bond formation and proton abstraction upon the addition of F- ions by 1H and 19F NMR titration experiments. The electronic properties of 1 were further supported by time dependent density functional theory (TDDFT) computational studies.
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Affiliation(s)
- Zong-Zhan Lu
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Pounraj Thanasekaran
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan; Department of Chemistry, Pondicherry University, Puducherry 605 014, India
| | | | - Jing-Yun Wu
- Department of Applied Chemistry, National Chi Nan University, Nantou 545, Taiwan
| | - Tzu-Ting Chang
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Wen-Shan Li
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Murugesan Velayudham
- Department of Chemistry, Thiagarajar College of Engineering, Madurai 625015, India.
| | - Kuang-Lieh Lu
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan; Department of Chemistry, Fu Jen Catholic University, New Taipei City 242, Taiwan.
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5
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Self-Assembly of a Purely Organic Bowl in Water via Acylhydrazone Formation. Molecules 2023; 28:molecules28030976. [PMID: 36770651 PMCID: PMC9921396 DOI: 10.3390/molecules28030976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 01/21/2023] Open
Abstract
A bowl-shaped molecule can be self-assembled by condensing a triscationic hexaaldehyde compound and three equiv. of a dihydrazide linkers in pure water. The molecular bowl is thus composed of a triscationic π-electron deficient platform, as well as a hexagonal rim that contains six acylhydrazone functions. When the counteranions are chloride, the solid-state structure reveals that this molecular bowl undergoes dimerization via N-H···Cl hydrogen bonds, forming a cage-like dimer with a huge inner cavity. This molecular bowl can employ its cavity to accommodate a hydrophobic guest, namely 1-adamantanecarboxylic acid in aqueous media.
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6
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Thanasekaran P, Huang JH, Jhou CR, Tsao HC, Mendiratta S, Su CH, Liu CP, Liu YH, Huang JH, Lu KL. A neutral mononuclear rhenium(I) complex with a rare in situ-generated triazolyl ligand for the luminescence "turn-on" detection of histidine. Dalton Trans 2023; 52:703-709. [PMID: 36546584 DOI: 10.1039/d2dt03705j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A rare in situ-generated mononuclear rhenium complex [Re(bpt)(CO)3(NH3)] (1, bpt = 3,5-bis(2-pyridyl)-1,2,4-triazolate) can be used as a "turn-on" luminescent probe for selectively sensing L-histidine against other amino acids. Compound 1 was prepared by reacting Re2(CO)10, 2-cyanopyridine and hydrazine with an in situ formed bpt ligand through cyclization via C-N and N-N couplings with its single-side chelating mode arrayed with respect to the Re center. Compound 1 was highly stable and showed a green light MLCT emission in DMF solution at 507 nm upon excitation at 360 nm. Interestingly, the emission from 1 could be quenched by the addition of metal ions such as Ni2+ and Cu2+ but the emission efficiently recovered with the introduction of histidine. However, histidine could only be selectively detected when a combination of compound 1 and Ni2+ was used. Therefore, the luminescence response of the Ni2+-modified compound 1 could be utilized as a "turn-on" probe for the selective detection of histidine. This work provides a simple method for developing new sensing platforms of a discrete metal complex based on rare in situ generation.
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Affiliation(s)
- Pounraj Thanasekaran
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan. .,Department of Chemistry, Pondicherry University, Puducherry 605 014, India
| | - Jui-Hsiang Huang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan. .,Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Cing-Rou Jhou
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | - Hsiang-Chun Tsao
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | | | - Cing-Huei Su
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | - Ching-Ping Liu
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | - Yen-Hsiang Liu
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan.
| | - Jui-Hsien Huang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan.
| | - Kuang-Lieh Lu
- Department of Chemistry, Fu Jen Catholic University, New Taipei City 24205, Taiwan. .,Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
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7
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Divya D, Govindarajan R, Nagarajaprakash R, Fayzullin RR, Vidhyapriya P, Sakthivel N, Manimaran B. Multicomponent Self-Assembly of Diaminobenzoquinonato-Bridged Manganese(I) Metallosupramolecular Rectangles: Host–Guest Interactions, Anticancer Activity, and Visible-Light-Induced CO Releasing Studies. Inorg Chem 2022; 61:15377-15391. [DOI: 10.1021/acs.inorgchem.2c01829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dhanaraj Divya
- Department of Chemistry, Pondicherry University, Puducherry 605014, India
| | | | - Ramamurthy Nagarajaprakash
- Chemical Sciences Research Group, Division of Research & Development, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Robert R. Fayzullin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov Street, Kazan 420088, Russian Federation
| | | | - Natarajan Sakthivel
- Department of Biotechnology, Pondicherry University, Puducherry 605014, India
| | - Bala. Manimaran
- Department of Chemistry, Pondicherry University, Puducherry 605014, India
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8
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Kedia M, Shankar B, Sathiyendiran M. Rhenium(I)-Based Neutral Coordination Cages with a Spherical Cavity for Selective Recognition of Fluoride. Inorg Chem 2022; 61:14506-14510. [PMID: 36067005 DOI: 10.1021/acs.inorgchem.2c02408] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Neutral heteroleptic trinuclear coordination cages containing a preorganized well-defined small spherical endocavity, which is made up of electron-deficient bowl frameworks, three coordination-induced neutral polar C-H donors, and a phenyl motif, were self-assembled via a one-pot approach; the endocavity accommodates fluoride selectively in the presence of other halides.
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Affiliation(s)
- Moon Kedia
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Bhaskaran Shankar
- Department of Chemistry, Thiagarajar College of Engineering, Madurai 625 015, India
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9
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Bhol M, Shankar B, Sathiyendiran M. Rhenium(I)-Based Heteroleptic Pentagonal Toroid-Shaped Metallocavitands: Self-Assembly and Molecular Recognition Studies. Inorg Chem 2022; 61:11497-11508. [PMID: 35820114 DOI: 10.1021/acs.inorgchem.2c02061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A family of neutral, heteroleptic, dinuclear M2LL'-type pentagonal toroid-shaped metallomacrocycles (1-8) were synthesized using flexible ditopic N donors (Ln = L1-L2), rigid bis-chelating ligands (H2-L' = H2-E), and Re2(CO)10 in a one-pot solvothermal self-assembly approach. The ligands and the metallomacrocycles were characterized using ATR-IR, electrospray ionization mass spectrometry, nuclear magnetic resonance, ultraviolet-visible, and emission spectroscopy methods. The molecular structures of 1, 2, 4, 6, and 7 were confirmed by an X-ray diffraction study and are similar to those of calix[5]arene. The cyclic inner cavities of the metallomacrocycles accommodate toluene/mesitylene/acetone/chlorobenzene as guest molecules that are stabilized by cumulative C-H···π and π···π interactions with the cyclic framework of metallomacrocycle. The photophysical properties of the ligands and the metallomacrocycles were studied. The host-guest recognition properties of metallocavitands 1, 2, 7, and 8 as a model host with phenol and nitrobenzene derivatives as guest molecules were studied by emission spectroscopy methods.
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Affiliation(s)
- Mamina Bhol
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Bhaskaran Shankar
- Department of Chemistry, Thiagarajar College of Engineering, Madurai 625015, India
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10
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Thanasekaran P, Lin B, Valaboju A, Lan C, Chang C, Lee C, Wu J, Bhattacharya D, Tseng T, Lee H, Hsu C, Lu K. Molecular mechanics of glove‐like re(I) metallacycles: Toward light‐activated molecular catchers. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Bo‐Chao Lin
- Institute of Chemistry, Academia Sinica Taipei Taiwan
| | | | | | - Che‐Hao Chang
- Institute of Chemistry, Academia Sinica Taipei Taiwan
| | - Chung‐Chou Lee
- Material and Chemical Research Laboratories Industrial Technology Research Institute Hsinchu Taiwan
| | - Jing‐Yun Wu
- Department of Applied Chemistry National Chi Nan University Nantou Taiwan
| | | | - Tien‐Wen Tseng
- Department of Chemical Engineering National Taipei University of Technology Taipei Taiwan
| | | | - Chao‐Ping Hsu
- Institute of Chemistry, Academia Sinica Taipei Taiwan
- Division of Physics National Center for Theoretical Sciences Taipei Taiwan
| | - Kuang‐Lieh Lu
- Institute of Chemistry, Academia Sinica Taipei Taiwan
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11
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Self-assembly of Mn(I)-based oxamidato-bridged dinuclear molecular tweezers and tetranuclear molecular rectangles. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Bhol M, Claude G, Jungfer MR, Abram U, Sathiyendiran M. Calix[4]arene-Analogous Technetium Supramolecules. Inorg Chem 2022; 61:5173-5177. [PMID: 35319206 DOI: 10.1021/acs.inorgchem.1c03691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Calix[4]arene-analogous technetium supramolecules (1 and 2) were assembled using (NBu4)[Tc2(μ-Cl)3(CO)6] and neutral flexible bidentate nitrogen-donor ligands (L1 and L2) consisting of four arene units covalently joined via methylene units. The neutral homoleptic technetium macrocycles adopt a partial cone/cone-shaped conformation in the solid state. These supramolecules are the first example of fac-[Tc(CO)3]+ core-based metallocalix[4]arenes and second example of fac-[Tc(CO)3]+ core-based metallomacrocycles. Structurally similar fac-[Re(CO)3]+ core-based macrocycles (3 and 4) were also prepared using [Re(CO)5X] (where X = Cl or Br) and L1 or L2. The products were characterized spectroscopically and by X-ray analysis.
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Affiliation(s)
- Mamina Bhol
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Guilhem Claude
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, Berlin D-14195, Germany
| | - Maximilian Roca Jungfer
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, Berlin D-14195, Germany
| | - Ulrich Abram
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36, Berlin D-14195, Germany
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13
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Pachisia S, Gupta R, Gupta R. Molecular Assemblies Offering Hydrogen-Bonding Cavities: Influence of Macrocyclic Cavity and Hydrogen Bonding on Dye Adsorption. Inorg Chem 2022; 61:3616-3630. [PMID: 35156802 DOI: 10.1021/acs.inorgchem.1c03747] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This work presents a set of Hg macrocycles of amide-phosphine-based ligands offering H-bonding cavities of different dimensions. Such macrocycles are shown to selectively adsorb anionic dyes followed by neutral dyes as well as Prontosil, a biologically relevant antibiotic, within their cavities with the aid of H-bonding-assisted encapsulation. Kinetic experiments supported by spectroscopic and docking studies illustrate the importance of the cavity structure as well as H-bonds for the selective adsorption of dyes.
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Affiliation(s)
- Sanya Pachisia
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ruchika Gupta
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Rajeev Gupta
- Department of Chemistry, University of Delhi, Delhi 110007, India
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14
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Kedia M, Priyatharsini M, Sathiyashivan SD, Shankar B, Krishnakumar RV, Sathiyendiran M. Prototype rhenium metallocavitand with four exocyclic cavities for small molecules. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2021.122123] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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15
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Zhu Z, Zhang J, Cong Y, Ge R, Li Z, Li X, Zheng S. Two Giant
Calixarene‐Like
Polyoxoniobate Nanocups {Cu
12
Nb
120
} and {Cd
16
Nb
128
} Built from Mixed Macrocyclic Cluster Motifs. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202113381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zeng‐Kui Zhu
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Jing Zhang
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Yu‐Chen Cong
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Rui Ge
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Zhong Li
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Xin‐Xiong Li
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
| | - Shou‐Tian Zheng
- State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou Fujian 350108 China
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16
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Zhu ZK, Zhang J, Cong YC, Ge R, Li Z, Li XX, Zheng ST. Two Giant Calixarene-Like Polyoxoniobate Nanocups {Cu 12 Nb 120 } and {Cd 16 Nb 128 } Built from Mixed Macrocyclic Cluster Motifs. Angew Chem Int Ed Engl 2021; 61:e202113381. [PMID: 34919310 DOI: 10.1002/anie.202113381] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Indexed: 11/10/2022]
Abstract
Cup-shaped molecules are of great interest due to their appealing architectures and properties. Compared with widely studied calixarenes, polyoxometalate-based cup-shaped molecules currently remain a virgin land waiting for exploration. In this work, we report the first discovery of two giant cup-shaped inorganic-organic hybrid polyoxoniobates (PONbs) of {Cu12 Nb120 } and {Cd16 Nb128 }. The former integrates three tricyclic Nb24 clusters and a hexacyclic Nb48 cluster into a cup-shaped molecule via a Cu12 metallacalixarene, while the latter unifies two tricyclic Nb24 clusters and a brand-new pentacyclic Nb40 cluster into another cup-shaped molecule via a hybrid Cd16 unit. With 132 and 144 metal centers, {Cu12 Nb120 } and {Cd16 Nb128 } show the largest two inorganic-organic hybrid PONbs known to date.
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Affiliation(s)
- Zeng-Kui Zhu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Jing Zhang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Yu-Chen Cong
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Rui Ge
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Zhong Li
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Xin-Xiong Li
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Shou-Tian Zheng
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China
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17
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Karges J, Seo H, Cohen SM. Synthesis of tetranuclear rhenium(I) tricarbonyl metallacycles. Dalton Trans 2021; 50:16147-16155. [PMID: 34679156 DOI: 10.1039/d1dt02435c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Re(I) tricarbonyl complexes have received much attention due to their attractive photochemical, electrochemical, and biological properties. Beyond simple mononuclear complexes, multinuclear assemblies offer greater structural diversity and properties. Despite previous reports on the preparation of di-, tri-, or tetranuclear Re(I) tricarbonyl assemblies, the synthesis of these supramolecular structures remains challenging due to overall low yields or tedious purification protocols. Herein, the facile preparation and characterization of tetranuclear Re(I) tricarbonyl metallacycles with a square geometry is reported using a tetrazole-based ligand. The synthesis of the metallacycle was optimized using different metal precursors, solvents, temperatures, and reagent concentrations. Finally, the scope of suitable tetrazole-based ligands was explored to produce several tetranuclear Re(I) tricarbonyl-based metallacycles.
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Affiliation(s)
- Johannes Karges
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
| | - Hyeonglim Seo
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
| | - Seth M Cohen
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
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18
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Kumar U, Ramakrishna B, Varghese J, Vidhyapriya P, Sakthivel N, Manimaran B. Self-Assembled Manganese(I)-Based Selenolato-Bridged Tetranuclear Metallorectangles: Host-Guest Interaction, Anticancer, and CO-Releasing Studies. Inorg Chem 2021; 60:13284-13298. [PMID: 34357751 DOI: 10.1021/acs.inorgchem.1c01636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Supramolecular one-step self-assembly of dimanganese decacarbonyl, diaryl diselenide, and linear dipyridyl ligands (L = pyrazine (pz), 4,4'-bipyridine (bpy), and trans-1,2-bis(4-pyridyl)ethylene (bpe)) has resulted in the formation of selenolato-bridged manganese(I)-based metallorectangles. The synthesis of tetranuclear Mn(I)-based metallorectangles [{(CO)3Mn(μ-SeR)2Mn(CO)3}2(μ-L)2] (1-6) was facilitated by the oxidative addition of diaryl diselenide to dimanganese decacarbonyl with the simultaneous coordination of linear bidentate pyridyl linker in an orthogonal fashion. Formation of metallorectangles 1-6 was ascertained using IR, UV-vis, NMR spectroscopic techniques, and elemental analyses. The molecular mass of compounds 2, 4, and 6 were determined by ESI-mass spectrometry. Solid-state structural elucidation of 2, 3, and 6 by single-crystal X-ray diffraction methods revealed a rectangular framework wherein selenolato-bridges and pyridyl ligands define the shorter and longer edges, respectively. Also, the guest binding capability of metallorectangles 3 and 5 with different aromatic guests was studied using UV-vis absorption and emission spectrophotometric titration methods that affirmed strong host-guest binding interactions. The formation of the host-guest complex between metallorectangle 3 and pyrene has been explicitly corroborated by the single-crystal X-ray structure of 3•pyrene. Moreover, select metallorectangles 1-4 and 6 were studied to explore their anticancer activity, while CO-releasing ability of metallorectangle 2 was further appraised using equine heart myoglobin assay.
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Affiliation(s)
- Udit Kumar
- Department of Chemistry, Pondicherry University, Puducherry 605014, India
| | - Buthanapalli Ramakrishna
- Division of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Chennai Campus, Vandalur-Kelambakkam Road, Tamil Nadu 600127, India
| | - Jisna Varghese
- Department of Chemistry, Pondicherry University, Puducherry 605014, India
| | | | - Natarajan Sakthivel
- Department of Biotechnology, Pondicherry University, Puducherry 605014, India
| | - Bala Manimaran
- Department of Chemistry, Pondicherry University, Puducherry 605014, India
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19
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Tzeng BC, Lin IL, Chen WH, Lee GH. Anion-Recognition Studies of a Rhenium(I) 4-Mercaptopyridine Compound and Its Ligand-Coupling Products. Inorg Chem 2021; 60:4764-4771. [PMID: 33721490 DOI: 10.1021/acs.inorgchem.0c03723] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reaction of Re(CO)5Cl with 4-mercaptopyridine (4-PySH) led to the formation of [Re(CO)3(4-HPyS)3]Cl (1), showing three hydrogen-bonding donors of 4-PySH ligands as well as a characteristic ligand-to-metal charge-transfer absorption at ca. 380 nm. In this regard, a variety of anions, i.e., CN-, OAc-, F-, Cl-, Br-, I-, PF6-, NO3-, ClO4-, and H2PO4-, were examined to study anion-recognition studies through hydrogen-bonding functionalities. Upon the addition of CN- to a methanolic solution of complex 1, a remarkable spectral change with an isosbestic point at ca. 314 nm in the absorption spectra was observed, with a binding constant (Kb) calculated to be 24770 M-1. Moreover, the OAc- anion also shows a similar trend, but a mild spectral change, with Kb calculated to be 2170 M-1. Unlike those of CN- and OAc-, the addition of F-, Cl-, Br-, and I- anions causes a less pronounced spectral change with an isosbestic point at ca. 350 nm and Kb calculated to be 2863-750 M-1. However, almost no spectral change can be observed for other anions (i.e., PF6-, NO3-, H2PO4-, and ClO4-). Interestingly, the molecular loops of [Re(CO)3Cl(Py2S2)]2 (2; Py2S2 = 4,4'-dipyridyl disulfide) and [Re(CO)3Cl(Py2S)0.35(Py2S2)0.65]2 (3; Py2S = 4,4'-dipyridyl sulfide) can be isolated and structurally characterized by X-ray diffraction, where those crystals were grown from diethyl ether diffusion into a methanolic solution of complex 1 with [Bu4N]CN and [Bu4N]NO3, respectively. It is noted that such unusual ligand-coupling reactions toward the homoligand and hybrid-ligand loops of complexes 2 and 3 can be achieved at room temperature in this study.
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Affiliation(s)
- Biing-Chiau Tzeng
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chia-Yi 621, Taiwan
| | - I-Lin Lin
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chia-Yi 621, Taiwan
| | - Wen-Hui Chen
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chia-Yi 621, Taiwan
| | - Gene-Hsiang Lee
- Department of Chemistry, National Taiwan University, 1 Roosevelt Road, Section 4, Taipei 106, Taiwan
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20
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The first use of tri(1-naphthyl)phosphine oxide as ligand for rhenium(I)- complexes from phosphine via a one-pot approach. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2020.121657] [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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21
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Mishra I, Priyatharsini M, Sathiyendiran M. Rhenium(I) complexes from 2-(2'-hydroxyphenyl)benzimidazolyl based bis-chelating ligand and 4-(amino)pyridine/4-(dimethylamino)pyridine. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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One pot synthesis of chalcogenolato and phosphino bridged/ligated Mn(I)- and Re(I)-based mono- and dinuclear metallacycles. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Phukon U, Priyatharsini M, Sathiyendiran M. Self-assembly of rhenium core-based conjoined bicyclic supramolecule from pyrazole and flexible hexatopic pyrazolyl ligands. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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24
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Schlindwein SH, Sibold C, Schenk M, Ringenberg MR, Feil CM, Nieger M, Gudat D. A Ditopic Phosphane‐decorated Benzenedithiol as Scaffold for Di‐ and Trinuclear Complexes of Group‐10 Metals and Gold. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.201900355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Simon H. Schlindwein
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
| | - Carlo Sibold
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
| | - Mareike Schenk
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
| | - Mark R. Ringenberg
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
| | - Christoph M. Feil
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
| | - Martin Nieger
- Department of Chemistry University of Helsinki 00014 Helsinki Finland
| | - Dietrich Gudat
- Institut für Anorganische Chemie Universität Stuttgart Pfaffenwaldring 55 70550 Stuttgart Germany
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25
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26
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Thanasekaran P, Luo T, Kao Y, Lin C, Yang C, Lu K. Self‐assembly: An intriguing relationship between structures of metal complexes and shapes of ancient Chinese characters. J CHIN CHEM SOC-TAIP 2019. [DOI: 10.1002/jccs.201900153] [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)
| | | | - Ya‐Chuan Kao
- Institute of ChemistryAcademia Sinica Taipei Taiwan
| | | | - Chen‐I Yang
- Department of ChemistryTunghai University Taichung Taiwan
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27
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Mandal S, Poria DK, Seth DK, Ray PS, Gupta P. Cyclometalated rhodium and iridium complexes with imidazole containing Schiff bases: Synthesis, structure and cellular imaging. Polyhedron 2019; 73:12-21. [PMID: 31274947 PMCID: PMC6606443 DOI: 10.1016/j.poly.2014.01.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Cyclometalated rhodium(III) and iridium(III) complexes (1-4) of two Schiff base ligands L1 and L2 with the general formula [M(ppy)2(Ln)]Cl {M = Rh, Ir; ppy = 2-phenylpyridine; n = 1, 2; L = Schiff base ligand} have been synthesized. The new ligands and the complexes have been characterized with spectroscopic techniques. Electrochemistry of the complexes revealed anodic behavior, corresponding to an M(III) to M(IV) oxidation. The X-ray crystal structures of complexes 2 and 4 have also been determined to interpret the coordination behavior of the complexes. Photophysical study shows that all the complexes display fluorescence at room temperature with quantum yield of about 3 × 10-2 to 5 × 10-2. The electronic absorption spectra of all the complexes fit well with the computational studies. Cellular imaging studies were done with the newly synthesized complexes. To the best of our knowledge, this is the first report of organometallic complexes of rhodium(III) and iridium(III) with Schiff base ligands explored for cellular imaging. Emphasis of this work lies on the structural features, photophysical behavior, cellular uptake and imaging of the fluorescent transition metal complexes.
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Affiliation(s)
- Soumik Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur campus, Mohanpur, Nadia 741252, West Bengal, India
| | - Dipak K. Poria
- Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur, Nadia 741252, West Bengal, India
| | - Dipravath K. Seth
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Jadavpur 700032, India
| | - Partho Sarothi Ray
- Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur, Nadia 741252, West Bengal, India
| | - Parna Gupta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur campus, Mohanpur, Nadia 741252, West Bengal, India
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28
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Arumugam R, Shankar B, Soumya KR, Sathiyendiran M. fac-Re(CO) 3-based neutral heteroleptic tetrahedrons. Dalton Trans 2019; 48:7425-7431. [PMID: 31041944 DOI: 10.1039/c8dt05065a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four new flexible ditopic nitrogen donors possessing a xylene spacer and 2-phenylbenzimidazolyl or its derivatives as a coordinating unit and one rigid bis-chelating ligand consisting of two 2-hydroxyphenylbenzimidazolyl motifs and a central phenylene spacer were synthesized and further used with Re2(CO)10 for making a new family of neutral, heteroleptic tetrahedral-shaped supramolecular coordination complexes via a one-pot approach. The new ligands and the complexes were characterized using various analytical and spectroscopic methods. The molecular structures of the complexes were determined using single crystal X-ray diffraction analysis, which reveal that four rhenium cores are arranged in the vertices, and four ligands are at the edges of the tetrahedron.
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Affiliation(s)
- Ramar Arumugam
- School of Chemistry, University of Hyderabad, Hyderabad -500 046, India.
| | - Bhaskaran Shankar
- School of Chemistry, University of Hyderabad, Hyderabad -500 046, India.
| | - K R Soumya
- School of Chemistry, University of Hyderabad, Hyderabad -500 046, India.
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29
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Arumugam R, Shankar B, Shanmugam R, Arumuganathan T, Sathiyendiran M. Phosphine oxide-based tricarbonylrhenium(i) complexes from phosphine/phosphine oxide and dihydroxybenzoquinones. Dalton Trans 2018; 47:13894-13901. [PMID: 30226250 DOI: 10.1039/c8dt02985g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neutral phosphine oxide (P[double bond, length as m-dash]O) donor-based organometallic complexes [{Re(CO)3O[double bond, length as m-dash]PCy3}{μ-DHBQ}{Re(CO)3O[double bond, length as m-dash]PCy3}] (1), [{Re(CO)3O[double bond, length as m-dash]PPh3}{μ-DHBQ}{Re(CO)3O[double bond, length as m-dash]PPh3}] (2), [{Re(CO)3O[double bond, length as m-dash]PCy3}{μ-THQ}{Re(CO)3O[double bond, length as m-dash]PCy3}] (3), [{Re(CO)3O[double bond, length as m-dash]PPh3}{μ-THQ}{Re(CO)3O[double bond, length as m-dash]PPh3}] (4), [{Re(CO)3O[double bond, length as m-dash]PCy3}{μ-CA}{Re(CO)3O[double bond, length as m-dash]PCy3}] (5), and [{Re(CO)3O[double bond, length as m-dash]PPh3}{μ-CA}{Re(CO)3O[double bond, length as m-dash]PPh3}] (6) were assembled from phosphine/phosphine oxide, a dihydroxybenzoquinone donor and Re2(CO)10via a one-pot solvothermal approach. The soft phosphine donor was transformed into a hard phosphine oxide donor during the formation of 1, 3, 4, 5, and 6. The complexes 1-6 were air and moisture stable and were soluble in polar organic solvents. The complexes were characterized by elemental analysis, FT-IR, and NMR spectroscopic methods. The molecular structures of 1, 2, 4, and 6 were analyzed by single-crystal X-ray diffraction analysis. The UV-Visible absorption studies indicated that 1-6 in THF display strong visible light absorption in the range of ∼350-700 nm.
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Affiliation(s)
- Ramar Arumugam
- Department of Chemistry, Thiagarajar College, Madurai 625 009, Tamil Nadu, India
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30
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Qin L, Guan X, Yang C, Huang JS, Che CM. Near-Infrared Phosphorescent Supramolecular Alkyl/Aryl-Iridium Porphyrin Assemblies by Axial Coordination. Chemistry 2018; 24:14400-14408. [DOI: 10.1002/chem.201803238] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/30/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Lin Qin
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials and Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Xiangguo Guan
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials and Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Chen Yang
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials and Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Jie-Sheng Huang
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials and Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials and Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
- HKU Shenzhen Institute of Research and Innovation; Shenzhen 518053 P. R. China
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31
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Ma LL, Han JQ, Jia WG, Han YF. Coordination-driven self-assembly vs dynamic covalent chemistry: versatile methods for the synthesis of molecular metallarectangles. Beilstein J Org Chem 2018; 14:2027-2034. [PMID: 30202457 PMCID: PMC6122155 DOI: 10.3762/bjoc.14.178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 07/19/2018] [Indexed: 11/23/2022] Open
Abstract
Supramolecular coordination assemblies have a range of potential applications in chemical and biological sciences. Herein, simple modular methods for the synthesis of metallarectangles are described. The desired tetranuclear metallarectangles were synthesized by using coordination-driven self-assembly of half-sandwich rhodium-based organometallic clip units and organic ligands. The reaction of such an organometallic clip with 4-formylpyridine provided a dinuclear molecular tweezer with pendant aldehyde groups, and subsequent [4 + 4] condensation reactions with diamines provides another route to the target metallarectangles in good yields. The same assemblies can also be easily isolated in one-pot procedures by mixing the organometallic clip, diamines and 4-formylpyridine.
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Affiliation(s)
- Li-Li Ma
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China
| | - Jia-Qin Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China.,College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu 241002, China
| | - Wei-Guo Jia
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu 241002, China
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China
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32
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Soumya KR, Arumugam R, Shankar B, Sathiyendiran M. Sulfate Donor Based Dinuclear Heteroleptic Triple-Stranded Helicates from Sulfite and Ditopic Nitrogen Donor Ligands and Their Transformation to Dinuclear Homoleptic Double-Stranded Mesocates. Inorg Chem 2018; 57:10718-10725. [PMID: 30106570 DOI: 10.1021/acs.inorgchem.8b01343] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Sulfate donor based supramolecular coordination complexes [{ fac-Re(CO)3}(μ-SO4)(L n)2{ fac-Re(CO)3}] (1-3) were obtained using ditopic N donors (L n; n = 1-3), NaHSO3, and Re2(CO)10 in a one-pot, multicomponent, coordination-driven self-assembly approach, in which SO32- becomes oxidized to SO42- during the reaction and acts as a building framework. Complexes 1-3 were characterized using IR, ESI-TOF-MS, and 1H NMR spectroscopy. The structures of complexes 1-3 were confirmed using single-crystal X-ray diffraction analysis. The transformation of the dinuclear heteroleptic triple-stranded helicate to the dinuclear homoleptic double-stranded mesocate [{Re(CO)3Cl}2(L n)2] (L n = L1, L2, L3; 4a-6a) was achieved by the addition of BaCl2. The direct treatment of Re(CO)5X (X = Cl, Br) with L1/L2/L3 yielded the dinuclear homoleptic double-stranded helicates [{Re(CO)3X}2 (L n)2] (4b-6b and 7-9).
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Affiliation(s)
- K R Soumya
- School of Chemistry , University of Hyderabad , Hyderabad 500046 , India
| | - Ramar Arumugam
- School of Chemistry , University of Hyderabad , Hyderabad 500046 , India
| | - Bhaskaran Shankar
- School of Chemistry , University of Hyderabad , Hyderabad 500046 , India
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33
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Li FZ, Mei L, Wu QY, Tian Y, Hu KQ, Ge YC, Liu N, Gibson JK, Chai ZF, Shi WQ. An Insight into Adaptive Deformation of Rigid Cucurbit[6]uril Host in Symmetric [2]Pseudorotaxanes. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800964] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Fei-ze Li
- Key Laboratory of Radiation Physics and Technology (Sichuan University); Ministry of Education; Institute of Nuclear Science and Technology; Sichuan University; 610064 Chengdu P. R. China
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Lei Mei
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Qun-yan Wu
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Yin Tian
- Institute of High Energy Physics; Southwestern Institute of Physics; 610041 Chengdu P. R. China
| | - Kong-qiu Hu
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Yun-chen Ge
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Ning Liu
- Key Laboratory of Radiation Physics and Technology (Sichuan University); Ministry of Education; Institute of Nuclear Science and Technology; Sichuan University; 610064 Chengdu P. R. China
| | - John K. Gibson
- Chemical Sciences Division; Institute of High Energy Physics; Lawrence Berkeley National Laboratory; 94720 Berkeley California USA
| | - Zhi-fang Chai
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
| | - Wei-qun Shi
- Laboratory of Nuclear Energy Chemistry; Institute of High Energy Physics; Chinese Academy of Sciences; 100049 Beijing P. R. China
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34
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Gupta D, Sathiyendiran M. Rhenium‐Carbonyl‐Based Supramolecular Coordination Complexes: Synthesis, Structure and Properties. ChemistrySelect 2018. [DOI: 10.1002/slct.201800904] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Deepak Gupta
- Department of ChemistryBhaskaracharya College of Applied SciencesUniversity of Delhi, Sector-2 Dwarka New Delhi-110075 India
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35
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Karthikeyan M, Govindarajan R, Ashok Kumar C, Kumar U, Manimaran B. Rectangular and hammock shaped ester functionalized chalcogenolato-bridged rhenium(I) tetranuclear metallacyclophanes. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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36
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fac-Re(CO)3-based organometallic supramolecular coordination complexes using thiophene motif decorated flexible ditopic benzimidazolyl donor. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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37
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Govindarajan R, Divya D, Nagarajaprakash R, Manimaran B. Synthesis and Characterization of Aminoquinonato Bridged Re(I)-Based Amide Functionalized Dinuclear Metallastirrups and Tetranuclear Lemniscate Metallacycles. ChemistrySelect 2018. [DOI: 10.1002/slct.201800296] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | - Dhanaraj Divya
- Department of Chemistry; Pondicherry University; Puducherry 605014 India
| | | | - Bala. Manimaran
- Department of Chemistry; Pondicherry University; Puducherry 605014 India
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38
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Singh K, Gangrade A, Bhowmick S, Jana A, Mandal BB, Das N. Self-Assembly of a [1 + 1] Ionic Hexagonal Macrocycle and Its Antiproliferative Activity. Front Chem 2018; 6:87. [PMID: 29666793 PMCID: PMC5891631 DOI: 10.3389/fchem.2018.00087] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 03/12/2018] [Indexed: 11/13/2022] Open
Abstract
A unique irregular hexagon was self-assembled using an organic donor clip (bearing terminal pyridyl units) and a complementary organometallic acceptor clip. The resulting metallamacrocycle was characterized by multinuclear NMR, mass spectrometry, and elemental analyses. Molecular modeling confirmed hexagonal shaped cavity for this metallamacrocycle which is a unique example of a discrete hexagonal framework self-assembled from only two building blocks. Cytotoxicity of the Pt-based acceptor tecton and the self-assembled PtII-based macrocycle was evaluated using three cancer cell lines and results were compared with cisplatin. Results confirmed a positive effect of the metallamacrocycle formation on cell growth inhibition.
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Affiliation(s)
- Khushwant Singh
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, India
| | - Ankit Gangrade
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Sourav Bhowmick
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, India
| | - Achintya Jana
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, India
| | - Neeladri Das
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, India
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39
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Ashok Kumar C, Ramakrishna B, Kumar U, Manimaran B. Synthesis and characterization of manganese(I) and rhenium(I) based M2L2- and M2(µ-Br)2L-type diethyleneglycol decorated ester functionalized metallacycles. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.11.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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40
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Wu JY, Zhong MS, Chiang MH. Anion-Directed Metallocages: A Study on the Tendency of Anion Templation. Chemistry 2017; 23:15957-15965. [PMID: 28895232 DOI: 10.1002/chem.201702848] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Indexed: 11/08/2022]
Abstract
Self-assembly of Cu(NO3 )2 ⋅3 H2 O and di(3-pyridylmethyl)amine (dpma) with addition of different acids (HNO3 , HOAc, HCl, HClO4 , HOTf, HPF6 , HBF4 , and H2 SO4 ) afforded a family of anion-templated tetragonal metallocages with a cationic prismatic structure of [(Gn- )⊂{Cu2 (Hdpma)4 }](8-n)+ (Gn- =NO3- , PF6- , SiF62- ) with different ligating anions/solvents (NO3- , Cl- , ClO4- , OTf- , H2 O) outside the cage. Systematic competitive experiments have rationalized the tendency of anion templation towards the formation of metallocages [(Gn- )⊂{Cu2 (Hdpma)4 }](8-n)+ as occurring in the order SiF62- ≈PF6- >NO3- >SO42- ≈ClO4- ≈BF4- . This sequence is mostly elucidated by shape control over size selectivity and electrostatic attraction between the cationic {Cu2 (Hdpma)4 }8+ host and the anionic guests. In addition, these results have also roughly ranked the anion coordination ability in the order Cl- , ClO4- , OTf- >NO3- >BF4- , CH3 SO4- . Magnetic studies of metallocages 1 t and 2-4 suggest that the fitted magnetic interaction, being weakly magnetically coupled overall, is interpreted as a result of the combination of intracage ferromagnetic coupling integrals and intercage antiferromagnetic exchange; both contributions are very weak and comparable in strength.
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Affiliation(s)
- Jing-Yun Wu
- Department of Applied Chemistry, National Chi Nan University, Nantou, 545, Taiwan
| | - Ming-Shiou Zhong
- Department of Applied Chemistry, National Chi Nan University, Nantou, 545, Taiwan
| | - Ming-Hsi Chiang
- Institute of Chemistry, Academia Sinica, Taipei, 115, Taiwan
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41
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Zhang Y, Crawley MR, Hauke CE, Friedman AE, Janik TS, Cook TR. A Bis(dipyrrinato) Motif as a Building Block for Polynuclear Rhenium(I) Architectures. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700771] [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)
- Yuzhen Zhang
- Department of Chemistry University at Buffalo, State University of New York 14260 Buffalo New York USA
| | - Matthew R. Crawley
- Department of Chemistry University at Buffalo, State University of New York 14260 Buffalo New York USA
| | - Cory E. Hauke
- Department of Chemistry University at Buffalo, State University of New York 14260 Buffalo New York USA
| | - Alan E. Friedman
- Department of Chemistry University at Buffalo, State University of New York 14260 Buffalo New York USA
| | - Thomas S. Janik
- Department of Chemistry and Biochemistry State University of New York at Fredonia 14063 Fredonia New York USA
| | - Timothy R. Cook
- Department of Chemistry University at Buffalo, State University of New York 14260 Buffalo New York USA
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42
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Jana A, Das N. Self-Assembly of [2+2] Platina Macrocycles Using a Flexible Organometallic Clip. ChemistrySelect 2017. [DOI: 10.1002/slct.201700479] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Achintya Jana
- Department of Chemistry; Indian Institute of Technology Patna; Patna 801106, Bihar India, Tel.: +919631624708, Tel.: +91612-3028023
| | - Neeladri Das
- Department of Chemistry; Indian Institute of Technology Patna; Patna 801106, Bihar India, Tel.: +919631624708, Tel.: +91612-3028023
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43
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Laramée-Milette B, Zaccheroni N, Palomba F, Hanan GS. Visible and Near-IR Emissions from k
2
N
- and k
3
N
-Terpyridine Rhenium(I) Assemblies Obtained by an [n
×1] Head-to-Tail Bonding Strategy. Chemistry 2017; 23:6370-6379. [DOI: 10.1002/chem.201700077] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Baptiste Laramée-Milette
- Département de Chimie; Université de Montréal; 5150 Ch. de la Rampe, Pavillon J.-A. Bombardier Montréal QC H3T 2B1 Canada
| | - Nelsi Zaccheroni
- Dipartimento di Chimica, “Giacomo Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
| | - Francesco Palomba
- Dipartimento di Chimica, “Giacomo Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
| | - Garry S. Hanan
- Département de Chimie; Université de Montréal; 5150 Ch. de la Rampe, Pavillon J.-A. Bombardier Montréal QC H3T 2B1 Canada
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44
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Krawczyk MK, Bikas R, Krawczyk MS, Lis T. On rhenium(i)–silver(i) cyanide porous macrocyclic clusters. CrystEngComm 2017. [DOI: 10.1039/c7ce00646b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The first cyanide rhenium(i)–silver(i) clusters were synthesized in the course of simple one-pot high-yielding reactions.
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Affiliation(s)
- Monika K. Krawczyk
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
- Institute of Experimental Physics
| | - Rahman Bikas
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
- Department of Chemistry, Faculty of Science
| | - Marta S. Krawczyk
- Department of Analytical Chemistry, Faculty of Pharmacy
- Wrocław Medical University
- 50-556 Wrocław
- Poland
| | - Tadeusz Lis
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
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45
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Reversible structural transformations between a chain polymer and a metallocage induced by anion templation. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.11.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Sathish V, Ramdass A, Velayudham M, Lu KL, Thanasekaran P, Rajagopal S. Development of luminescent sensors based on transition metal complexes for the detection of nitroexplosives. Dalton Trans 2017; 46:16738-16769. [DOI: 10.1039/c7dt02790g] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The detection of nitro explosives by transition metal complexes/metallosupramolecules with their designs and sensing mechanisms are comprehensively reviewed.
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Affiliation(s)
- Veerasamy Sathish
- Department of Chemistry
- Bannari Amman Institute of Technology
- Sathyamangalam – 638 401
- India
| | - Arumugam Ramdass
- Research Department of Chemistry
- Aditanar College of Arts and Science
- Tiruchendur – 628 216
- India
| | | | - Kuang-Lieh Lu
- Institute of Chemistry
- Academia Sinica
- Taipei
- 115 Taiwan
| | | | - Seenivasan Rajagopal
- Department of Physical Chemistry
- Madurai Kamaraj University
- Madurai – 625 021
- India
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47
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Ramakrishna B, Ashok Kumar C, Logesh TJ, Manimaran B. Oxamidato pillared heteroligated dirhenium(I) metallacrown ethers: Synthesis, spectroscopic and structural characterization. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2016.11.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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48
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Huang GG, Lee CJ, Yang J, Chang CH, Sathiyendiran M, Lu ZZ, Lu KL. Rhenium-Based Molecular Trap as an Evanescent Wave Infrared Chemical Sensing Medium for the Selective Determination of Amines in Air. ACS APPLIED MATERIALS & INTERFACES 2016; 8:35634-35640. [PMID: 27966858 DOI: 10.1021/acsami.6b11767] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
An evanescent wave infrared chemical sensor was developed to selectively detect volatile amines with heterocyclic or phenyl ring. To achieve this goal, a rhenium-based metallacycle with a "molecular-trap" structure was designed and synthesized as host molecules to selectively trap amines with heterocyclic or phenyl ring through Re-amine and π-π interactions. To explore the trapping properties of the material, a synthesized Re-based molecular trap was treated on an IR sensing element, and wide varieties of volatile organic compounds (VOCs) were examined to establish the selectivity for detection of amines. Based on the observed IR intensities, the Re-based molecular trap favors interaction with amines as evidenced by the variation of absorption bands of the Re molecular trap. With extra π-π interaction force, molecules, such as pyridine and benzylamine, could be detected. After optimization of the parameters for IR sensing, a rapid response in the detection of pyridine was observed, and the linear ranges were generally up to 10 mg/L with a detection limit around 5.7 μg/L. In the presence of other VOCs, the recoveries in detection of pyridine were all close to 100%.
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Affiliation(s)
- Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University , Kaohsiung, 807, Taiwan
| | - Chung-Jay Lee
- Department of Chemistry, National Chung Hsing University , Taichung 402, Taiwan
| | - Jyisy Yang
- Department of Chemistry, National Chung Hsing University , Taichung 402, Taiwan
| | - Che-Hao Chang
- Institute of Chemistry, Academia Sinica , Taipei 115, Taiwan
| | | | - Zong-Zhan Lu
- Institute of Chemistry, Academia Sinica , Taipei 115, Taiwan
| | - Kuang-Lieh Lu
- Institute of Chemistry, Academia Sinica , Taipei 115, Taiwan
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49
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Shankar B, Arumugam R, Elumalai P, Sathiyendiran M. Rhenium(I)-Based Monocyclic and Bicyclic Phosphine Oxide-Coordinated Supramolecular Complexes. ACS OMEGA 2016; 1:507-517. [PMID: 31457144 PMCID: PMC6640797 DOI: 10.1021/acsomega.6b00187] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 09/19/2016] [Indexed: 06/10/2023]
Abstract
Neutral, flexible ditopic phosphine (P-P) or phosphine oxide (O=P-P=O) donors, rigid anionic bis-chelating oxygen donors, and Re2(CO)10 were used to assemble ten phosphine oxide (P=O)-donor-based neutral monocyclic M2LL'-, bicyclic M4L2L″-, and bicyclic M4LL'2-type supramolecular coordination complexes (SCCs). A soft ditopic phosphine donor was transformed into a hard ditopic phosphine oxide donor, during the formation of the cyclic complexes 1-3, 5-6, and 9-10. Complexes 4, 7, and 8 were obtained using a hard P=O donor ligand. These SCCs were characterized using elemental analysis, FTIR, NMR, and single-crystal X-ray diffraction analysis. The absorption properties of 1-8 were studied using absorption UV-vis spectroscopic methods, and the results were analyzed using theoretical calculations. The results revealed that the neutral P=O donor significantly influenced the photophysical properties by enhancing the absorption coefficient in the visible region.
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50
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Li YZ, Ganguly R, Leong WK. Oxidative addition of halogen across an Os-Os or Os-Sb bond: Formation of five-membered osmium-antimony carbonyl rings. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.03.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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