1
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Kumar R, Prakash V, Sankar M. Synthesis of Vanadyl Complexes of N-Confused Porphyrins and Their Bromoperoxidase-like Catalytic Activity. Inorg Chem 2024; 63:12506-12515. [PMID: 38912934 DOI: 10.1021/acs.inorgchem.4c01222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Two new vanadyl complexes of N-confused porphyrins (NCPs), [VONCTPP] (V-1) and [VONCP(OMe)8] (V-2), have been synthesized for the first time and investigated as a catalyst for the oxidative bromination reaction of phenol and its derivatives. This article further delineates crystal structures, photophysical, and redox properties of both the vanadyl complexes. Complexes V-1 and V-2 exhibited a significant red shift in their absorption spectra compared with their respective free bases. The single-crystal structure of V-1 revealed that the complex is in the 2H tautomeric form, while EPR studies revealed the +4 oxidation state of vanadium metal having an axial compression with dxy1 configuration. Catalytic potential for bromoperoxidases-like activity has been explored for both complexes V-1 and V-2 for the first time in NCP chemistry with excellent TOF values (4.7-6.3 s-1 for V-1 and 7.3-8.7 s-1 for V-2) using KBr as a source of bromine and H2O2 as a green oxidant in aqueous acidic medium at 298 K. Notably, both catalysts show excellent recyclability over five cycles. The vanadyl-metalated NCPs exhibit excellent stability in the air.
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Affiliation(s)
- Rajesh Kumar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Ved Prakash
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
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2
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Yadav SK, Patter A, Sankar M. Enhanced Catalytic Activity of Binuclear Oxidovanadium(IV) Bisbenzimidazole Linked Porphyrin Dimer for the Generation of Biologically Active 3,4-Dihydropyrimidinones and Their Corresponding Thiones. Inorg Chem 2024; 63:11102-11112. [PMID: 38831586 DOI: 10.1021/acs.inorgchem.4c00701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Binuclear vanadyl(IV) porphyrin (V2BP), where two vanadium(IV) porphyrin macrocycles are linked through benzimidazole units at the β-positions, has been prepared and characterized with various techniques, such as UV-vis, Fourier transform-infrared, electron paramagnetic resonance, cyclic voltammetry, density functional transform calculations, and mass spectrometry. V2BP exhibits a red shift (Δλmax = 10 nm) in the Soret band as compared with unsubstituted parent vanadyl(IV) meso-tetraphenylporphyrin (VP). The synthesized binuclear vanadyl(IV) porphyrin (V2BP) has further been studied as a catalyst to explore a single-pot multicomponent Biginelli reaction producing biologically active 3,4-dihydropyrimidin-2-(1H)-one (DHPM)-based biomolecules and the corresponding thiones under solvent-free conditions and its catalytic activity has been compared with vanadyl(IV) meso-tetraphenylporphyrin (VP). Several reaction conditions, such as the amount of catalyst, time, solvent, and temperature, have been optimized to obtain the maximum yield of DHPMs or thiones. The synthesized β-functionalized V2BP porphyrin dimer manifests much higher conversion (84-95% yield) of DHPMs or the corresponding thiones under the optimized reaction conditions with high TON (4454-5037) and TOF (1113-1259 h-1) values for the one-pot multicomponent Biginelli reaction as compared to the literature. The catalyst exhibited excellent recyclability up to 10 cycles.
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Affiliation(s)
- Sumit Kumar Yadav
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Akhil Patter
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
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3
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Diaz-Uribe C, Rangel D, Vallejo W, Valle R, Hidago-Rosa Y, Zarate X, Schott E. Photophysical characterization of tetrahydroxyphenyl porphyrin Zn(II) and V(IV) complexes: experimental and DFT study. Biometals 2023; 36:1257-1272. [PMID: 37344742 DOI: 10.1007/s10534-023-00514-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/26/2023] [Indexed: 06/23/2023]
Abstract
Photodynamic therapy (PDT) is a promising technique for the treatment of various diseases. In this sense, the singlet oxygen quantum yield (Φ∆) is a physical-chemical property that allows to stablish the applicability of a potential photosensitizers (PS) as a drug for PDT. In the herein report, the Φ∆ of three photosensitizers was determined: metal-free tetrahydroxyphenyl porphyrin (THPP), THPP-Zn and the THPP-V metal complexes. Their biological application was also evaluated. Therefore, the in vitro study was carried out to assess their biological activity against Escherichia coli. The metal-porphyrin complexes exhibited highest activities against the bacterial strain Escherichia coli. at the highest concentration (175 μg/mL) and show better activity than the free base ligand (salts and blank solution). Results indicated a relation between Φ∆ and the inhibitory activity against Escherichia coli, thus, whereas higher is the Φ∆, higher is the inhibitory activity. The values of the Φ∆ and the inhibitory activity follows the tendency THPP-Zn > THPP > THPP-V. Furthermore, quantum chemical calculations allowed to gain deep insight into the electronic and optical properties of THPP-Zn macrocycle, which let to verify the most probable energy transfer pathway involved in the singlet oxygen generation.
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Affiliation(s)
- Carlos Diaz-Uribe
- Grupo de Investigación en Fotoquímica y Fotobiología. Programa de Química. Facultad de Ciencias Básicas, Universidad del Atlántico, 081007, Puerto Colombia, Colombia.
| | - Daily Rangel
- Grupo de Investigación en Fotoquímica y Fotobiología. Programa de Química. Facultad de Ciencias Básicas, Universidad del Atlántico, 081007, Puerto Colombia, Colombia
| | - William Vallejo
- Grupo de Investigación en Fotoquímica y Fotobiología. Programa de Química. Facultad de Ciencias Básicas, Universidad del Atlántico, 081007, Puerto Colombia, Colombia
| | - Roger Valle
- Programa de Biología, Facultad de Ciencias Básicas, Universidad del Atlántico, 081007, Puerto Colombia, Colombia
| | - Yoan Hidago-Rosa
- Departamento de Química Inorgánica, Facultad de Química y Farmacia, Centro de Energía UC, Centro de Investigación en Nanotecnología y Materiales Avanzados CIEN-UC, Pontificia, Universidad Católica de Chile, Avenida Vicuña Mackenna, 4860, Santiago, Chile
- Facultad de Ingeniería, Universidad Finis Terrae, Av. Pedro de Valdivia, 1509, Santiago, Providencia, Chile
| | - Ximena Zarate
- Facultad de Ingeniería, Instituto de Ciencias Químicas Aplicadas, Universidad Autónoma de Chile, Av. Pedro de Valdivia 425, Santiago, Chile.
| | - Eduardo Schott
- Departamento de Química Inorgánica, Facultad de Química y Farmacia, Centro de Energía UC, Centro de Investigación en Nanotecnología y Materiales Avanzados CIEN-UC, Pontificia, Universidad Católica de Chile, Avenida Vicuña Mackenna, 4860, Santiago, Chile.
- Millennium Nucleus in Catalytic Processes Towards Sustainable Chemistry (CSC), Santiago, Chile.
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4
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Chen J, Wang Y, Chen C, To CT. Mechanochemical
β
‐Halogenation of nickel(II) porphyrins at room temperature. J CHIN CHEM SOC-TAIP 2023. [DOI: 10.1002/jccs.202300055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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5
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Yadav I, Prakash V, Maurya MR, Sankar M. Oxido-Molybdenum(V) Corroles as Robust Catalysts for Oxidative Bromination and Selective Epoxidation Reactions in Aqueous Media under Mild Conditions. Inorg Chem 2023; 62:5292-5301. [PMID: 36958040 DOI: 10.1021/acs.inorgchem.3c00504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Abstract
Two new meso-substituted oxido-molybdenum corroles were synthesized and characterized by various spectroscopic techniques. In the thermogram, MoO[TTC] (1) exhibited excellent thermal stability up to 491 °C while MoO[TNPC] (2) exhibited good stability up to 318 °C. The oxidation states of the molybdenum(V) were verified by electron paramagnetic resonance (EPR) spectroscopy and exhibited an axial compression with dxy1 configuration. Oxido-molybdenum(V) complexes were utilized for the selective epoxidation of various olefins with high TOF values (2066-3287 h-1) in good yields in a CH3CN/H2O (3:2, v/v) mixture in the presence of hydrogen peroxide as a green oxidant and NaHCO3 as a promoter. The oxidative bromination catalytic activity of oxido-molybdenum(V) complexes in an aqueous medium has been reported for the first time. Surprisingly, MoO[TNPC] (2) biomimics of the vanadium bromoperoxidase (VBPO) enzyme activity exhibited remarkably high TOF values (36 988-61 646 h-1) for the selective oxidative bromination of p-cresol and other phenol derivatives. Catalyst MoO[TNPC] (2) exhibited higher TOF values and better catalytic activity than catalyst MoO[TTC] (1) due to the presence of electron-withdrawing nitro groups evident from cyclic voltammetric studies.
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Affiliation(s)
- Inderpal Yadav
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Ved Prakash
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Mannar R Maurya
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
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6
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Maurya MR, Prakash V, Dar TA, Sankar M. Facile Synthesis of β-Tetracyano Vanadyl Porphyrin from Its Tetrabromo Analogue and Its Excellent Catalytic Activity for Bromination and Epoxidation Reactions. ACS OMEGA 2023; 8:6391-6401. [PMID: 36844578 PMCID: PMC9948182 DOI: 10.1021/acsomega.2c06638] [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: 10/14/2022] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
Complex 2,3,12,13-tetracyano-5,10,15,20-tetraphenylporphyrinatooxidovanadium(IV) {[VIVOTPP(CN)4], 2} has been prepared by nucleophilic substitution of β-bromo groups of the corresponding 2,3,12,13-tetrabromo-5,10,15,20-tetraphenylporphyrinatooxidovanadium(IV) {[VIVOTPP(Br)4], 1} using CuCN in quinoline. Both complexes show biomimetic catalytic activity similar to enzyme haloperoxidases and efficiently brominate various phenol derivatives in the presence of KBr, H2O2, and HClO4 in the aqueous medium. Between these two complexes, 2 exhibits excellent catalytic activity with high turnover frequency (35.5-43.3 s-1) due to the strong electron-withdrawing nature of the cyano groups attached at β-positions and its moderate nonplanar structure as compared to 1 (TOF = 22.1-27.4 s-1). Notably, this is the highest turnover frequency value observed for any porphyrin system. The selective epoxidation of various terminal alkenes using complex 2 has also been carried out, and the results are good, specifying the importance of electron-withdrawing cyano groups. Catalysts 1 and 2 are recyclable, and the catalytic activity proceeds through the corresponding [VVO(OH)TPP(Br)4] and [VVO(OH)TPP(CN)4] intermediates, respectively.
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7
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Mishra VK, Chaudhary N, Haldar C. Electronically Tuned Copper Porphyrins for the Selective Epoxidation of Alkenes. Top Catal 2022. [DOI: 10.1007/s11244-022-01764-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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8
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Myltykbayeva ZK, Seysembekova A, Moreno BM, Sánchez-Tovar R, Fernández-Domene RM, Vidal-Moya A, Solsona B, López Nieto JM. V-Porphyrins Encapsulated or Supported on Siliceous Materials: Synthesis, Characterization, and Photoelectrochemical Properties. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7473. [PMID: 36363063 PMCID: PMC9658604 DOI: 10.3390/ma15217473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/14/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
Metalloporphyrin-containing mesoporous materials, named VTPP@SBA, were prepared via a simple anchoring of vanadyl porphyrin (5,10,15,20-Tetraphenyl-21H,23H-porphine vanadium(IV) oxide) through a SBA-15-type mesoporous material. For comparison, vanadyl porphyrin was also impregnated on SiO2 (VTPP/SiO2). The characterization results of catalysts by XRD, FTIR, DR-UV-vis, and EPR confirm the incorporation of vanadyl porphyrin within the mesoporous SBA-15. These catalysts have also been studied using electrochemical and photoelectrochemical methods. Impedance measurements confirmed that supporting the porphyrin in silica improved the electrical conductivity of samples. In fact, when using mesoporous silica, current densities associated with oxidation/reduction processes appreciably increased, implying an enhancement in charge transfer processes and, therefore, in electrochemical performance. All samples presented n-type semiconductivity and provided an interesting photoelectrocatalytic response upon illumination, especially silica-supported porphyrins. This is the first time that V-porphyrin-derived materials have been tested for photoelectrochemical applications, showing good potential for this use.
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Affiliation(s)
- Zhannur K. Myltykbayeva
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
- Al-Farabi Kazakh National University, 71 Al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Anar Seysembekova
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
- Al-Farabi Kazakh National University, 71 Al-Farabi Ave., Almaty 050040, Kazakhstan
| | - Beatriz M. Moreno
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Rita Sánchez-Tovar
- Departament d’Enginyeria Química, Universitat de València, Av. de les Universitats, s/n, 46100 Burjassot, Spain
| | - Ramón M. Fernández-Domene
- Departament d’Enginyeria Química, Universitat de València, Av. de les Universitats, s/n, 46100 Burjassot, Spain
| | - Alejandro Vidal-Moya
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Benjamín Solsona
- Departament d’Enginyeria Química, Universitat de València, Av. de les Universitats, s/n, 46100 Burjassot, Spain
| | - José M. López Nieto
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
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9
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Ishizuka T, Grover N, Kingsbury CJ, Kotani H, Senge MO, Kojima T. Nonplanar porphyrins: synthesis, properties, and unique functionalities. Chem Soc Rev 2022; 51:7560-7630. [PMID: 35959748 DOI: 10.1039/d2cs00391k] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Porphyrins are variously substituted tetrapyrrolic macrocycles, with wide-ranging biological and chemical applications derived from metal chelation in the core and the 18π aromatic surface. Under suitable conditions, the porphyrin framework can deform significantly from regular planar shape, owing to steric overload on the porphyrin periphery or steric repulsion in the core, among other structure modulation strategies. Adopting this nonplanar porphyrin architecture allows guest molecules to interact directly with an exposed core, with guest-responsive and photoactive electronic states of the porphyrin allowing energy, information, atom and electron transfer within and between these species. This functionality can be incorporated and tuned by decoration of functional groups and electronic modifications, with individual deformation profiles adapted to specific key sensing and catalysis applications. Nonplanar porphyrins are assisting breakthroughs in molecular recognition, organo- and photoredox catalysis; simultaneously bio-inspired and distinctly synthetic, these molecules offer a new dimension in shape-responsive host-guest chemistry. In this review, we have summarized the synthetic methods and design aspects of nonplanar porphyrin formation, key properties, structure and functionality of the nonplanar aromatic framework, and the scope and utility of this emerging class towards outstanding scientific, industrial and environmental issues.
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Affiliation(s)
- Tomoya Ishizuka
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba and CREST (JST), 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan.
| | - Nitika Grover
- School of Chemistry, Chair of Organic Chemistry, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Christopher J Kingsbury
- School of Chemistry, Chair of Organic Chemistry, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Hiroaki Kotani
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba and CREST (JST), 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan.
| | - Mathias O Senge
- Institute for Advanced Study (TUM-IAS), Technical University of Munich, Focus Group - Molecular and Interfacial Engineering of Organic Nanosystems, Lichtenbergstrasse 2a, 85748 Garching, Germany.
| | - Takahiko Kojima
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba and CREST (JST), 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan.
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10
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Monika, Ansari A. Effect of the ring size of TMC ligands in controlling C-H bond activation by metal-superoxo species. Dalton Trans 2022; 51:5878-5889. [PMID: 35347335 DOI: 10.1039/d2dt00491g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Metal-superoxo species play a very important role in many metal-mediated catalytic transformation reactions. Their catalytic reactivity is affected by many factors such as the nature of metal ions and ring size of ligands. Herein, for the first time, we report DFT calculations on the electronic structures of a series of metal-superoxo species (M = V, Cr, Mn, Fe, and Co) with two ring size ligands, i.e., 13-TMC/14-TMC, and a detailed mechanistic study on the C-H bond activation of cyclohexa-1,4-diene followed by the effect of the ring size of ligands. Our DFT results showed that the electron density at the distal oxygen plays an important role in C-H bond activation. By computing the energetics of C-H bond activation and mapping the potential energy surface, it was found that the initial hydrogen abstraction is the rate-determining step with both TMC rings and all the studied metal-superoxo species. The significant electron density at the cyclohex-1,4-diene carbon indicates that the reaction proceeds via the proton-coupled electron transfer mechanism. By mapping the potential energy surfaces, we found that the 13-TMC ligated superoxo with the anti-isomer are more reactive than the 14-TMC superoxo species except for the iron-superoxo species where the 14-TMC ligated superoxo species is more reactive i.e. smaller ring size TMC is more reactive towards C-H bond activation. This is also supported by the structural correlation, i.e., the greater contraction in the smaller ring results in the metal being pushed out of plane along the z-axis, which reduces the steric hindrance. Thus, the ring size can help in designing catalysts with better efficiency for catalytic reactions.
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Affiliation(s)
- Monika
- Department of Chemistry, Central University of Haryana, India, 123031.
| | - Azaj Ansari
- Department of Chemistry, Central University of Haryana, India, 123031.
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11
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β-Pyrrole functionalized porphyrins: Synthesis, electronic properties, and applications in sensing and DSSC. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214312] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Nayak P, Nayak M, Meena K, Kar S. Oxo(corrolato)vanadium( iv) catalyzed epoxidation: oxo(peroxo)(corrolato)vanadium( v) is the true catalytic species. NEW J CHEM 2022. [DOI: 10.1039/d1nj06015e] [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
Oxo(corrolato)vanadium(iv) complexes are highly efficient oxidizers in the presence of H2O2 and KHCO3, and oxo(peroxo)(corrolato)vanadium(v) complexes are the catalytic intermediate.
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Affiliation(s)
- Panisha Nayak
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar – 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Manisha Nayak
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar – 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Kiran Meena
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar – 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Sanjib Kar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar – 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
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13
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Maurya MR, Prakash V, Sankar M. Selective epoxidation of olefins by vanadylporphyrin [VIVO(TPP)] and electron deficient nonplanar β-octabromovanadylporphyrin [VIVO(TPPBr8)]. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s108842462250002x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Meso-tetraphenylporphyrinatooxidovanadium(IV) [VIVO(TPP)] (1) and 2,3,7,8,12,13, 17,18-octabromo-meso-tetraphenylporphyrinatooxidovanadium(IV) [VIVO(TPPBr[Formula: see text]] (2) were synthesized and characterized by various spectroscopic techniques. 1 and 2 were utilized as efficient catalysts for the selective epoxidation of olefins. Catalyst 2 shows very high catalytic activity (TOF = 8783–13108 h[Formula: see text] as compared to 1 (TOF = 2175–3296 h[Formula: see text]. The catalysts are recyclable, as their recyclability was checked for four cycles and show only minor reduction of their efficiency.
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Affiliation(s)
- Mannar R. Maurya
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, India
| | - Ved Prakash
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, India
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14
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Maurya MR, Prakash V, Avecilla F, Sankar M. Selective Bromination of
β
‐Positions of Porphyrin by Self‐Catalytic Behaviour of VOTPP: Facile Synthesis, Electrochemical Redox Properties and Catalytic Application. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mannar R. Maurya
- Department of Chemistry Indian Institute of Technology Roorkee Roorkee 247667 India
| | - Ved Prakash
- Department of Chemistry Indian Institute of Technology Roorkee Roorkee 247667 India
| | - Fernando Avecilla
- Grupo Xenomar, Centro de Investigacións Científicas Avanzadas (CICA), Departamento de Química, Facultade de Ciencias Universidade da Coruña Campus de A Coruña 15071 A Coruña Spain
| | - Muniappan Sankar
- Department of Chemistry Indian Institute of Technology Roorkee Roorkee 247667 India
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15
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Masteri-Farahani M, Rahimi M, Hosseini MS. Heterogenization of porphyrin complexes within the nanocages of SBA-16: New efficient and stable catalysts for the epoxidation of olefins. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Xia Z, Li F, Xu L, Feng P. A stable and highly selective metalloporphyrin based framework for the catalytic oxidation of cyclohexene. Dalton Trans 2020; 49:11157-11162. [PMID: 32744270 DOI: 10.1039/d0dt01420f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new metalloporphyrin framework of molybdenum Mo2O4(C48H28N4O8)·(CH3)2NH·5H2O·2DMF (Mo2TCPP) was synthesized from tetrakis(4-carboxyphenyl)porphyrin (H4TCPP) and sodium molybdate dihydrate by a hydrothermal method. Mo2TCPP is a 3D network with two sub-units, in which both TCPP ligands and each Mo2 dimer act as four connection nodes. The crystal structure was determined by single crystal analysis and further characterized by FTIR, SEM, EDX, PXRD, XPS and TGA. Here cumene hydrogen peroxide and hydrogen peroxide were used as oxidants to study the catalytic activity of new metalloporphyrins in the oxidation of cyclohexene at different temperatures. The conversion rate of cyclohexene and the selectivity of epoxycyclohexane were both higher than 99%, which was better than the previously published research results. The stability of the catalyst before and after the reaction was further tested for 10 runs without obvious degradation. The catalyst was stable in different solutions such as acidic, water and alkaline. These results shed light on the future development of new catalytic materials based on metalloporphyrin.
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Affiliation(s)
- Zhinan Xia
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, P. R. China.
| | - Fengyan Li
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, P. R. China. and Department of Chemistry, University of California, Riverside, California 92521, USA.
| | - Lin Xu
- Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, P. R. China.
| | - Pingyun Feng
- Department of Chemistry, University of California, Riverside, California 92521, USA.
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17
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Liu J, Yang G, Liu Y, Zhou Z, Zhang Z, Hu X. Selective Oxidation of Cyclohexene with H2O2 Catalyzed by Resin Supported Peroxo Phosphotungstic Acid Under Mild Conditions. Catal Letters 2020. [DOI: 10.1007/s10562-020-03273-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Rathi P, Ekta, Kumar S, Banerjee D, Soma VR, Sankar M. Unsymmetrical β-functionalized ‘push–pull’ porphyrins: synthesis and photophysical, electrochemical and nonlinear optical properties. Dalton Trans 2020; 49:3198-3208. [DOI: 10.1039/c9dt04252k] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A new family of unsymmetrical β-TPA appended ‘push–pull’ porphyrins has been synthesized in good yield for the first time. They exhibited red shifted broad absorption spectral features with high dipole moments and tunable redox properties.
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Affiliation(s)
- Pinki Rathi
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
| | - Ekta
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
| | - Sandeep Kumar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
| | - Dipanjan Banerjee
- Advanced Centre of Research in High Energy Materials (ACRHEM)
- University of Hyderabad
- Hyderabad 500046
- India
| | - Venugopal Rao Soma
- Advanced Centre of Research in High Energy Materials (ACRHEM)
- University of Hyderabad
- Hyderabad 500046
- India
| | - Muniappan Sankar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
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19
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Mubarak MQE, de Visser SP. Reactivity patterns of vanadium(iv/v)-oxo complexes with olefins in the presence of peroxides: a computational study. Dalton Trans 2019; 48:16899-16910. [PMID: 31670737 DOI: 10.1039/c9dt03048d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Vanadium porphyrin complexes are naturally occurring substances found in crude oil and have been shown to have medicinal properties as well. Little is known on their activities with substrates; therefore, we decided to perform a detailed density functional theory study on the properties and reactivities of vanadium(iv)- and vanadium(v)-oxo complexes with a TPPCl8 or 2,3,7,8,12,13,17,18-octachloro-meso-tetraphenylporphyrinato ligand system. In particular, we investigated the reactivity of [VV(O)(TPPCl8)]+ and [VIV(O)(TPPCl8)] with cyclohexene in the presence of H2O2 or HCO4-. The work shows that vanadium(iv)-oxo and vanadium(v)-oxo are sluggish oxidants by themselves and react with olefins slowly. However, in the presence of hydrogen peroxide, these metal-oxo species can be transformed into a side-on vanadium-peroxo complex, which reacts with substrates more efficiently. Particularly with anionic axial ligands, the side-on vanadium-peroxo and vanadium-oxo complexes produced epoxides from cyclohexene via small barrier heights. In addition to olefin epoxidation, we investigated aliphatic hydroxylation mechanisms by the same oxidants and some oxidants show efficient and viable cyclohexene hydroxylation mechanisms. The work implies that vanadium-oxo and vanadium-peroxo complexes can react with double bonds through epoxidation, and under certain conditions also undergo hydroxylation, but the overall reactivity is highly dependent on the equatorial ligand, the local environment and the presence or absence of anionic axial ligands.
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Affiliation(s)
- M Qadri E Mubarak
- The Manchester Institute of Biotechnology and Department of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, UK.
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20
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Rathi P, Butcher R, Sankar M. Unsymmetrical nonplanar 'push-pull' β-octasubstituted porphyrins: facile synthesis, structural, photophysical and electrochemical redox properties. Dalton Trans 2019; 48:15002-15011. [PMID: 31556414 DOI: 10.1039/c9dt02792k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mixed substitution at the β-position of porphyrins influences their photophysical and electrochemical redox properties. Two new series of asymmetrically mixed β-octasubstituted porphyrins viz. MTPP(Ph)2Br5X (X = NO2 or Br and M = 2H, Co(ii), Ni(ii), Cu(ii), and Zn(ii)) have been synthesized and characterized by various spectroscopic techniques. The single crystal X-ray structure of H2TPP(NO2)(Ph)2Br5 showed a nonplanar saddle shape conformation of the macrocyclic core. Furthermore, the fully optimized geometries confirmed the saddle shape conformation of H2TPP(Ph)2Br5X (X = NO2 or Br). Electronic spectra revealed a significant bathochromic shift by appending both electron donor and acceptor substituents at the β-position of the meso-tetraphenylporphyrin skeleton, which reflects the following order H2TPP < H2TPP(NO2) < H2TPP(NO2)(Ph)2 < H2TPP(Ph)2Br6 < H2TPP(NO2)(Ph)2Br5. H2TPP(Ph)2Br5X (X = NO2 or Br) exhibited a significant bathochromic shift (Δλmax = 53-61 nm) in the Soret band and (Δλmax = 90-95 nm) in the longest wavelength Qx(0,0) band as compared to H2TPP. Nonplanar conformations and electron withdrawing β-substituents induce higher protonation and deprotonation constants for H2TPP(NO2)(Ph)2Br5 and H2TPP(Ph)2Br6 as compared to precursor porphyrins viz. H2TPP, H2TPP(NO2) and H2TPP(NO2)(Ph)2. The electronic spectral properties and redox potentials of MTPP(Ph)2Br5X (X = NO2 or Br and M = 2H, Co, Ni, Cu and Zn) are affected by β-substituents at the periphery of the porphyrin core. Redox tunability was achieved by appending push-pull substituents at the β-position of the MTPP (M = 2H, CoII, NiII, CuII, and ZnII) skeleton of the macrocycle. CuTPP(Ph)2Br6 and CuTPP(NO2)(Ph)2Br5 exhibited a dramatically reduced HOMO-LUMO gap with a difference of 0.55 V and 0.62 V, respectively as compared to CuTPP due to the push-pull effect of β-substituents and nonplanarity of the porphyrin core.
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Affiliation(s)
- Pinki Rathi
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee - 247667, India.
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21
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Dar TA, Tomar R, Mian RM, Sankar M, Maurya MR. Vanadyl β-tetrabromoporphyrin: synthesis, crystal structure and its use as an efficient and selective catalyst for olefin epoxidation in aqueous medium. RSC Adv 2019; 9:10405-10413. [PMID: 35520888 PMCID: PMC9062382 DOI: 10.1039/c8ra09825e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 03/07/2019] [Indexed: 12/30/2022] Open
Abstract
We hereby report the synthesis, characterization and catalytic applications in the epoxidation of alkenes by a vanadyl porphyrin having bulky bromo substituents at the β-positions viz. vanandyltetrabromotetraphenylporphyrin (1). The synthesized porphyrin was characterized by various spectroscopic techniques like UV-visible, FT-IR, EPR, MALDI-TOF mass spectrometry and single crystal X-ray analysis. Porphyrin 1 has a nonplanar structure as indicated by its X-ray structure, DFT and electrochemical studies. 1 was analyzed for its catalytic application in the epoxidation of various alkenes. The catalytic reactions were carried out in CH3CN/H2O mixture in 3 : 1 (v/v) ratio. 1 displayed good efficiency in terms of mild reaction conditions, lower reaction temperature and minimal catalyst amount consumption. 1 exhibited excellent selectivity, high conversion efficiency and huge TOF (7600–9800 h−1) in a significantly low reaction time of 0.5 h. Catalyst 1 was regenerated at the end of various catalytic cycles making it reusable and industrially important. We have synthesized β-tetrabromo-meso-tetraphenylporphyrinatooxidovanadium(iv) (VOTPPBr4) which possesses high thermal stability and nonplanar macrocyclic core. Further, it was utilized for selective epoxidation of olefins in good yields with very high TOF numbers.![]()
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Affiliation(s)
- Tawseef Ahmad Dar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee
- India
| | - Reshu Tomar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee
- India
| | - Rasel Mohammad Mian
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Muniappan Sankar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee
- India
| | - Mannar Ram Maurya
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee
- India
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22
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Ahmad Dar T, Mandeep, Sankar M. Synthesis, spectral and electrochemical redox properties of N-methyl fused nickel(II) porphyrin. J PORPHYR PHTHALOCYA 2018. [DOI: 10.1142/s1088424618501109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
[Formula: see text]-methyl fused nickel(II) porphyrin was synthesized by a facile synthetic route in excellent yield. The effect of the electron-donating methyl group on spectral and electrochemical redox properties was analyzed by comparing the electrochemistry with that of its precursors. [Formula: see text]-methylated fused nickel(II) porphyrin exhibited a red-shifted absorption spectrum ([Formula: see text] 6–13 nm) and a 180[Formula: see text]mV anodic shift in the first ring oxidation as well as a 210[Formula: see text]mV shift in reduction with respect to its Ni(II)-fused porphyrin precursor (Ni[Formula: see text]-(NH)TPP). However, the absorption spectral features and redox potentials of N-methyl fused nickel(II) porphyrin are marginally shifted as compared to its immediate precursor, [Formula: see text]-formyl Ni(II)-fused porphyrin. Notably, Ni(II)(N-CH[Formula: see text](CHO)TPP exhibited a third oxidation at 1.51[Formula: see text]mV, corresponding to oxidation of Ni(II) to Ni(III) due to the presence of “push–pull” [Formula: see text] substituents.
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Affiliation(s)
- Tawseef Ahmad Dar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee — 247667, India
| | - Mandeep
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee — 247667, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee — 247667, India
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23
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Langeslay RR, Kaphan DM, Marshall CL, Stair PC, Sattelberger AP, Delferro M. Catalytic Applications of Vanadium: A Mechanistic Perspective. Chem Rev 2018; 119:2128-2191. [PMID: 30296048 DOI: 10.1021/acs.chemrev.8b00245] [Citation(s) in RCA: 206] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The chemistry of vanadium has seen remarkable activity in the past 50 years. In the present review, reactions catalyzed by homogeneous and supported vanadium complexes from 2008 to 2018 are summarized and discussed. Particular attention is given to mechanistic and kinetics studies of vanadium-catalyzed reactions including oxidations of alkanes, alkenes, arenes, alcohols, aldehydes, ketones, and sulfur species, as well as oxidative C-C and C-O bond cleavage, carbon-carbon bond formation, deoxydehydration, haloperoxidase, cyanation, hydrogenation, dehydrogenation, ring-opening metathesis polymerization, and oxo/imido heterometathesis. Additionally, insights into heterogeneous vanadium catalysis are provided when parallels can be drawn from the homogeneous literature.
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Affiliation(s)
- Ryan R Langeslay
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States
| | - David M Kaphan
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States
| | - Christopher L Marshall
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States
| | - Peter C Stair
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States.,Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , Illinois 60208 , United States
| | - Alfred P Sattelberger
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States
| | - Massimiliano Delferro
- Chemical Sciences & Engineering Division , Argonne National Laboratory , Argonne , Illinois 60439 , United States
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24
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Calvete MJF, Piñeiro M, Dias LD, Pereira MM. Hydrogen Peroxide and Metalloporphyrins in Oxidation Catalysis: Old Dogs with Some New Tricks. ChemCatChem 2018. [DOI: 10.1002/cctc.201800587] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Mário J. F. Calvete
- Centro de Química de Coimbra (CQC); Department of Chemistry; University of Coimbra; Rua Larga 3004-535 Coimbra Portugal
| | - Marta Piñeiro
- Centro de Química de Coimbra (CQC); Department of Chemistry; University of Coimbra; Rua Larga 3004-535 Coimbra Portugal
| | - Lucas D. Dias
- Centro de Química de Coimbra (CQC); Department of Chemistry; University of Coimbra; Rua Larga 3004-535 Coimbra Portugal
| | - Mariette M. Pereira
- Centro de Química de Coimbra (CQC); Department of Chemistry; University of Coimbra; Rua Larga 3004-535 Coimbra Portugal
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25
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Recent advances on controllable and selective catalytic oxidation of cyclohexene. CHINESE JOURNAL OF CATALYSIS 2018. [DOI: 10.1016/s1872-2067(18)63050-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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26
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Chaudhri N, Butcher RJ, Sankar M. Synthesis and structural, photophysical, electrochemical redox and axial ligation properties of highly electron deficient perchlorometalloporphyrins and selective CN− sensing by Co(ii) complexes. NEW J CHEM 2018. [DOI: 10.1039/c7nj04418f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis and characterization of MTPP(NO2)Cl7 have been reported. ZnII porphyrins exhibited higher Lewis acidity as compared to perbromoporphyrins. CoII porphyrins were utilized for the selective rapid visual detection of cyanide ions.
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Affiliation(s)
- Nivedita Chaudhri
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
| | | | - Muniappan Sankar
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee 247667
- India
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27
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Bagherzadeh M, Ataie S, Mahmoudi H, Janczak J. Synthesis, structure characterization and study of a new molybdenum Schiff base complex as an epoxidation catalyst with very high turnover numbers. INORG CHEM COMMUN 2017. [DOI: 10.1016/j.inoche.2017.07.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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da Silva VS, dos Santos Vieira WC, Meireles AM, Ucoski GM, Nakagaki S, Idemori YM, DeFreitas-Silva G. Biomimetic oxidation of cyclic and linear alkanes: high alcohol selectivity promoted by a novel manganese porphyrin catalyst. NEW J CHEM 2017. [DOI: 10.1039/c6nj03072f] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel β-brominated Mn-porphyrin acts as a good catalyst for alkane (cyclohexane, adamantine and n-hexane) oxidation in biomimetic systems.
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Affiliation(s)
- Vinicius Santos da Silva
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais (UFMG)
- 31.270-901
- Belo Horizonte
| | | | - Alexandre Moreira Meireles
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais (UFMG)
- 31.270-901
- Belo Horizonte
| | - Geani Maria Ucoski
- Laboratório de Bioinorgânica e Catálise
- Departamento de Química – Centro Politécnico
- Universidade Federal do Paraná (UFPR)
- 81.531-980
- Curitiba
| | - Shirley Nakagaki
- Laboratório de Bioinorgânica e Catálise
- Departamento de Química – Centro Politécnico
- Universidade Federal do Paraná (UFPR)
- 81.531-980
- Curitiba
| | - Ynara Marina Idemori
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais (UFMG)
- 31.270-901
- Belo Horizonte
| | - Gilson DeFreitas-Silva
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais (UFMG)
- 31.270-901
- Belo Horizonte
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