1
|
Dehbanipour Z, Mongashti A. The efficient heterogeneous catalyst containing copper (II) bis-benzothiazole complex supported on functionalized magnetic nanoparticles used for epoxidation of alkenes with tert-BuOOH. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
2
|
Navarro MÁ, Amaro-Gahete J, Ruiz JR, Jiménez-Sanchidrián C, Romero-Salguero FJ, Esquivel D. Copper-complexed dipyridyl-pyridazine functionalized periodic mesoporous organosilica as a heterogeneous catalyst for styrene epoxidation. Dalton Trans 2022; 51:4884-4897. [PMID: 35260869 DOI: 10.1039/d2dt00018k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new heterogeneous catalyst has been synthesized by immobilization of a copper complex on dipyridyl-pyridazine functionalized periodic mesoporous organosilica (dppz-vPMO). This ordered support was first prepared by a co-condensation reaction between vinyltriethoxysilane and 1,2-bis(trimethoxysilyl)ethane and further post-functionalized through a hetero Diels-Alder reaction with 3,6-di-2-pyridyl-1,2,4,5-tetrazine. Techniques such as XRD, N2 isotherms, TEM, 13C NMR, XPS and DRIFT, among others, were employed to characterize the surface functionalized materials. These results have proven the ordered mesostructure of the materials as well as the presence of novel nitrogen-chelating heterocyclic compounds on the pore surface after the post-modification process. Additionally, the successful anchoring of a copper complex on the dipyridyl-pyridazine (dppz) ligands has been confirmed. The resulting material was evaluated as a heterogeneous catalyst in the epoxidation of styrene using tert-butylhydroperoxide (TBHP) as an oxidant. Under the optimized reaction conditions, Cu@dppz-vPMO showed a high styrene conversion (86.0%) and a remarkable selectivity to styrene oxide (41.9%). Indeed, this catalyst provided excellent catalytic results in terms of stability, reaction rate, conversion and selectivity compared to other bipyridine-like copper catalysts.
Collapse
Affiliation(s)
- M Ángeles Navarro
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| | - Juan Amaro-Gahete
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| | - José R Ruiz
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| | - César Jiménez-Sanchidrián
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| | - Francisco J Romero-Salguero
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| | - Dolores Esquivel
- Departamento de Química Orgánica, Instituto Universitario de Nanoquímica (IUNAN), Facultad de Ciencias, Universidad de Córdoba, 14071 Córdoba, Spain.
| |
Collapse
|
3
|
Shi NN, Xie WJ, Zhang DM, Fan YH, Cui LS, Wang M. A mononuclear copper complex as bifunctional electrocatalyst for CO2 reduction and water oxidation. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
4
|
Mahdavinia GR, Soleymani M, Nikkhoo M, Farnia SMF, Amini M. Magnetic (chitosan/laponite)-immobilized copper(ii) ions: an efficient heterogeneous catalyst for azide–alkyne cycloaddition. NEW J CHEM 2017. [DOI: 10.1039/c6nj03862j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Under a green protocol and using Cu2+-loaded magnetic chitosan/laponite catalytic system, CuAAC reactions were successfully performed to obtain 1,4-disubstituted-1,2,3-triazoles in good to excellent yields.
Collapse
Affiliation(s)
- Gholam Reza Mahdavinia
- Polymer Research Laboratory
- Department of Chemistry
- Faculty of Science
- University of Maragheh
- Maragheh
| | - Moslem Soleymani
- Department of Polymer Engineering
- Faculty of Engineering
- University of Maragheh
- Maragheh
- Iran
| | | | | | - Mojtaba Amini
- Polymer Research Laboratory
- Department of Chemistry
- Faculty of Science
- University of Maragheh
- Maragheh
| |
Collapse
|
5
|
Tarasi R, Ramazani A, Ghorbanloo M, Khoobi M, Aghahosseini H, Joo SW, Shafiee A. Preparation and Characterization of MCM-41@PEI·Mn as a New Organic-Inorganic Hybrid Nanomaterial and Study of its Catalytic Role in the Oxidation of Cyclohexene, Ethyl Benzene, and Toluene in the Presence of H2O2as an Oxidant. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10717] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Ali Ramazani
- Department of Chemistry; University of Zanjan; Zanjan Iran
| | | | - Mehdi Khoobi
- Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center; Tehran University of Medical Sciences; Tehran 14176 Iran
- Medical Biomaterials Research Center; Tehran University of Medical Sciences; Tehran 14176 Iran
| | | | - Sang Woo Joo
- School of Mechanical Engineering; Yeungnam University; Gyeongsan 712-749 Republic of Korea
| | - Abbas Shafiee
- Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center; Tehran University of Medical Sciences; Tehran 14176 Iran
| |
Collapse
|
6
|
Turmanova SC, Dimitrov IV, Ivanova ED, Vassilev KG. Complexes of hybrid copolymers with heavy metals: preparation, properties and application as catalysts for oxidation. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1338-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
|
7
|
Gao S, Tang RR, Zhou Y. Carbonylation of cyclohexene to 2-cyclohexene-1-one by montmorillonite-supported Co(II) catalysts. CHEMICAL PAPERS 2015. [DOI: 10.1515/chempap-2015-0130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractA novel environmentally-friendly catalytic system for the carbonylation of cyclohexene with molecular oxygen under conditions of mild temperature, and under an atmospheric oxygen pressure is presented. In this system, a series of readily-prepared cobalt complexes of 2-aminophenol and its derivatives immobilised onto montmorillonite were used as catalysts. The catalysts were characterised by FT-IR, elemental analysis, thermogravimetric analysis, powder X-ray diffraction, diffuse reflectance ultraviolet visible spectra, scanning electron microscopic measurements, transmission electron microscopic measurements and the Brunauer-Emmett-Teller method. The effects of various reaction conditions such as catalyst dosage, temperature and time were optimised, obtaining an 88.7 % conversion with 72.0 % selectivity of 2-cyclohexene-1-one in 6 h. The results show that the catalytic activity of the cobalt complexes encapsulated in montmorillonite is higher than those of the free complexes. In addition, the heterogeneous catalysts were stable and can be recycled up to five times without any noticeable change in the catalytic activity.
Collapse
|
8
|
Nikje MMA, Nataj MG. Cloisite 15Aº nanoclay as an effective PTC for the epoxidation of hydroxyl terminated polybutadiene (HTPB). POLIMEROS 2014. [DOI: 10.1590/0104-1428.1622] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
9
|
Huang D, Wang C, Song Y. Immobilized complexes of the salen Schiff’s base with metal as oxidation catalysts. RUSS J GEN CHEM+ 2014. [DOI: 10.1134/s1070363213120281] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
10
|
Encapsulation of tetraazamacrocyclic complexes of cobalt(II), copper(II) and oxovanadium(IV) in zeolite-Y and their use as catalysts for the oxidation of styrene. TRANSIT METAL CHEM 2013. [DOI: 10.1007/s11243-012-9684-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
11
|
Modi C, Trivedi PM. Zeolite-Y encapsulated nanohybrid materials: synthesis, spectroscopic characterization, and catalytic significance. J COORD CHEM 2012. [DOI: 10.1080/00958972.2012.656616] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- C.K. Modi
- a Department of Chemistry , Bhavnagar University , Bhavnagar – 364 002 , Gujarat , India
| | - Parthiv M. Trivedi
- a Department of Chemistry , Bhavnagar University , Bhavnagar – 364 002 , Gujarat , India
| |
Collapse
|
12
|
Transition metal complexes enslaved in the supercages of zeolite-Y: DFT investigation and catalytic significance. J INCL PHENOM MACRO 2011. [DOI: 10.1007/s10847-011-0090-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
|
13
|
Monteiro B, Gago S, Balula SS, Valente AA, Gonçalves IS, Pillinger M. Liquid-phase oxidation catalysed by copper(II) immobilised in a pillared layered double hydroxide. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcata.2009.06.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
14
|
Itadani A, Tanaka M, Abe T, Taguchi H, Nagao M. Al-pillared montmorillonite clay minerals: Low-pressure CO adsorption at room temperature. J Colloid Interface Sci 2007; 313:747-50. [PMID: 17561068 DOI: 10.1016/j.jcis.2007.04.074] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2007] [Revised: 04/25/2007] [Accepted: 04/28/2007] [Indexed: 10/23/2022]
Abstract
Three kinds of Al-pillared montmorillonite clay minerals (AlPMON) ion-exchanged with cobalt(II), nickel(II), or copper(II) ions were prepared (abbreviated as CoAlPMON, NiAlPMON, or CuAlPMON, respectively). For the 673-K- and 873-K-treated samples, carbon monoxide (CO) adsorption measurement was performed at room temperature under an atmosphere of low CO pressure. The 873-K-treated CuAlPMON sample exhibited more efficient adsorption properties for CO molecules, in comparison with both-temperatures-treated CoAlPMON and NiAlPMON samples and the 673-K-treated CuAlPMON sample. In addition, irreversibly adsorbed CO was present only on the CuAlPMON sample that had been treated at 873 K; the sites responsible for strong CO adsorption were formed in the sample after the pretreatment at the higher temperature.
Collapse
Affiliation(s)
- Atsushi Itadani
- Research Laboratory for Surface Science, Faculty of Science, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan.
| | | | | | | | | |
Collapse
|
15
|
Tanaka M, Itadani A, Abe T, Taguchi H, Nagao M. Observation of characteristic IR band assignable to dimerized copper ions in montmorillonite. J Colloid Interface Sci 2007; 308:285-8. [PMID: 17234201 DOI: 10.1016/j.jcis.2006.12.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2006] [Revised: 11/28/2006] [Accepted: 12/03/2006] [Indexed: 11/29/2022]
Abstract
Copper ion-exchanged montmorillonite clays, which had been prepared by ion exchange in an aqueous solution of CuCl(2) at a temperature above 323 K, exhibited the characteristic IR band in the region 3360-3310 cm(-1). No such bands were observed for the samples prepared by using different ion-exchange solutions and at different temperatures. From the spectroscopic observations, it was revealed that the ion-exchanged copper ions (Cu(2+)) are in the form of dimerized species by bridging two hydroxyls, [Cu(2+) <(OH(-)(2) > Cu(2+)], in montmorillonite.
Collapse
Affiliation(s)
- Masashi Tanaka
- Research Laboratory for Surface Science, Faculty of Science, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
| | | | | | | | | |
Collapse
|
16
|
Immobilized Vitamin B12 within nanoreactors of MCM-41 as selective catalyst for oxidation of organic substrates. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.molcata.2005.08.058] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
17
|
|
18
|
Distribution and properties of catalytically active Cu2+-sites on a mesoporous MCM-41 silicate modified by Al, Zr, W, B, or P ions. Catal Today 2005. [DOI: 10.1016/j.cattod.2005.09.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
19
|
Singh UG, Williams RT, Hallam KR, Allen GC. Exploring the distribution of copper–Schiff base complex covalently anchored onto the surface of mesoporous MCM 41 silica. J SOLID STATE CHEM 2005. [DOI: 10.1016/j.jssc.2005.08.023] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|