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Di- and tetra-nuclear oxorhenium(V) complexes of benzoylthiourea derivative ligands: Synthesis, structural characterization, and catalytic applications. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Schachner JA, Belaj F, Mösch-Zanetti NC. Isomers in chlorido and alkoxido-substituted oxidorhenium(v) complexes: effects on catalytic epoxidation activity. Dalton Trans 2020; 49:11142-11149. [PMID: 32743619 DOI: 10.1039/d0dt02352c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The syntheses and characterizations of oxidorhenium(v) complexes trans-dichlorido [ReOCl2(PPh3)(L1a)] (trans-2a), cis-dichlorido [ReOCl2(PPh3)(L1b)] (cis-2b) and ethoxido-complex [ReO(OEt)(L1b)2] (4b), ligated with the dimethyloxazoline-phenol ligands HL1a and HL1b are described. The bidentate ligand HL1a (2-(4,4-dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-phenol) is unsubstituted on the phenol ring; ligand HL1b (2-(4,4-dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-4-nitrophenol) contains a nitro group in para-position to the hydroxy group. In the reaction of precursor complex [ReOCl3(PPh3)2] and HL1a the two stereoisomers cis/trans-2a, with respect to chlorido ligands, are formed. The solid state structures of both isomers cis- and trans-2a were determined by single crystal X-ray diffraction analysis. In contrast, with ligand HL1b, only the cis-isomer cis-2b was obtained. Ethoxido-complex 4b is exclusively obtained when precursor [ReOCl3(OPPh3)(SMe2)] is reacted with 2 equiv. of HL1b in ethanol in the presence of the base 2,6-dimethylpyridine (lutidine). If no lutidine is added, chlorido-complex [ReOCl(L1b)2] (3b) is obtained. Complexes [ReOCl2(PPh3)(L1a)] (cis/trans-2a), [ReOCl2(PPh3)(L1b)] (cis-2b), [ReO(OMe)(L1a)2] (4a) and [ReO(OEt)(L1b)2] (4b) were tested as homogeneous catalysts in the benchmark reaction of cyclooctene epoxidation. The influence of isomerism and effects of ligand substitutions on catalytic activity was investigated. Based on the time-conversion plots it can be concluded that cis/trans-isomerism does not influence catalytic activity, but electron-withdrawing substituents, as in cis-2b, 3b and 4b, show a beneficial effect.
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Affiliation(s)
- Jörg A Schachner
- Institute of Chemistry, Inorganic Chemistry, University of Graz, Schubertstr. 1, 8010 Graz, Austria.
| | - Ferdinand Belaj
- Institute of Chemistry, Inorganic Chemistry, University of Graz, Schubertstr. 1, 8010 Graz, Austria.
| | - Nadia C Mösch-Zanetti
- Institute of Chemistry, Inorganic Chemistry, University of Graz, Schubertstr. 1, 8010 Graz, Austria.
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Wolff M, Machura B. Rhenium(V)-oxo complexes [ReOX2(N∩O)(EPh3)] (X=Cl, Br, I; E=P, As) – synthesis, structure, spectroscopy, and catalytic properties. REV INORG CHEM 2020. [DOI: 10.1515/revic-2019-0015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractThe present review aims to give a comprehensive survey about the chemistry of rhenium(V)-oxo complexes of general formula [ReOX2(N∩O)(EPh3)], where X=Cl, Br, I, E=P, As, and N∩O stands for uninegative chelating N∩O-ligand, carried out within the last four decades. In addition to the synthesis aspects, the available structural data as well as the results issued from techniques such as infrared and ultraviolet-visible spectroscopies are collected and discussed. Furthermore, a brief description of the applications of these compounds in catalysis is included.
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Affiliation(s)
- Mariusz Wolff
- Uniwersytet Śląski w Katowicach, Instytut Chemii, ul. Szkolna 9, 40-006 Katowice, Poland
- Universität Wien, Institut für Chemische Katalyse, Währinger Straße 38, 1090 Wien, Austria
| | - Barbara Machura
- Uniwersytet Śląski w Katowicach, Instytut Chemii, Department of Crystallography, ul. Szkolna 9, 40-006Katowice, Poland
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Zwettler N, Schachner JA, Belaj F, Mösch-Zanetti NC. Oxidorhenium(V) Complexes with Tetradentate Iminophenolate Ligands: Influence of Ligand Flexibility on the Coordination Motif and Oxygen-Atom-Transfer Activity. Inorg Chem 2016; 55:5973-82. [DOI: 10.1021/acs.inorgchem.6b00466] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Niklas Zwettler
- Institute of Chemistry, University of Graz, Schubertstrasse
1, 8010 Graz, Austria
| | - Jörg A. Schachner
- Institute of Chemistry, University of Graz, Schubertstrasse
1, 8010 Graz, Austria
| | - Ferdinand Belaj
- Institute of Chemistry, University of Graz, Schubertstrasse
1, 8010 Graz, Austria
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Zwettler N, Schachner JA, Belaj F, Mösch-Zanetti NC. Oxorhenium(V) Complexes with Phenolate–Pyrazole Ligands for Olefin Epoxidation Using Hydrogen Peroxide. Inorg Chem 2014; 53:12832-40. [DOI: 10.1021/ic501794z] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Niklas Zwettler
- Institute of Chemistry, University of Graz, Schubertstrasse 1, 8010 Graz, Austria
| | - Jörg A. Schachner
- Institute of Chemistry, University of Graz, Schubertstrasse 1, 8010 Graz, Austria
| | - Ferdinand Belaj
- Institute of Chemistry, University of Graz, Schubertstrasse 1, 8010 Graz, Austria
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Machura B, Wolff M, Gryca I. Rhenium(V) oxocomplexes [ReOX(N–O)2] and [ReOL(N–O)2]+—Synthesis, structure, spectroscopy and catalytic properties. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.05.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Terfassa B, Schachner JA, Traar P, Belaj F, Mösch Zanetti NC. Oxorhenium(V) complexes with naphtholate-oxazoline ligands in the catalytic epoxidation of olefins. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.03.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Machura B, Wolff M. A density functional study of oxorhenium(V) complexes incorporating quinoline or isoquinoline carboxylic acids: structural, spectroscopic, and electronic properties. Struct Chem 2014. [DOI: 10.1007/s11224-014-0438-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Machura B, Wolff M, Benoist E, Schachner J, Mösch-Zanetti N, Takao K, Ikeda Y. Oxorhenium(V) complexes with 1H-benzimidazole-2-carboxylic acid – Synthesis, structural characterization and catalytic application in epoxidation reactions. Polyhedron 2014. [DOI: 10.1016/j.poly.2013.12.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gryca I, Machura B, Małecki JG, Shul'pina LS, Pombeiro AJL, Shul'pin GB. New p-tolylimido rhenium(v) complexes with carboxylate-based ligands: synthesis, structures and their catalytic potential in oxidations with peroxides. Dalton Trans 2014; 43:5759-76. [DOI: 10.1039/c3dt53511h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Novel p-tolylimido rhenium(v) complexes were obtained and calculations at the DFT level were undertaken. The complexes exhibited high catalytic activity in oxidation of alkanes and alcohols with H2O2 or TBHP.
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Affiliation(s)
- I. Gryca
- Department of Crystallography
- Institute of Chemistry
- University of Silesia
- 40-006 Katowice, Poland
| | - B. Machura
- Department of Crystallography
- Institute of Chemistry
- University of Silesia
- 40-006 Katowice, Poland
| | - J. G. Małecki
- Department of Crystallography
- Institute of Chemistry
- University of Silesia
- 40-006 Katowice, Poland
| | - Lidia S. Shul'pina
- Nesmeyanov Institute of Organoelement Compounds
- Russian Academy of Sciences
- Moscow 119991, Russia
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural
- Complexo I
- Instituto Superior Técnico
- Universidad de Lisboa
- 1049-001 Lisboa, Portugal
| | - Georgiy B. Shul'pin
- Semenov Institute of Chemical Physics
- Russian Academy of Sciences
- Moscow 119991, Russia
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Booysen IN, Ismail MB, Akerman MP. Coordination behavior of chromone Schiff bases towards the [ReVO]3+ and [ReI(CO)3]+ cores. J COORD CHEM 2013. [DOI: 10.1080/00958972.2013.867028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Irvin Noel Booysen
- School of Chemistry and Physics, University of Kwazulu-Natal, Scottsville, Pietermaritzburg, South Africa
| | - Muhammed Bilaal Ismail
- School of Chemistry and Physics, University of Kwazulu-Natal, Scottsville, Pietermaritzburg, South Africa
| | - Matthew Piers Akerman
- School of Chemistry and Physics, University of Kwazulu-Natal, Scottsville, Pietermaritzburg, South Africa
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Machura B, Wolff M, Benoist E, Schachner JA, Mösch-Zanetti NC. Oxorhenium(V) complexes of quinoline and isoquinoline carboxylic acids--synthesis, structural characterization and catalytic application in epoxidation reactions. Dalton Trans 2013; 42:8827-37. [PMID: 23640402 DOI: 10.1039/c3dt50625h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Six novel oxorhenium(V) complexes incorporating quinoline and isoquinoline carboxylic acid derivatives were prepared in good yields. Relying on the experimental conditions, compounds with two chelate ligands [ReOCl(iqc)2]·MeOH (1), [ReO(OMe)(iqc)2] (2), [ReO(OMe)(mqc)2] (3) and [ReO(OMe)(8-qc)2] (4) and compounds incorporating one bidentate ligand [ReOCl2(iqc)(PPh3)] (5) and [ReOCl2(mqc)(PPh3)] (6) were synthesized (iqcH = isoquinoline-1-carboxylic acid, mqcH = 4-methoxy-2-quinolinecarboxylic acid and 8-qcH = 8-quinolinecarboxylic acid). The reported compounds were characterized by spectroscopic methods and single crystal X-ray diffraction analysis. In compounds 1 and 2, one chelate ligand occupies an axial and an equatorial position, while the other one occupies two equatorial positions, forming a cis-(N,N) isomer. In turn, complexes 3 and 4 show a rare ligand arrangement with two trans-N, trans-O chelate ligands in the equatorial plane and a linear axial [O=Re-OMe] unit. The complexes with one chelate ligand 5 and 6 are cis-(Cl,Cl)-isomers. All compounds were tested as potential catalysts in the epoxidation of cyclooctene with 3 equiv. of tert-butylhydroperoxide. The yield of cyclooctane oxide varies between 16 and 68% (50 °C, 24 h), and the catalytic competency of compounds 1-6 was discussed with regard to the structure of each complex.
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Affiliation(s)
- Barbara Machura
- Department of Crystallography, Institute of Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland.
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Dioxidomolybdenum(VI) Complexes Containing Ligands with the Bipyrrolidine Backbone as Efficient Catalysts for Olefin Epoxidation. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300258] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Judmaier ME, Sala CH, Belaj F, Volpe M, Mösch-Zanetti NC. Dimeric μ-oxo bridged molybdenum(vi) dioxo complexes as catalysts in the epoxidation of internal and terminal alkenes. NEW J CHEM 2013. [DOI: 10.1039/c3nj00115f] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Machura B, Wolff M, Tabak D, Schachner JA, Mösch-Zanetti NC. Oxidorhenium(V) Complexes with Phenolate- and Carboxylate-Based Ligands: Structure and Catalytic Epoxidation. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201200277] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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