Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III)
Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bodini, Mario E. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1997 |
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| Schlagwörter: |
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| Anmerkung: |
© Chapman and Hall 1997 |
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| Übergeordnetes Werk: |
Enthalten in: Transition metal chemistry - Kluwer Academic Publishers, 1975, 22(1997), 2 vom: März, Seite 150-155 |
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| Übergeordnetes Werk: |
volume:22 ; year:1997 ; number:2 ; month:03 ; pages:150-155 |
| Links: |
|---|
| DOI / URN: |
10.1023/A:1018467114048 |
|---|
| Katalog-ID: |
OLC2084015863 |
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| 245 | 1 | 0 | |a Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) |
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| 520 | |a Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. | ||
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10.1023/A:1018467114048 doi (DE-627)OLC2084015863 (DE-He213)A:1018467114048-p DE-627 ger DE-627 rakwb eng 660 VZ Bodini, Mario E. verfasserin aut Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall 1997 Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. Manganese Catalysis Dimethyl Oxidation State Magnetic Susceptibility Arancibia, Veronica aut Enthalten in Transition metal chemistry Kluwer Academic Publishers, 1975 22(1997), 2 vom: März, Seite 150-155 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:22 year:1997 number:2 month:03 pages:150-155 https://doi.org/10.1023/A:1018467114048 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4125 AR 22 1997 2 03 150-155 |
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10.1023/A:1018467114048 doi (DE-627)OLC2084015863 (DE-He213)A:1018467114048-p DE-627 ger DE-627 rakwb eng 660 VZ Bodini, Mario E. verfasserin aut Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall 1997 Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. Manganese Catalysis Dimethyl Oxidation State Magnetic Susceptibility Arancibia, Veronica aut Enthalten in Transition metal chemistry Kluwer Academic Publishers, 1975 22(1997), 2 vom: März, Seite 150-155 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:22 year:1997 number:2 month:03 pages:150-155 https://doi.org/10.1023/A:1018467114048 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4125 AR 22 1997 2 03 150-155 |
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10.1023/A:1018467114048 doi (DE-627)OLC2084015863 (DE-He213)A:1018467114048-p DE-627 ger DE-627 rakwb eng 660 VZ Bodini, Mario E. verfasserin aut Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall 1997 Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. Manganese Catalysis Dimethyl Oxidation State Magnetic Susceptibility Arancibia, Veronica aut Enthalten in Transition metal chemistry Kluwer Academic Publishers, 1975 22(1997), 2 vom: März, Seite 150-155 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:22 year:1997 number:2 month:03 pages:150-155 https://doi.org/10.1023/A:1018467114048 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4125 AR 22 1997 2 03 150-155 |
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10.1023/A:1018467114048 doi (DE-627)OLC2084015863 (DE-He213)A:1018467114048-p DE-627 ger DE-627 rakwb eng 660 VZ Bodini, Mario E. verfasserin aut Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall 1997 Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. Manganese Catalysis Dimethyl Oxidation State Magnetic Susceptibility Arancibia, Veronica aut Enthalten in Transition metal chemistry Kluwer Academic Publishers, 1975 22(1997), 2 vom: März, Seite 150-155 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:22 year:1997 number:2 month:03 pages:150-155 https://doi.org/10.1023/A:1018467114048 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4125 AR 22 1997 2 03 150-155 |
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10.1023/A:1018467114048 doi (DE-627)OLC2084015863 (DE-He213)A:1018467114048-p DE-627 ger DE-627 rakwb eng 660 VZ Bodini, Mario E. verfasserin aut Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall 1997 Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. Manganese Catalysis Dimethyl Oxidation State Magnetic Susceptibility Arancibia, Veronica aut Enthalten in Transition metal chemistry Kluwer Academic Publishers, 1975 22(1997), 2 vom: März, Seite 150-155 (DE-627)129605417 (DE-600)242084-3 (DE-576)015099652 0340-4285 nnns volume:22 year:1997 number:2 month:03 pages:150-155 https://doi.org/10.1023/A:1018467114048 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4125 AR 22 1997 2 03 150-155 |
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Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) |
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Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) |
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Bodini, Mario E. |
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Transition metal chemistry |
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Transition metal chemistry |
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eng |
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600 - Technology |
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1997 |
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Bodini, Mario E. Arancibia, Veronica |
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Bodini, Mario E. |
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10.1023/A:1018467114048 |
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660 |
| title_sort |
redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(ii) and manganese(iii) |
| title_auth |
Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) |
| abstract |
Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. © Chapman and Hall 1997 |
| abstractGer |
Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. © Chapman and Hall 1997 |
| abstract_unstemmed |
Abstract Cyclic voltammetry and controlled-potential electrolyses were carried out on solutions of 1,2-naphthoquinone (1,2-NQ), 1,2-dihydroxynaphthalene [1,2-Di(OH)-Cat] and their reduction and oxidation products in dimethyl sulfoxide. A study of the interaction of these species with MnII and MnIII has been undertaken. The complexes MnIII(Cat2−)33−, MnII(Cat2−)22− and MnII-(Cat2−), where Cat2− represents the dianion of 1,2-dihydroxynaphthalene, were obtained in solution and the species MnIISQ has been detected only on the surface of the electrode. An attempt to obtain the latter complex quantitatively caused intramolecular charge-transfer yielding the more stable MnIII-catechol complex. The MnIII–semiquinone complex is unstable and the ligand is easily oxidized. The charge-transfer reaction between MnIII(Cat2−)33− and MnII(Cat2−)22− is observed at −0.54/−0.52 V versus s.c.e. whereas the MnII complexes are reduced beyond the electrochemical window (at a potential more negative than −2.00 V versus s.c.e). On the other hand, all these species are destroyed when the coordinated ligand is oxidized. U.v.-vis. spectroscopy and magnetic susceptibility measurements were performed on the compounds in solution in order to characterize and to confirm the oxidation states of the metal ion in the species. © Chapman and Hall 1997 |
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Redox chemistry of 1,2-dihydroxynaphthalene, 1,2-naphthosemiquinone and 1,2-naphthoquinone and their complexes with manganese(II) and manganese(III) |
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