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Description
| - The complex cations [Cu(dippf)(DML)](+) ([1](+)) and [Cu(dppf)(DML)](+) ([2](+)), where dippf = 1,1'-bis(diisopropylphosphino)ferrocene, dppf = 1,1'-bis(diphenylphosphino)ferrocene, and DML = 1,3-dimethyllumazine, were prepared and crystallized as BF4- or PF6- salts. Structure determinations of the tetrafluoroborates revealed asymmetric O-4,N-5 chelation of DML to copper(I) with longer Cu-O bonds of about 2.25 angstrom. Reversible oxidation to [1](2+) and [2](2+) proceeds at the ferrocene units, while reduction leads to the neutral radical complexes [1] and [2] with the unpaired electron localized on the DML ligand. The occurrence of two voltammetric steps for the one-electron-reduction process is attributed to a two-species equilibrium caused by the hemilabile coordination of DML. Electrochemical and spectroelectrochemical measurements (UV-vis, IR) reveal increased coordination lability of the reduced complexes and their slow fragmentation.
- The complex cations [Cu(dippf)(DML)](+) ([1](+)) and [Cu(dppf)(DML)](+) ([2](+)), where dippf = 1,1'-bis(diisopropylphosphino)ferrocene, dppf = 1,1'-bis(diphenylphosphino)ferrocene, and DML = 1,3-dimethyllumazine, were prepared and crystallized as BF4- or PF6- salts. Structure determinations of the tetrafluoroborates revealed asymmetric O-4,N-5 chelation of DML to copper(I) with longer Cu-O bonds of about 2.25 angstrom. Reversible oxidation to [1](2+) and [2](2+) proceeds at the ferrocene units, while reduction leads to the neutral radical complexes [1] and [2] with the unpaired electron localized on the DML ligand. The occurrence of two voltammetric steps for the one-electron-reduction process is attributed to a two-species equilibrium caused by the hemilabile coordination of DML. Electrochemical and spectroelectrochemical measurements (UV-vis, IR) reveal increased coordination lability of the reduced complexes and their slow fragmentation. (en)
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Title
| - Electrochemical Evidence for Hemilabile Coordination of 1,3-Dimethyllumazine to [1,1 '-Bis(diorganophosphino)ferrocene]copper(I)
- Electrochemical Evidence for Hemilabile Coordination of 1,3-Dimethyllumazine to [1,1 '-Bis(diorganophosphino)ferrocene]copper(I) (en)
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skos:prefLabel
| - Electrochemical Evidence for Hemilabile Coordination of 1,3-Dimethyllumazine to [1,1 '-Bis(diorganophosphino)ferrocene]copper(I)
- Electrochemical Evidence for Hemilabile Coordination of 1,3-Dimethyllumazine to [1,1 '-Bis(diorganophosphino)ferrocene]copper(I) (en)
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skos:notation
| - RIV/61388955:_____/14:00434726!RIV15-AV0-61388955
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/14:00434726
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - electrochemistry; metal complexes; crystal structure (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Fiedler, Jan
- Kaim, W.
- Mobin, S. M.
- Sarkar, B.
- Strobel, S.
- Jana, R.
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
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