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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00359540%21RIV12-GA0-61388955
rdf:type
n14:Vysledek skos:Concept
dcterms:description
The compounds [(dppf)Cu(L)](BF4) (1[BF4]) [dppf = 1,1-bis(diphenylphosphanylferrocene), L = N-(2-methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide] and [(acac)2Ru(L)] (2) (acac = acetylacetonato) were prepared from the reactions of [Cu(dppf)(CH3CN)2](BF4) or [Ru(acac)2(CH3CN)2], respectively with L. Structural characterization of 1[BF4] shows a distorted tetrahedral coordinated copper center. Both complexes show one-electron reversible oxidation as well as reduction processes in their cyclic voltammogram. The first oxidation process of 1[BF4] leads to absorptions at around 900 nm in the UV/Vis/NIR spectrum and results in an EPR silent species up to 110 K thus indicating a dppf-centered oxidation. The reduction processes of 1[BF4] show features in the UV/Vis/NIR, IR as well as EPR spectrum that are compatible with L-centered redox processes. In contrast to this, the ruthenium complex 2 shows metal-centered spin in both the one-electron oxidized as well as reduced forms. The compounds [(dppf)Cu(L)](BF4) (1[BF4]) [dppf = 1,1-bis(diphenylphosphanylferrocene), L = N-(2-methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide] and [(acac)2Ru(L)] (2) (acac = acetylacetonato) were prepared from the reactions of [Cu(dppf)(CH3CN)2](BF4) or [Ru(acac)2(CH3CN)2], respectively with L. Structural characterization of 1[BF4] shows a distorted tetrahedral coordinated copper center. Both complexes show one-electron reversible oxidation as well as reduction processes in their cyclic voltammogram. The first oxidation process of 1[BF4] leads to absorptions at around 900 nm in the UV/Vis/NIR spectrum and results in an EPR silent species up to 110 K thus indicating a dppf-centered oxidation. The reduction processes of 1[BF4] show features in the UV/Vis/NIR, IR as well as EPR spectrum that are compatible with L-centered redox processes. In contrast to this, the ruthenium complex 2 shows metal-centered spin in both the one-electron oxidized as well as reduced forms.
dcterms:title
Invariant Oxidation State of Copper but not of Ruthenium in Complexes with Noninnocent N-(2-Methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide: A Combined Structural, Electrochemical and Spectroelectrochemical Investigation Invariant Oxidation State of Copper but not of Ruthenium in Complexes with Noninnocent N-(2-Methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide: A Combined Structural, Electrochemical and Spectroelectrochemical Investigation
skos:prefLabel
Invariant Oxidation State of Copper but not of Ruthenium in Complexes with Noninnocent N-(2-Methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide: A Combined Structural, Electrochemical and Spectroelectrochemical Investigation Invariant Oxidation State of Copper but not of Ruthenium in Complexes with Noninnocent N-(2-Methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide: A Combined Structural, Electrochemical and Spectroelectrochemical Investigation
skos:notation
RIV/61388955:_____/11:00359540!RIV12-GA0-61388955
n14:predkladatel
n15:ico%3A61388955
n3:aktivita
n5:Z n5:P
n3:aktivity
P(GA203/08/1157), P(GA203/09/0705), Z(AV0Z40400503)
n3:cisloPeriodika
15
n3:dodaniDat
n8:2012
n3:domaciTvurceVysledku
n17:3742121
n3:druhVysledku
n16:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
205633
n3:idVysledku
RIV/61388955:_____/11:00359540
n3:jazykVysledku
n10:eng
n3:klicovaSlova
copper; ruthenium; quinones
n3:klicoveSlovo
n6:ruthenium n6:copper n6:quinones
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[F127BF2C38B6]
n3:nazevZdroje
European Journal of Inorganic Chemistry
n3:obor
n20:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
8
n3:projekt
n11:GA203%2F09%2F0705 n11:GA203%2F08%2F1157
n3:rokUplatneniVysledku
n8:2011
n3:svazekPeriodika
-
n3:tvurceVysledku
Paretzki, A. Weisser, F. Fiedler, Jan Nycz, J. E. Das, H. S. Sarkar, B. Scherer, T. Bubrin, D.
n3:wos
000290706700008
n3:zamer
n13:AV0Z40400503
s:issn
1434-1948
s:numberOfPages
9
n7:doi
10.1002/ejic.201100008