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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F04%3A00107598%21RIV%2F2005%2FAV0%2FA54005%2FN
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Combining fac-[Re(CO)(3)Cl] with components of the ligand redox system bmtz/bmtz(-)-/H(2)bmtz/H(2)bmtz(-) (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine) has led to the isolation of the complexes (H(2)bmtz)Re(CO)(3)Cl, (mu-H(2)bmtz)[Re(CO)(3)Cl](2) and (mu-bmtz)[Re(CO)(3)Cl](2). Other species characterized were (bmtz)Re(CO)(3)Cl (UV/Vis, IR), [(H(2)bmtz)Re(CO)(3)Cl](.-) (UV/Vis, IR, EPR), {(mu-H(2)bmtz)[Re(CO)(3)Cl](2)}(.-) (UV/Vis, IR, EPR) and {(mu-bmtz)[Re(CO)(3)Cl](2)}(.-) (UV/Vis, IR, X band and high-field EPR). The results confirm bmtz as very strong and H(2)bmtz as moderate n acceptor ligand versus one or two chelate-bonded low-valent metal centers. Reactivity is observed in terms of oxidative proton and reductive chloride dissociation. Combining fac-[Re(CO)(3)Cl] with components of the ligand redox system bmtz/bmtz(-)-/H(2)bmtz/H(2)bmtz(-) (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine) has led to the isolation of the complexes (H(2)bmtz)Re(CO)(3)Cl, (mu-H(2)bmtz)[Re(CO)(3)Cl](2) and (mu-bmtz)[Re(CO)(3)Cl](2). Other species characterized were (bmtz)Re(CO)(3)Cl (UV/Vis, IR), [(H(2)bmtz)Re(CO)(3)Cl](.-) (UV/Vis, IR, EPR), {(mu-H(2)bmtz)[Re(CO)(3)Cl](2)}(.-) (UV/Vis, IR, EPR) and {(mu-bmtz)[Re(CO)(3)Cl](2)}(.-) (UV/Vis, IR, X band and high-field EPR). The results confirm bmtz as very strong and H(2)bmtz as moderate n acceptor ligand versus one or two chelate-bonded low-valent metal centers. Reactivity is observed in terms of oxidative proton and reductive chloride dissociation. Spojení fac-[Re(CO)(3)Cl] s komponenty ligandového redox systému bmtz/bmtz(-)-/H(2)bmtz/H(2)bmtz(-) (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazin) vedl k izolaci komplexů (H(2)bmtz)Re(CO)(3)Cl, (mu-H(2)bmtz)[Re(CO)(3)Cl](2) a (mu-bmtz)[Re(CO)(3)Cl](2). Dalšími charakterizovanými částicemi byly (bmtz)Re(CO)(3)Cl (UV/VIS, IR), [(H(2)bmtz)Re(CO)(3)Cl](.- ) (UV/VIS, IR, EPR), {(mu-H(2)bmtz)[Re(CO)(3)Cl](2)}(.- ) (UV/VIS, IR, EPR ) a {(mu-bmtz)[Re(CO)(3)Cl](2)}(.- ) (UV/VIS, IR, X band a high-field EPR). Výsledky potvrzují bmtz jako velmi silný a H(2)bmtz jako mírný pi-akceptorový ligand vyhledem k jednomu nebo dvama chelátově vázaným nízkovalentním kovovým centrům. Reaktivita odpovídá oxidativní disociaci protonu a reduktivní disociaci chloridu.
dcterms:title
Komplexy [Re(CO)3Cl ] s různými oxidačními stavy polyfunkčního ligandového systému bmtz/H2bmtz (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazin) Complexes of [Re(CO)3Cl] with Different Oxidation States of the Polyfunctional bmtz/H2bmtz Ligand System (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine) Complexes of [Re(CO)3Cl] with Different Oxidation States of the Polyfunctional bmtz/H2bmtz Ligand System (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine)
skos:prefLabel
Complexes of [Re(CO)3Cl] with Different Oxidation States of the Polyfunctional bmtz/H2bmtz Ligand System (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine) Complexes of [Re(CO)3Cl] with Different Oxidation States of the Polyfunctional bmtz/H2bmtz Ligand System (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine) Komplexy [Re(CO)3Cl ] s různými oxidačními stavy polyfunkčního ligandového systému bmtz/H2bmtz (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazin)
skos:notation
RIV/61388955:_____/04:00107598!RIV/2005/AV0/A54005/N
n3:strany
3657;3665
n3:aktivita
n7:P n7:Z
n3:aktivity
P(OC D14.20), P(OC D15.10), Z(AV0Z4040901)
n3:cisloPeriodika
12
n3:dodaniDat
n13:2005
n3:domaciTvurceVysledku
n14:3742121
n3:druhVysledku
n17:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
558412
n3:idVysledku
RIV/61388955:_____/04:00107598
n3:jazykVysledku
n10:eng
n3:klicovaSlova
cyclic voltammetry; EPR; Rhenium complexes
n3:klicoveSlovo
n6:cyclic%20voltammetry n6:Rhenium%20complexes n6:EPR
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[3FEEF7EA2186]
n3:nazevZdroje
Inorganica Chimica Acta
n3:obor
n16:CG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n11:OC%20D14.20 n11:OC%20D15.10
n3:rokUplatneniVysledku
n13:2004
n3:svazekPeriodika
357
n3:tvurceVysledku
Kaim, W. Fiedler, Jan Duboc, K. Frantz, S.
n3:zamer
n18:AV0Z4040901
s:issn
0020-1693
s:numberOfPages
9