Abstract
Kinetic studies of the redox reactions of the head-to-tail (HT) α-pyridonato-bridged cis-diammineplatinum(III) dinuclear complex and of the head-to-head (HH) α-pyridonato-bridged and α-pyrrolidonato- bridged cis-diammineplatinum(III) dinuclear complexes with phenol were performed in acidic aqueous solution. Reduction of the HH Pt III dinuclear complexes with phenol proceeded only at pH > 3, whereas that of the HT Pt III dinuclear complex with phenol proceeded even at a pH as low as zero. The kinetic evaluations revealed that the Pt III dinuclear complexes are not reduced by the phenol molecule but are reduced by the phenoxide ion, and the reduction reaction proceeds through an outer-sphere electron-transfer mechanism.
| Original language | English |
|---|---|
| Pages (from-to) | 5571-5577 |
| Number of pages | 7 |
| Journal | European Journal of Inorganic Chemistry |
| Issue number | 33 |
| DOIs | |
| Publication status | Published - 2012 Nov |
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Keywords
- Amidate
- Phenol
- Platinum
- Reaction mechanisms
- Redox chemistry
ASJC Scopus subject areas
- Inorganic Chemistry
Cite this
Redox reactions of amidato-bridged cis-diammineplatinum(III) dinuclear complexes with phenol. / Hyodo, Shuntaro; Kishi, Masatoshi; Fukushima, Hiroyuki; Iwatsuki, Satoshi; Ishihara, Koji; Matsumoto, Kazuko.
In: European Journal of Inorganic Chemistry, No. 33, 11.2012, p. 5571-5577.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Redox reactions of amidato-bridged cis-diammineplatinum(III) dinuclear complexes with phenol
AU - Hyodo, Shuntaro
AU - Kishi, Masatoshi
AU - Fukushima, Hiroyuki
AU - Iwatsuki, Satoshi
AU - Ishihara, Koji
AU - Matsumoto, Kazuko
PY - 2012/11
Y1 - 2012/11
N2 - Kinetic studies of the redox reactions of the head-to-tail (HT) α-pyridonato-bridged cis-diammineplatinum(III) dinuclear complex and of the head-to-head (HH) α-pyridonato-bridged and α-pyrrolidonato- bridged cis-diammineplatinum(III) dinuclear complexes with phenol were performed in acidic aqueous solution. Reduction of the HH Pt III dinuclear complexes with phenol proceeded only at pH > 3, whereas that of the HT Pt III dinuclear complex with phenol proceeded even at a pH as low as zero. The kinetic evaluations revealed that the Pt III dinuclear complexes are not reduced by the phenol molecule but are reduced by the phenoxide ion, and the reduction reaction proceeds through an outer-sphere electron-transfer mechanism.
AB - Kinetic studies of the redox reactions of the head-to-tail (HT) α-pyridonato-bridged cis-diammineplatinum(III) dinuclear complex and of the head-to-head (HH) α-pyridonato-bridged and α-pyrrolidonato- bridged cis-diammineplatinum(III) dinuclear complexes with phenol were performed in acidic aqueous solution. Reduction of the HH Pt III dinuclear complexes with phenol proceeded only at pH > 3, whereas that of the HT Pt III dinuclear complex with phenol proceeded even at a pH as low as zero. The kinetic evaluations revealed that the Pt III dinuclear complexes are not reduced by the phenol molecule but are reduced by the phenoxide ion, and the reduction reaction proceeds through an outer-sphere electron-transfer mechanism.
KW - Amidate
KW - Phenol
KW - Platinum
KW - Reaction mechanisms
KW - Redox chemistry
UR - http://www.scopus.com/inward/record.url?scp=84869426756&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84869426756&partnerID=8YFLogxK
U2 - 10.1002/ejic.201200433
DO - 10.1002/ejic.201200433
M3 - Article
AN - SCOPUS:84869426756
SP - 5571
EP - 5577
JO - Chemische Berichte
JF - Chemische Berichte
SN - 0009-2940
IS - 33
ER -