2013 Fiscal Year Final Research Report
Generation and Structure of Stable Aromatic Dications Incorporating Catecolate Metal Complexes
| Project/Area Number |
23655042
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Organic chemistry
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| Research Institution | Osaka University |
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Principal Investigator |
TOBE Yoshito 大阪大学, 基礎工学研究科, 教授 (60127264)
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| Co-Investigator(Renkei-kenkyūsha) |
TAHARA Kazukuni 大阪大学, 大学院・基礎工学研究科, 助教 (40432463)
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| Project Period (FY) |
2011 – 2012
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| Keywords | カテコラート白金錯体 / 芳香族化合物 / ジカチオン / 芳香族性 / 酸化還元電位 / 混合原子価 |
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| Research Abstract |
The purpose of this work is to generate stable dicationic species of aromatic compounds by incorporating platinum catecholate complex moieties in the molecules. The platimun catecol complex with 12-pi system consisting of a dehydrobenzo[12]annulene core turned out to be stable as well as its dicationic species generated by two-electron oxidation. Similarly, the complex with an 8-pi system as well as its dication with a 6-pi system having a dibenzocyclooctatetraene core were also stable. These results indicate that the present method is useful to stabilize aromatic dicationic species which are otherwise difficult to generate. However, the catecolate metal complex with a biphenylene core was not isolated because of its instability, showing a limitation of this method.
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[Journal Article] Syntheses and Properties of Graphyne Fragments : Trigonally Expanded Dehydrobenzo[12]annulenes2013
Author(s)
Kazukuni Tahara, Yuki Yamamoto, Dustin E. Gross, Hiroyoshi Kozuma, Yoko Arikuma, Koji Ohta, Yoshiko Koizumi, Yuan Gao, Yo Shimizu, Shu Seki, Kenji Kamada, Jeffrey S, Moore, Yoshito Tobe
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Journal Title
Chem. Eur. J
Volume: 19
Pages: 11251-11260
DOI
Peer Reviewed
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