Bowl-Shaped ortho-Semiquinone Radical Anion: Quantitative Evaluation of the Dynamic Behavior of Structural and Electronic Features

Dish it up: The first bowl‐shaped o‐semiquinone radical with a sodium cation (see picture) has been synthesized, and its 3D spin‐ and charge‐delocalized nature and redox properties have been evaluated. The concave–convex dynamic behavior of the ion pair was also investigated in a quantitative manner...

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Published inAngewandte Chemie (International ed.) Vol. 49; no. 36; pp. 6333 - 6337
Main Authors Ueda, Akira, Ogasawara, Kanako, Nishida, Shinsuke, Ise, Tomoaki, Yoshino, Tomohiro, Nakazawa, Shigeaki, Sato, Kazunobu, Takui, Takeji, Nakasuji, Kazuhiro, Morita, Yasushi
Format Journal Article
LanguageEnglish
Published Weinheim Wiley-VCH Verlag 23.08.2010
WILEY-VCH Verlag
WILEY‐VCH Verlag
Wiley
Subjects
Benzoquinones - chemical synthesis
Benzoquinones - chemistry
Chemistry
Chemistry, Multidisciplinary
corannulenes
Electron Spin Resonance Spectroscopy
EPR spectroscopy
ion pairs
Oxidation-Reduction
Physical Sciences
Polycyclic Aromatic Hydrocarbons - chemistry
radical ions
Science & Technology
semiquinone
Sodium - chemistry
COORDINATION CHEMISTRY
ION-PAIRS
radical ions
TRANSITION-METAL COMPLEXES
CORANNULENE
INVERSION BARRIER
ORTHO-BENZOSEMIQUINONE
PARAMAGNETIC-RESONANCE
ion pairs
SPIN-RESONANCE
semiquinone
VALENCE TAUTOMERISM
MAGNETIC-PROPERTIES
EPR spectroscopy
corannulenes
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Summary:Dish it up: The first bowl‐shaped o‐semiquinone radical with a sodium cation (see picture) has been synthesized, and its 3D spin‐ and charge‐delocalized nature and redox properties have been evaluated. The concave–convex dynamic behavior of the ion pair was also investigated in a quantitative manner using ESR and ENDOR/TRIPLE measurements and sophisticated DFT calculations.
Bibliography:http://dx.doi.org/10.1002/anie.201002626
This work was partially supported by a Grant-in-Aid for Scientific Research on Innovative Areas (No. 20110006) from the Ministry of Education, Culture, Sports, Science and Technology (Japan), the Global COE Program "Global Education and Research Center for Bio-Environmental Chemistry" of Osaka University, and CREST-JST (Japan). A.U. is a recipient of a Japan Society for the Promotion of Science (JSPS) research fellowship.
ArticleID:ANIE201002626
istex:107B2BA0D4EBE63085FE7B318CD48DF9391BB296
ark:/67375/WNG-XPLRGH0R-2
Ministry of Education, Culture, Sports, Science and Technology
Grant-in-Aid for Scientific Research on Innovative Areas - No. 20110006
JSPS
Japan Society for the Promotion of Science
This work was partially supported by a Grant‐in‐Aid for Scientific Research on Innovative Areas (No. 20110006) from the Ministry of Education, Culture, Sports, Science and Technology (Japan), the Global COE Program “Global Education and Research Center for Bio‐Environmental Chemistry” of Osaka University, and CREST‐JST (Japan). A.U. is a recipient of a Japan Society for the Promotion of Science (JSPS) research fellowship.
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SourceType-Scholarly Journals-1
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content type line 23
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201002626