PREPARATION OF SYNERGETIC HYPERVALENT ELEMENT COMPOUNDS BASED ON THE CONTROL OF COORDINATION SPHERE
| Project/Area Number |
18064013
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | Hiroshima University |
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Principal Investigator |
YAMAMOTO Yohsuke Hiroshima University, 大学院・理学研究科, 教授 (50158317)
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| Project Period (FY) |
2006 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥34,200,000 (Direct Cost: ¥34,200,000)
Fiscal Year 2009: ¥9,000,000 (Direct Cost: ¥9,000,000)
Fiscal Year 2008: ¥9,000,000 (Direct Cost: ¥9,000,000)
Fiscal Year 2007: ¥9,000,000 (Direct Cost: ¥9,000,000)
Fiscal Year 2006: ¥7,200,000 (Direct Cost: ¥7,200,000)
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| Keywords | 超原子価 / 5配位 / アンチモン / 異性化機構 / turnstile rotation / 理論計算 / 異性化 / 包接化合物 / リチウムカチオン / スフェランド / 合成 / 6配位 / 炭素 / X線解析 |
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| Research Abstract |
1. We synthesized the first hypervalent hexacoordinate carbon compound (12-C-6) and the structure was confirmed by detailed X-ray analysis.
2. Synthetic methods for Cram's spehrand were improved and new derivatives bearing t-Bu and cyclohexyl substitutents were prepared in order to get more soluble compounds.
3. By use of the newly developed ligand, two stereoisomers of pentacoordinate antimony compounds (stiboranes) were synthesized, isolated, and characterized by X-ray analysis. Kinetic measurements were performed. Based on the calculation of the mechanism, we can conclude that the isomerization proceed by way of the turnstile rotation.
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Report
(6 results)
Research Products
(71 results)
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[Journal Article] Syntheses, Crystal and Solution Structures, Ligand Exchange, and Ligand Coupling Reactions of Mixed Pentaarylantimony Compounds, Schroeder2007
Author(s)
G.; Okinaka, T.; Mimura, Y.; Watanabe, M.; Matsuzaki, T.; Hasuoka, A.; Yamamoto, Y.; Matsukawa, S.; Akiba, K-y
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Journal Title
Chem. -Eur. J 13(9)
Pages: 2517-2529
Related Report
Peer Reviewed
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[Journal Article] Syntheses, Crystal and Solution Structures, Ligand Exchange, and Ligand Coupling Reactions of Mixed Pentaarylantmony Compounds2007
Author(s)
Guenter Schroeder, Takaaki Okinaka, Yasuyuki Mimura, Mitsuko Watanabe, Takayuki Matsuzaki, Atsushi Hasuoka, Yohsuke Yamamoto, Shiro Matsukawa, and Kin-ya Akiba
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Journal Title
Chem. Eur. J 13(9)
Pages: 2517-2529
Related Report
Peer Reviewed
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[Journal Article] Syntheses, Crystal and Solution Structure,Ligand Exchange, and Ligand Coupling Reactions of Mixed Pentaarylantimony Compounds2007
Author(s)
G.Schoroder, T.Okinaka, Y.Miura, M.Watanabe, T.Matsuzaki, A.Hasuoka, Y.Yamamoto, S.Matsukawa, K.-y.Akiba
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Journal Title
Chew. Eur.J. 13
Pages: 2517-2529
Related Report
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