Synthesis of a molecular balance for evaluation of a cation-pi interaction
Project/Area Number |
25410037
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Organic chemistry
|
Research Institution | Ochanomizu University |
Principal Investigator |
YAMADA SHINJI お茶の水女子大学, 基幹研究院, 教授 (30183122)
|
Project Period (FY) |
2013-04-01 – 2016-03-31
|
Project Status |
Completed (Fiscal Year 2015)
|
Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
|
Keywords | 分子天秤 / カチオン-π相互作用 / π-π相互作用 / 溶媒効果 / 対アニオン / 相互作用エネルギー / エンタルピー / エントロピー / カチオン―π相互作用 / πーπ相互作用 / 分子内相互作用 / カチオンーπ相互作用 |
Outline of Final Research Achievements |
A molecular seesaw balance 1-MeI has been developed to measure pyridinium-π interactions. This balance adopts two distinct conformers, A and B, which are stabilized by a cation-π interaction and a π-π interaction, respectively. The conformer ratio was determined on the basis of the averaged 3J coupling constants for H1-C-C-H2 and the corresponding boundary J values for conformers A and B. The effects of the solvent and the counteranion on the ΔG values were investigated using this molecular balance. Thermodynamic parameters obtained from a van’t Hoff plot helped us to better understand the solvent and counteranion effects.
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Report
(4 results)
Research Products
(6 results)