| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
In this project, I have focused on activation and intermolecular bond formation of ammonia and amines as a radical species by utilizing ruthenium-dioxolene complexes. I have mainly studied on aromatic amine complexes and explored the specific reactivity of the nitrogen-centered radical complex. I have revealed that chemical oxidation of the aniline radical complex with silver ion in the presence of base predominantly facilitates intermolecular C-N bond formation to give a dimeric complex by spectroscopic, mass spectrometric, electrochemical and crystallographic analyses. This result shows the facile stabilization of the nitrogen-centered radical species by the ruthenium-dioxolene scaffold. Control experiments utilizing analogous complexes bearing substituents at the para position of the aniline ligand confirmed that both of the electronic and steric effects around the nitrogen center control the reactivity of the aniline radical complex.
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