| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Silicon-containing cyclic 4npi-electron systems were constructed and their characteristics were revealed. We successfully synthesized benzodisilacyclobutadienes, which exhibited a significant contribution of a 1,2-disilacyclobutadiene resonance structure. We also synthesized naphtho- and anthrodisilacyclobutadienes and compared their structure and (anti)aromaticity by various spectroscopies, structural analysis, and theoretical studies.
An isolable 1H-phosphadisilirene was obtained as red-purple crystalline solid. In obtained 1H-phosphadisilirene, significant orbital interactions between disilene moiety and phosphorus atoms in the three-membered ring was indicated by UV-vis spectrum and theoretical studies.
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