| Budget Amount *help |
¥45,760,000 (Direct Cost: ¥35,200,000、Indirect Cost: ¥10,560,000)
Fiscal Year 2016: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2015: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2014: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Fiscal Year 2013: ¥20,540,000 (Direct Cost: ¥15,800,000、Indirect Cost: ¥4,740,000)
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| Outline of Final Research Achievements |
We succeeded in synthesis of a silicon analog of the smallest zero-bridge bridgehead alklene, bicyclo[1.1.0]but-1(2)-ene which are stabilized by coordination of a base (N,N-dimethylaminopyridine(DMAP)). The reaction of this molecule with a Lewis and theoretical calculations suggest that a zwitterionic structure with a homocyclopropenylium cation and an anion should contribute mainly to its structural characteristics. In addition, mechanisms for formation of a 1.3-disilabicyclo[1.1.0]butane that has an inverted geometry around the bridgehead silicon atoms as well as its reactivity toward some carbonyl compounds were disclosed. We also developed an efficient route to a polycyclic polysiloxane and its facile functionalization at the bridgehead silicon atoms.
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