| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2021: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2018: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Outline of Final Research Achievements |
This study examined the chiral photoreaction between naphthoquinone and alkene mediated by the chiral Lewis acid such as oxazaborolidine derivatives. Upon complexation, the substrate immediately forms 1:2 complex in the ground state, which is partially decomplexed in the excited state upon photoirradiation. Accordingly, high enantioselectivities were attained for the straight and crossed cycloaddition products. This study thus clearly demonstrated that the excited state decomplexation is an additional clue for the control of stereoeslective outcome in the chiral photoreaction involving weak interactions. The results were presented in the international conferences as well as are published in the international journals.
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