| Budget Amount *help |
¥26,130,000 (Direct Cost: ¥20,100,000、Indirect Cost: ¥6,030,000)
Fiscal Year 2014: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2012: ¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
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| Outline of Final Research Achievements |
Generally, chemical reactions can be classified into two groups; a photoreaction, which proceeds by photo excitation of electrons, and a thermal reaction, which proceeds by thermal excitation of the molecular vibrations. Utilizing the 15-fs pulse laser, the present work has developed a new type of reaction triggered by neither of photo- nor thermal- reactions. Hydroxy protected D-glucopyranoside with three kinds of substituents were solved in methanol. The methalnol solutions were irradated by the visible 15-fs pulses with peak power of 400 GW/cm2 to trigger deprotection of carbamoyl group. Meanwhile, irradiation of the methanol solutions under the peak power of 300 GW/cm2 have generated novel tri-acetal product, which has never been obtained neither by photo- nor thermal- reaction
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