Development of reaction scheme using selective vibrational excitation ~ a third type reaction different from both of photo- and thermal- reactions ~

2014 Fiscal Year Final Research Report

• Project/Area Number: 24685005
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Physical chemistry
• Research Institution: Kanagawa University
• Principal Investigator: IWAKURA Izumi 神奈川大学, 工学部, 准教授 (40517083)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: フェムト秒レーザー光 / 極限的超短パルス光 / 振動励起

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

Free Research Field

レーザー化学