Development of Photoresponsive Functional Materials Based on Molecular Polarities Tuning

2015 Fiscal Year Final Research Report

• Project/Area Number: 26810050
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Functional solid state chemistry
• Research Institution: Kanazawa University
• Principal Investigator: Sakata Yoko 金沢大学, 物質化学系, 助教 (70630630)
• Project Period (FY): 2014-04-01 – 2016-03-31
• Keywords: 光異性化 / 生体色素分子 / ジピリノン / 水素結合

Outline of Final Research Achievements

This study aimed at construction of new photo-responsive molecule based on dipyrrinone, which is a scaffold of biological pigment, bilirubin. It was revealed that a newly synthesized dipyrrinone derivative bearing ethoxycarbonyl group at the pyrrolic position underwent high photoisomerization conversion. We also found that this molecule exhibited a solvent-dependent dual-mode photochromism between T- and P-types. While it underwent thermally reversible (T-type) photoresponsive reaction in chloroform, it became a thermally irreversible (P-type) system in methanol.

Free Research Field

化学