期刊
TETRAHEDRON
卷 66, 期 21, 页码 3736-3741出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.03.067
关键词
Diketopyrrolopyrrole; Fluorescence; Cross-coupling reaction; Solid-state structure
资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
Diketopyrrolopyrrole (DPP) derivatives with four different substituents were synthesized by cross-coupling reactions. The DPP derivatives were investigated in terms of their solid-state structure, absorption, emission, and electrochemistry. The electron-donating property of each substituent causes a redshift of UV/vis absorption and emission in the solution state. Although all of the DPP derivatives have high quantum yields in solution, only butoxyphenyl-substituted DPP exhibits strong emission in the solid state. (C) 2010 Elsevier Ltd. All rights reserved.
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