期刊
CHEMISTRY LETTERS
卷 43, 期 8, 页码 1309-1311出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.140330
关键词
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资金
- Program for Leading Graduate Schools Integrative Graduate Education and Research in Green Natural Sciences, MEXT, Japan
- Sumitomo Foundation
- [2506]
- [26107519]
- Grants-in-Aid for Scientific Research [25107002] Funding Source: KAKEN
We have developed a facile procedure for the synthesis of pi-extended fluorubins from perylene bisimides. Iridium-catalyzed direct borylation, the Suzuki-Miyaura cross-coupling, and an acid-condensation sequence afforded pi-extended fluorubins 1 in moderate yields. X-ray diffraction analysis revealed a planar structure of 1. In addition, optical analysis and DFT calculations indicated the presence of intramolecular charge-transfer interactions in 1c.
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