Synthesis of Pyridine-Fused Perylene Imides with an Amidine Moiety for Hydrogen Bonding
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Pyridine-fused perylene tetracarboxylic acid bisimides (PBIs) were synthesized via Suzuki–Miyaura coupling and acid condensation. The fused PBIs with electron-donating substituents exhibited an intramolecular charge transfer interaction. One of the N-alkyl substituents was selectively removed with BBr3 to create an amidine guest binding site. A hydrogen bonding interaction with pentafluorobenzoic acid changed the absorption spectra and enhanced fluorescence.
创建时间：
2016-02-19
