What are the intermolecular and intramolecular reactions that happen when protonated guanidine carbonate and acetylacetone react to form 2-amino-4, 6-dimethylpyrimidine?
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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.
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