Synthesis, Inhaltsverzeichnis Synthesis 2021; 53(09): 1619-1628DOI: 10.1055/s-0040-1706000 paper Regioselective Oxidative Cross-Coupling Reaction: Synthesis of Imidazo[1,2-a]pyridine Fluorophores Xianglong Chu‡ a School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. of China , Yadi Niu‡ a School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. of China , Xiaodong Wang b Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. of China , Yunliang Lin b Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. of China , Fuwei Li b Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. of China , Chen Ma∗ a School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. of China › Institutsangaben Artikel empfehlen Abstract Artikel einzeln kaufen Alle Artikel dieser Rubrik Abstract A rapid access to a series of N-heteroarene fluorophores has been developed on the basis of the palladium-catalyzed direct oxidative C–H/C–H coupling of imidazo[1,2-a]pyridines with thiophenes/furans. The photophysical properties–structure relationship was systematically investigated. The resulting N-heteroarene fluorophores present color-tunable emissions (λem: 431–507 nm in CH2Cl2) and high fluorescence quantum yields (up to 91% in CH2Cl2). Key words Key wordsimidazo[1,2-a]pyridines - oxidative C–H/C–H coupling - fluorophores - regioselectivity - palladium Volltext Referenzen References 1a Hu R, Feng J, Hu D, Wang S, Li S, Li Y, Yang G. Angew. Chem. Int. Ed. 2010; 49: 4915 1b Hong Y, Lam JW. Y, Tang BZ. Chem. Commun. 2009; 4332 1c Kurishita Y, Kohira T, Ojida A, Hamachi I. J. Am. Chem. Soc. 2010; 132: 13290 2a Goncalves MS. T. Chem. 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