Shen You-min
2014
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Journal
Guangzhou Chemical Industry
Abstract
9-ethyl-6-( 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole-3-carbaldehyde was synthesized via electrophilic substitution reaction, Vilsmeier reaction, bromination reaction, and coupling reaction with Bis( pinacolato) diboron from Carbazole. A novel near infrared fluorescence probe of carbazole borate ester including indole was obtained by the reaction of 9-ethyl-6-( 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole-3-carbaldehyde with 1,2,3,3-tetramethyl-3H-indolium iodide. The structure was characterized by1H NMR and IR.