A facile synthesis of indolo[3,2,1-jk]carbazoles via palladium-catalyzed intramolecular cyclization |
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| Authors: | Jun LvQiancai Liu Jie TangFranc Perdih Kristof Kranjc |
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| Institution: | a Department of Chemistry, East China Normal University, Shanghai 200241, China
b Faculty of Chemistry and Chemical Engineering, University of Ljubljana, SI-1000, Slovenia |
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| Abstract: | A new efficient synthesis of indolo3,2,1-jk]carbazoles by the palladium-catalyzed cyclization of N-(2-bromoaryl)carbazoles is described. The reaction involves intramolecular C-C bond formation, coupled with the cleavage of a C-X bond and a C-H bond on carbazole ring. Substitutions on N-aryl core with either electron-donating or electron-withdrawing groups are introduced, and different reaction factors for cyclization are evaluated. |
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| Keywords: | Indolo[3 2 1-jk]carbazoles Intramolecular cyclization Palladium Catalysis |
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