An expedient synthesis of indolo[1,2-a]quinolines via Mn(OAc)3-mediated oxidative free radical cyclization and NaI/O2-assisted dealkoxycarbonylation/aerobic oxidation cascade |
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| Authors: | Hyun Seung Lee |
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| Institution: | Department of Chemistry and Institute of Basic Science, Chonnam National University, Gwangju 500-757, Republic of Korea |
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| Abstract: | An expedient synthetic procedure of indolo1,2-a]quinolines was developed using a sequential Cu-mediated N-arylation of indole, Mn(OAc)3-mediated oxidative free radical cyclization, and NaI/O2-assisted concomitant dealkoxycarbonylation/aerobic oxidation. The last step was replaced by a palladium-catalyzed decarboxylation/elimination protocol for the allyl ester derivatives. |
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| Keywords: | Indolo[1 2-a]quinolines Mn(OAc)3 Dealkoxycarbonylation Aerobic oxidation |
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