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One-Pot Cascade Synthesis of Substituted Carbazoles from Indoles, Ketones, and Alkenes Using Oxygen as the Oxidant

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journal contribution
posted on 20.02.2017, 00:00 by Shanping Chen, Yuxia Li, Penghui Ni, Baichuan Yang, Huawen Huang, Guo-Jun Deng
An efficient one-pot two-step indole-to-carbazole strategy has been developed. This transition metal-free methodology uses oxygen as the sole oxidant and starts from cheap and readily available indoles, ketones, and alkenes. The present protocol efficiently enables the assembly of a diverse array of substituted carbazole products with good regioselectivity and broad tolerance of functional groups.