Volume 128, Issue 35 pp. 10591-10594
Zuschrift

Total Synthesis of Notoamides F, I, and R and Sclerotiamide

Benxiang Zhang

Benxiang Zhang

Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032 P.R. China

These authors contributed equally.

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Dr. Weifeng Zheng

Dr. Weifeng Zheng

Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032 P.R. China

These authors contributed equally.

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Dr. Xiaoqing Wang

Dr. Xiaoqing Wang

Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032 P.R. China

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Dr. Deqian Sun

Corresponding Author

Dr. Deqian Sun

Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032 P.R. China

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Prof. Dr. Chaozhong Li

Corresponding Author

Prof. Dr. Chaozhong Li

Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032 P.R. China

School of Chemical Engineering, Ningbo University of Technology, 89 Cuibai Road, Ningbo, 315016 P.R. China

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First published: 22 July 2016
Citations: 13

Abstract

The total synthesis of the natural indole alkaloids (+)-notoamide F, I, and R and (−)-sclerotiamide is described. The four heptacyclic compounds were synthesized in 10–12 steps in a convergent and highly stereoselective manner from the readily available Seebach acetal. Key steps of the synthesis include a stereoselective oxidative aza-Prins cyclization to construct the bicyclo[2.2.2]diazaoctane, and a cobalt-catalyzed radical cycloisomerization to create the cyclohexenyl ring.

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