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Concise Formal Syntheses of the Amaryllidaceae Alkaloids (±)‐Tazettine and (±)‐6a‐Epipretazettine: Construction of the Core Skeleton via Tandem Intramolecular Oxidative Friedel–Crafts/Aza‐Michael Reaction |
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| Authors: | Donghui Ma Changgui Zhao Huilin Li Jing Qi Ling Zhang Shiyan Xu Dr Xingang Xie Prof?Dr Xuegong She |
| Institution: | 1. State Key Laboratory of Applied Organic Chemistry, Department of Chemistry, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000 (P. R. China), Fax: (+86)?931‐8912582;2. State Key Laboratory of Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu, 730000 (P. R. China) |
| Abstract: | |
| Keywords: | alkaloids Friedel– Crafts reaction hypervalent compounds Michael addition synthesis |