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Regioselective Inter‐ and Intramolecular Formal [4+2] Cycloaddition of Cyclobutanones with Indoles and Total Synthesis of (±)‐Aspidospermidine |
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| Authors: | Mizuki Kawano Takaaki Kiuchi Shoko Negishi Hiroyuki Tanaka Takaya Hoshikawa Prof. Dr. Jun‐ichi Matsuo Prof. Dr. Hiroyuki Ishibashi |
| Affiliation: | School of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma‐machi, Kanazawa 920‐1192 (Japan) |
| Abstract: | |
| Keywords: | alkaloids cycloaddition Lewis acids regioselectivity total synthesis |