A new total synthesis of an indolo[3,2-j]phenanthridine alkaloid calothrixin B |
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| Authors: | Shigeo Tohyama |
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| Affiliation: | Graduate School of Pharmacy and Pharmaceutical Sciences, Fukuyama University, Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, Fukuyama, Hiroshima 729-0292, Japan |
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| Abstract: | A new total synthesis of calothrixin B is described. The key step is an allene-mediated electrocyclic reaction involving the indole 2,3-bond for the construction of a suitable 4-oxygenated 2,3,4-trisubstituted carbazole ring system. |
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| Keywords: | Indolo[3,2-j]phenanthridine Calothrixin B Synthesis Quinone |
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