Synthesis of benz[f]indole-4,9-diones via acetylenic derivatives of 1,4-naphthoquinone |
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| Authors: | Mark S. Shvartsberg Ekaterina A. Kolodina Nadezhda I. Lebedeva Lidiya G. Fedenok |
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| Affiliation: | aInstitute of Chemical Kinetics and Combustion, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630090, Russia |
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| Abstract: | A synthetic route to benz[f]indole-4,9-diones from 1,4-naphthoquinone is described. Effective methods for cross-coupling of 3-acetylamino-2-bromo-1,4-naphthoquinone with terminal acetylenes and cyclization of the resulting 3-acetylamino-2-alkynyl-1,4-naphthoquinones are developed. |
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| Keywords: | 3-Acetylamino-2-bromo-1,4-naphthoquinone Cross-coupling Terminal acetylenes 3-Acetylamino-2-alkynyl-1,4-naphthoquinones Cyclization Benz[f]indole-4,9-diones |
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