Reaction of 4-hydroxycoumarin with 2-acetyloxiranes |
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| Authors: | I A Os’kina A Ya Tikhonov I Yu Bagryanskaya Yu V Gatilov O S Fedorova |
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| Institution: | 1. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090, Russia
2. Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
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| Abstract: | The reaction of 4-hydroxycoumarin with 2-acetyloxiranes in dimethylformamide in the presence of triethylamine gave 2,3-dihydro-4H-furo3,2-c]chromen-4-ones which were converted into 4H-furo3,2-c]-chromen-4-one derivatives as a result of dehydration or fragmentation. |
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