Abstract
The reaction of 4-hydroxycoumarin with 2-acetyloxiranes in dimethylformamide in the presence of triethylamine gave 2,3-dihydro-4H-furo[3,2-c]chromen-4-ones which were converted into 4H-furo[3,2-c]-chromen-4-one derivatives as a result of dehydration or fragmentation.
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Original Russian Text © I.A. Os’kina, A.Ya. Tikhonov, I.Yu. Bagryanskaya, Yu.V. Gatilov, O.S. Fedorova, 2013, published in Zhurnal Organicheskoi Khimii, 2013, Vol. 49, No. 10, pp. 1517–1521.
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Os’kina, I.A., Tikhonov, A.Y., Bagryanskaya, I.Y. et al. Reaction of 4-hydroxycoumarin with 2-acetyloxiranes. Russ J Org Chem 49, 1497–1501 (2013). https://doi.org/10.1134/S1070428013100163
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DOI: https://doi.org/10.1134/S1070428013100163