Abstract
The bromination and nitration of 2-methyl-3-ethoxycarbonyl-5-hydroxybenzofuran (I) leads to 6-bromo and 6-nitro derivatives, while azo coupling results in substitution of the hydrogen in the 4 position. The structures of the compounds obtained were confirmed by IR and PMR spectra.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1443–1446, November, 1971
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Grinev, A.N., Arkhangel'skaya, N.V., Uretskaya, G.Y. et al. Bromination, nitration, and azo coupling of substituted 3-ethoxycarbonyl-5-hydroxybenzofurans. Chem Heterocycl Compd 7, 1343–1346 (1971). https://doi.org/10.1007/BF00481091
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DOI: https://doi.org/10.1007/BF00481091