Abstract
The reaction of o-quinones of the benzofuran and indole series with acetoacetic ester and acetylacetone in the presence of zinc chloride leads to derivatives of 4,5-dihydroxybenzofuran and 4,5-dihydroxyindole with acetoacetic ester and acetylacetone residues, in the 7 position.
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A. N. Grinev and A. P. Terent'ev, Zh. Obshch. Khim., 28, 78 (1958).
A. N. Grinev, L. A. Bukhtenko, and A. P. Terent'ev, Zh. Obshch. Khim., 29, 945 (1959).
A. N. Grinev, N. V. Arkhangel'skaya, G. Ya. Uretskaya, and T. F. Vlasova, Khim. Geterotsikl. Soedin., No. 6, 738 (1975).
A. N. Grinev, G. Ya. Uretskaya, N. V. Arkhangel'skaya, S. Yu. Ryabova, and T. F. Vlasova, Khim. Geterotsikl. Soedin., No. 10, 1379 (1974).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1356–1357, October, 1982.
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Grinev, A.N., Sorokina, I.K. Reaction of o-quinones of the benzofuran and indole series with acetoacetic ester and acetylacetone. Chem Heterocycl Compd 18, 1047–1049 (1982). https://doi.org/10.1007/BF00503192
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DOI: https://doi.org/10.1007/BF00503192