Abstract
It is shown that the decarboxylation of 2-hydroxybenz[f]indolequinone-3-carboxylic acids and the demethylation of 2-methoxybenz[f]indolequinone are accompanied by oxidative dimerization and lead to the 3,3′-dimers of 2-hydroxybenz[f]indolequinones.
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Z. Kitasato and C. Sone, Bull. Chem. Soc. Jpn., 5, 348 (1930).
B. V. Salov and A. I. Shakhnovich, Khim. Geterotsikl. Soedin., No. 7, 911 (1976).
J. Bourdais, A. Deberly, and C. Mahieu, French Patent No. 1529901 (1968); Chem. Abstr., 71, 70492 (1969).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1636–1641, December, 1978.
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Shakhnovich, A.I., Salov, B.V. & Gorelik, M.V. Dimerization of 2-hydroxybenzindolequinones. Chem Heterocycl Compd 14, 1329–1333 (1978). https://doi.org/10.1007/BF00487400
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DOI: https://doi.org/10.1007/BF00487400