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4,9-Dihydrobenz[f]indole-4,9-dione derivatives synthesis and properties of 2,3,4,9-tetrahydrobenz[f]indole-2,4,9-triones and 2,3,4,9-tetrahydrobenz[f]indole-2,3,4,9-tetrones

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Under the influence of amines, (3-chloro-1,4-naphthoquinon-2-yl)malonic ester is cyclized to 3-carbethoxy derivatives of 2,3,4,9-tetrahydrobenz[f]indole-2,4,9-trione, which were decarboxylated and then oxidized to 2,3,4,9-tetrahydrobenz[f]indole-2,3,4,9-tetrone derivatives. Methylation of 2,3,4,9-tetrahydrobenz[f]indole-2,4,9-triones leads to a mixture of O- and C-methyl derivatives.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 911–914, July, 1976.

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Salov, B.V., Shakhnovich, A.I. 4,9-Dihydrobenz[f]indole-4,9-dione derivatives synthesis and properties of 2,3,4,9-tetrahydrobenz[f]indole-2,4,9-triones and 2,3,4,9-tetrahydrobenz[f]indole-2,3,4,9-tetrones. Chem Heterocycl Compd 12, 757–760 (1976). https://doi.org/10.1007/BF00477006

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  • DOI: https://doi.org/10.1007/BF00477006

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