Abstract
A new method is proposed for the synthesis of derivatives of indeno[1,2-b]-pyrrole-4-onesby intramolecular cyclization of the corresponding 5-(o-carboxyphenyl)pyrroles by trifluoroacetic anhydride.
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A. N. Grinev, I. N. Mikhailova, I. S. Nikolaeva, E. A. Golovanova, L. M. Polukhina, and G. N. Pershin, Khim.-Farm. Zh., No. 4, 49 (1982).
A. N. Grinev, I. N. Nesterova, M. V. Mezentseva, G. N. Pershin, I. S. Nikolaeva, T. V. Pushkina, and E. A. Golovanova, USSR Patent 1,098,228; Byull. Izobret., No. 48 263 (1985).
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Deceased.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1333–1335, October, 1987.
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Grinev, A.N., Nesterova, I.N. & Mezentseva, M.V. Intramolecular cyclization of 5-(o-carboxyphenyl)pyrrole derivatives. Chem Heterocycl Compd 23, 1067–1069 (1987). https://doi.org/10.1007/BF00476533
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DOI: https://doi.org/10.1007/BF00476533