Abstract
A series of 9-aroyl-3,3,6,6-tetramethyl-1,2,3,4,5,6,7,8-octahydroxanthen-1,8-diones has been prepared from arylglyoxals and dimedone in a dehydrating medium; upon heating with ammonia these compounds are converted to 1-aryl-4,4,8,8-tetramethyl-2,3,4,5,7,8,9,10-octahydropyrrolo[4,3,2-m,n]acridin-10-ones. These reactions occur via the intermediate formation of tetrahydroindole derivatives.
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É. A. Bisenieks, M. F. Bundule, Ya. R. Uldrikis, G. Ya. Dubur, A. F. Mishnev, and Ya. Ya. Bleidelis, Khim. Geterotsikl. Soedin., No. 1, 107 (1987).
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For Communication No. 1, see Ref. [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 507–513, April, 1988.
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Bisenieks, E.A., Makarova, N.V., Uldrikis, Y.R. et al. Octahydropyrrolo[4,3,2-m,n]acridine derivatives. 2. 1-Aryl-4,4,8,8-tetramethyl-2,3,4,5,7,8,9,10-octahydropyrrolo[4,3,2-m,n]-acridin-10-ones and intermediates in their synthesis. Chem Heterocycl Compd 24, 417–423 (1988). https://doi.org/10.1007/BF00478862
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DOI: https://doi.org/10.1007/BF00478862