Abstract
1,2,3-Trialkoxycarbonyl-4H-cyclopenta[b]quinoxalines were synthesized by condensation of ophenylenediamine with trialkoxycarbonyl-2-hydroxycyclopentadien-1-ones. The compounds obtained were characterized as π-electron analogs of azulene on the basis of their spectra and quantum-mechanical calculations.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 699–704, May, 1975.
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Sumlivenko, N.V., Ponomareva, É.A., Dyadyusha, G.G. et al. 1,2,3-Trialkoxycarbonyl-4-Hcyclopenta[b]quinoxalines. Chem Heterocycl Compd 11, 607–611 (1975). https://doi.org/10.1007/BF00480490
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DOI: https://doi.org/10.1007/BF00480490