Abstract
A modified method is proposed for preparation and purification, and the special features of the spatial structure have been studied for the ethyl ester of 1-hydroxy-3-oxo-5,6-dihydro-3H-pyrrolo[3,2,1-i,j]-quinoline-2-carboxylic acid.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 718–723, May, 2006.
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Ukrainets, I.V., Sidorenko, L.V., Gorokhova, O.V. et al. 4-hydroxy-2-quinolones. 94. Improved synthesis and structure of 1-hydroxy-3-oxo-5,6-dihydro-3h-pyrrolo[3,2,1-i,j]-quinoline-2-carboxylic acid ethyl ester. Chem Heterocycl Compd 42, 631–635 (2006). https://doi.org/10.1007/s10593-006-0138-7
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DOI: https://doi.org/10.1007/s10593-006-0138-7