Abstract
4,4′-Diaryl-3,3′-spirobi[2-pyrrolidones] were synthesized by hydrogenation of N-substituted 3-methoxycarbonyl-3-(2-nitro-1-arylethyl)-4-phenyl-2-pyrrolidones followed by intramolecular heterocyclization. Structure of the compounds obtained was determined by IR, 1H, and COSY NMR spectroscopy.
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Original Russian Text © E.S. Ostroglyadov, O.V. Komarova, O.S. Vasil’eva, N.V. Gorodnicheva, V.M. Berestovitskaya, 2014, published in Zhurnal Obshchei Khimii, 2014, Vol. 84, No. 10, pp. 1663–1666.
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Ostroglyadov, E.S., Komarova, O.V., Vasil’eva, O.S. et al. Synthesis and structure of N-substituted aryl(hetaryl)spiropyrrolidones. Russ J Gen Chem 84, 1941–1944 (2014). https://doi.org/10.1134/S1070363214100144
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DOI: https://doi.org/10.1134/S1070363214100144