In the title compound, C(18)H(21)BrN(2)O(5), conjugation between the π-donating N-C-O fragment and the π-withdrawing carbonyl group results in considerable redistribution of the electron density within the dihydropyridinol ring. This effect is also promoted by the formation of an intra-molecular N-H⋯O hydrogen bond. The five-membered heterocycle is disordered over two envelope conformations in a 0.35:0.65 ratio.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961529 | PMC |
| http://dx.doi.org/10.1107/S1600536808013378 | DOI Listing |
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