Ethyl 2-(2,5-dioxo-4,4-diphenylimidazolidin-1-yl)acetate
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The five-membered ring of the title compound, C19H18N2O4, adopts an envelope conformation. In the crystal, pairwise N—H...O hydrogen bonds form centrosymmetric dimers which are connected into chains parallel to thec-axis direction by pairwise C—H...O hydrogen bonds. A second set of C—H...O hydrogen bonds links these chains into sheets oriented parallel to (100). A combination of additional C—H...O hydrogen bonds and C—H...π(ring) interactions combine the sheets into a three-dimensional network.
2012 ◽
Vol 68
(6)
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pp. o1614-o1615
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2009 ◽
Vol 65
(6)
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pp. o1209-o1209
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2014 ◽
Vol 70
(6)
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pp. o651-o652
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2014 ◽
Vol 70
(8)
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pp. o860-o860
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2015 ◽
Vol 71
(10)
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pp. o778-o779
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2020 ◽
Vol 76
(2)
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pp. 235-238
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2014 ◽
Vol 70
(9)
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pp. 130-133
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2021 ◽
Vol 77
(5)
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pp. 532-536