(4Z)-4-(2-Oxopropylidene)-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one
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In the title compound, C12H12N2O2, the seven-membered ring adopts a boat conformation. The orientation of the acetyl substituent on this ring is partly determined by an intramolecular N—H...O hydrogen bond. In the crystal, wrinkled sheets stacked along the a-axis direction are formed by pairwise N—H...O and C—H...O hydrogen bonds. The sheets are connected through additional N—H...O and C—H...O hydrogen bonds stacking the molecules along the a-axis direction. The structure was refined as a three-component twin.
2014 ◽
Vol 70
(5)
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pp. o595-o595
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2013 ◽
Vol 69
(12)
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pp. o1756-o1756
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2012 ◽
Vol 68
(6)
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pp. o1614-o1615
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2015 ◽
Vol 71
(10)
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pp. o778-o779
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2012 ◽
Vol 68
(8)
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pp. o2329-o2329
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2012 ◽
Vol 68
(4)
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pp. o1146-o1146
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