首页> 外文期刊>Journal of chemical crystallography >Crystal structure of 2-(1-o-xylen-4'-yl-2-hydroxy-5-oxo-benzo[c]pyrroline) carboxylic acid, C_(17)H_(15)NO_4
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Crystal structure of 2-(1-o-xylen-4'-yl-2-hydroxy-5-oxo-benzo[c]pyrroline) carboxylic acid, C_(17)H_(15)NO_4

机译:2-(1-邻二甲苯基-4'-基-2-羟基-5-氧代-苯并[c]吡咯啉)羧酸C_(17)H_(15)NO_4的晶体结构

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摘要

The title compound crystallizes in the space group P2_1/c, with a = 8.555(2), b = 22.109(2), c = 16.768(2) A, and #beta# = 90.25(2) deg, with two independent molecules in the asymmetric unit, dissimilar only for the orientation of the xylenyl group. There is no conjugation between the pyrroline ring and the xylenyl group. The molecules in the asymmetric unit are enantiomers, thus constituting a racemic dimer. The molecules are linked in chains by hydrogen bonds.
机译:标题化合物在具有两个独立分子的a = 8.555(2),b = 22.109(2),c = 16.768(2)A和#beta#= 90.25(2)度的空间群P2_1 / c中结晶。在不对称单元中,仅对二甲苯基的取向不同。吡咯啉环与二甲苯基之间没有共轭。不对称单元中的分子是对映异构体,因此构成外消旋二聚体。分子通过氢键成链连接。

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