Single Crystal X-Ray Structural Analysis of Two Polymorphs of Ethyl 2-(2-Chlorophenyl)-4-Hydroxy-5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrrole-3-Carboxylate

被引：7

作者：

Ramazani, A. ^{[1
,2
]}

Ahankar, H. ^{[3
]}

Slepokura, K. ^{[4
]}

Lis, T. ^{[4
]}

Joo, S. W. ^{[5
]}

机构：

[1] Univ Zanjan, Dept Chem, Zanjan, Iran

[2] Univ Zanjan, Res Inst Modern Biol Tech, Zanjan, Iran

[3] Islamic Azad Univ, Abhar Branch, Dept Chem, Abhar, Iran

[4] Univ Wroclaw, Fac Chem, Wroclaw, Poland

[5] Yeungnam Univ, Sch Mech Engn, Gyongsan, South Korea

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2019年 / 60卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

single crystal; X-ray analysis; pyrrolidinone derivative; polymorphs;

D O I：

10.1134/S0022476619040188

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A single crystal X-ray structure analysis of two polymorphs of ethyl 2-(2-chlorophenyl)-4-hydroxy-5-oxo-1-phenyl-2,5-dihydro-1H-pyrrole-3-carboxylate, i.e. I (Z = 1) and II (Z = 4), is performed. It is shown that the molecular geometries are the same in I and II, and the same bifurcated O-HO hydrogen bonds (involving hydroxyl and ester C=O groups) exist between the adjacent molecules, giving rise to molecular dimers which, however, are different in I and II: centrosymmetric (heterochiral) and homochiral, respectively.

引用

页码：662 / 670

页数：9

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