合成,晶体结构和希尔什菲尔德表面分析5,5-二-3-(prop-2-yn-1-yl) imidazolidine-2,4-dione 2,4-dione 的合成,晶体结构和希尔什菲尔德表面分析
Abderrazzak El Moutaouakil Ala Allah1, Chiara Massera2, Walid Guerrab1
1Laboratory of Medicinal Chemistry Drug Sciences Research Center Faculty of Medicine and Pharmacy Mohammed V University in Rabat Morocco.
概括
研究人员通过相转移催化合成了一种新型的氨酸类比物5,5-二-3-(2--1-) 胺二-2,4-二. 它的晶体结构揭示了特定的键和分子间相互作用,HH接触主导了晶体包装.
科学领域:
- 有机化学 有机化学
- 晶体学 晶体学是指结晶学.
- 超分子化学 超分子化学
背景情况:
- 芬伊托因是一种抗药物,具有成熟的化学结构.
- 探索现有药物的类似物可以导致新的治疗药物或提供对结构-活性关系的见解.
- 了解晶体包装和分子间力量对于预测和控制固态特性至关重要.
研究的目的:
- 为了合成一种新型的氨酸类比物,5,5-二-3-(2--1-) imidazolidine-2,4-dione.
- 使用单晶X射线衍射,阐明合成化合物的晶体结构.
- 分析控制新模拟物晶体包装的分子间相互作用.
主要方法:
- 通过使用基化物进行基化反应进行合成.
- 用于高效合成的相转移催化.
- 单晶X射线衍射用于结构确定.
- 希尔什菲尔德表面分析以量化分子间相互作用.
主要成果:
- 成功合成了伊托因类型的5,5-二-3-(2--1-) 伊米达佐利丁-2,4-二 (3).
- 晶体结构分析显示,在不对称的单元中,有两个独立的分子,在propynyl组的方向上有变化.
- 通过N-HO键形成的倒置二极体,还有额外的C-HO和C-Hπ相互作用稳定了晶格.
- 希尔什菲尔德表面分析表明,HH接触 (45%) 是导致晶体包装的最重要因素.
结论:
- 这种新型的芬伊托因模拟物已成功合成并具有结构性特征.
- 晶体结构由结合和范德瓦尔斯力的组合控制,其中HH接触占主导地位.
- 这项研究提供了关于新一类氨酸衍生物的结构和分子间性质的宝贵数据.
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