对皮洛西卡姆过渡金属复合物的综合性DFT研究 (Mn,Fe,Co,Ni和Zn):对计算药物设计的影响
Riaz Maira1, Muhammad Azam1, Ahmed Irfan2,3
1School of Chemistry, University of the Punjab, New Campus Lahore-54590, Punjab, Pakistan.
Journal of molecular modeling
|August 26, 2025
概括
这项研究通过计算评估了piroxicam-metal复合物,揭示了Co和Ni复合物提供了增强的稳定性和类似药物的特性. 这些发现表明,药物设计可能更安全,更有效,具有有利的药理动力学和没有预测的毒性.
科学领域:
- 计算化学
- 医学化学
- 材料科学
背景情况:
- 通过预测药物-金属复杂性质,计算方法对于设计有效的药剂至关重要.
- 皮洛西卡姆过渡金属复合物 (Mn,Fe,Co,Ni,Zn) 的药物相似性,生物可用性,药理动力学和毒性都得到了评估.
- 理论分析探讨了结构,电子和依赖溶剂的行为,专注于几何优化和稳定效应.
研究的目的:
- 通过计算评估皮罗西卡姆过渡金属复合物的药物相似性,治疗潜力,生物可用性,药理动力学和毒性.
- 通过理论分析研究这些复合物的结构,电子和依赖溶剂的特性.
- 确定最稳定的复合物,并了解金属离子和溶剂对其特性的影响.
主要方法:
- 密度函数理论 (DFT) 在B3LYP/6-31G(d,p) 层面用于几何优化和频率分析.
- 使用ADMETlab 3.0网络服务器进行ADMET分析,用于药物动力学和毒性预测.
- 在高斯 16 中使用 SMD 连续模型建模的溶剂效应;通过 Multiwf,Jmol 和 SHERMO 计算的关键描述.
主要成果:
- (Co) 和 (Ni) 皮洛西卡姆复合物显示出最高的稳定能.
- HOMO-LUMO能量隙和分子静电电位 (MEP) 地图显示了增强的电荷传递,并确定了反应点.
- 在ADMET评估中预测了良好的安全性,没有显著的毒性,突出了溶剂极性和金属离子大小的影响.
结论:
- 计算评估提供了宝贵的洞察力,了解皮罗西卡姆金属复合物的物理化学特性和潜在生物可用性.
- 在药物设计中,Co和Ni复合体表现出有前途的特性.
- 这项研究强调了理论分析在指导新型金属制药的合理设计,以提高安全性和有效性的重要性.
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