使用机器学习对伊布罗合成的动态建模和多目标优化
1School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China.
机器学习模型通过预测反应结果和成本来优化易布洛芬合成. 确定了催化剂度等关键因素,从而制定了高效,成本效益的药物生产策略.
科学领域:
- 化学工程
- 计算化学
- 机器学习应用
背景情况:
- 为了提高效率和成本效益,需要对反应参数进行精确的控制.
- 传统的优化方法可能耗时,可能无法捕获复杂的参数交互.
研究的目的:
- 开发和应用集成的机器学习工具来建模和优化ibuprofen合成过程.
- 确定易布洛芬生产的关键输入变量和最佳操作条件.
主要方法:
- 使用实验验证的化学反应理论创建一个大型数据库 (39,460个组合).
- 采用 CatBoost 超级模型,并使用雪除尘优化器进行优化.
- 使用SHAP值进行变量重要性分析和NSGA-II进行多目标优化.
- 执行蒙特卡洛模拟进行不确定性分析.
主要成果:
- 优化的CatBoost模型准确地预测了反应时间,转换率和生产成本.
- 确定的关键参数包括催化剂前体 (L2PdCl2),H+和H2O度.
- 发现了最佳的催化剂度范围 (0.002-0.01mol/m3) 以实现高转换率和低成本.
- 反应时间显示对参数波动的高灵敏度,具有非线性行为.
结论:
- 集成的机器学习有效地模拟和优化易布洛芬的合成.
- 数据驱动的洞察力为合理的过程设计提供了定量指导.
- 这项研究展示了一种强大的方法,将基于物理的建模与机器学习相结合,以优化化学过程.
更多相关视频
10:10Transport Properties of Ibuprofen Encapsulated in Cyclodextrin Nanosponge Hydrogels: A Proton HR-MAS NMR Spectroscopy Study
Published on: August 15, 2016
13:54A Workflow for Lipid Nanoparticle LNP Formulation Optimization using Designed Mixture-Process Experiments and Self-Validated Ensemble Models SVEM
Published on: August 18, 2023
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