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Optimizing Vanadium-Catalyzed Epoxidation Reactions: Machine-Learning-Driven Yield Predictions and Data Augmentation

delete2025-06-24
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PRE
AI
J
José Ferraz-Caetano *
F
Filipe Teixeira
M
M. Natália D. S. Cordeiro *
DOI:10.1021/acs.jcim.5c01104delete
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摘要

摘要

En 中文
催化环氧化是关键化学过程,作为合成具有商业价值的化合物的重要步骤。本研究提出了一种创新的监督机器学习(ML)模型,用于预测钒催化的小分子醇和烯烃的环氧化反应产率。我们的框架揭示了与结构设计相关的化学特征,为环氧化反应的自动化优化提供了途径。本研究还引入了数据增强的概念,通过生成合成反应来处理实验变异性,以增密数据中欠表示的片段。该模型在一个包含273个钒催化剂组实验环氧化反应的精选数据集上训练,测试集预测R2得分为90%,平均绝对产率预测误差为4.7%。该机器学习模型具有高度的可解释性,因为描述符分析识别出影响催化反应预测的关键实验和化学描述符。这代表了催化环氧化研究中的一个重要进展,突显了数据科学在反应研究和催化剂优化中的关键作用。
Keyword:
catalytic epoxidation
machine learning
vanadium catalyst
reaction yield prediction
data augmentation

期刊

Journal of Chemical Information and Modeling 封面图
Journal of Chemical Information and Modeling
IF:
5.3
论文数:
9.1K
被引数:
4.0W

机构

U
University of Porto
学者数:
2.9K
论文数: 1.2K
被引数: 849
U
university of minho
学者数:
1.6K
论文数: 676
被引数: 1
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