Extrapolative prediction of enantioselectivity enabled by computer-driven workflow, new molecular representations and machine learning

Scott E Denmark (Inventor), Andrew F. Zahrt (Inventor), Jeremy J. Henle (Inventor), Brennan T. Rose (Inventor), Yang Wang (Inventor), William Darrow (Inventor)

Research output: Patent

Abstract

Catalyst design in asymmetric reaction development has traditionally been driven by empiricism, wherein experimentalists attempt to qualitatively recognize structural patterns to improve selectivity. Machine learning algorithms and chemoinformatics can potentially accelerate this process by recognizing otherwise inscrutable patterns in large datasets. Herein we report a computationally guided workflow for chiral catalyst selection using chemoinformatics at every stage of development. Robust molecular descriptors that are agnostic to the catalyst scaffold allow for selection of a universal training set on the basis of steric and electronic properties. This set can be used to train machine learning methods to make highly accurate predictive models over a broad range of selectivity space. Using support vector machines and deep feed-forward neural networks, we demonstrate accurate predictive modeling in the chiral phosphoric acid-catalyzed thiol addition to N-acylimines.
Original languageEnglish (US)
U.S. patent number11664093
Filing date8/26/19
StatePublished - May 30 2023

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