Understanding Catalytic Enantioselective C-H Bond Oxidation at Nonactivated Methylenes Through Predictive Statistical Modeling Analysis

17 September 2024, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Enantioselective C(sp3)‒H bond oxidation is a powerful strategy for installing functionality in C(sp3)‒H rich molecules. Site- and enantioselective oxidation of strong C‒H bonds in monosubstituted cyclohexanes with hydrogen peroxide catalyzed by aminopyridine manganese catalysts in combination with alkanoic acids has been recently described. Mechanistic uncertainties and nonobvious enantioselectivity trends challenge development of the full potential of this reaction as a powerful synthetic tool. Herein, we apply predictive statistical analysis to identify mechanistically informative correlations that provide valuable reaction understanding and will guide the development and optimization of new enantioselective C‒H oxidation reactions.

Keywords

C-H oxidation
enantioselective catalysis
multiparametric analyses
Reaction mechanisms
High valent metal oxos

Supplementary materials

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Description
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Supporting information
Description
Materials and methods describing the preparation of complexes and substrates, characterization, and experimental procedures for the catalytic reactions. NMR spectra, SCF and GC traces. Additional modeling data, DFT methods and cartesian coordinates.
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