Computational Studies on the Mechanism of the Diastereoselective Addition of Grignard Reagents to N-(tert-butylsulfinyl)imines

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

Abstract

The mechanism of the addition of ethylmagnesium bromide to (S)-N-benzylidene-2-methylpropane-2-sulfinamide has been studied by DFT calculations using a model that involves an explicit molecule of diethyl ether. Several reaction pathways have been investigated and the energy profiles obtained for the preferred routes lead to an estimated diastereomeric ratio that fits very well with the experimental results.

Keywords

N-(tert-butyl)sulfinyl imine
Grignard reagent
DFT calculations
Mechanism
Diastereoselective addition

Supplementary materials

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Description
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Supporting Information
Description
Thermodynamic study of the formation of reactive complexes 4 and 6. Figures, cartesian coordinates and energies of all of the optimized geometries.
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