Abstract

AbstractA complete computational study has been performed in order to rationalise the results of a new organocatalytic approach to the kinetic resolution of 4‐substituted oxazinones which results in highly enantioenriched and orthogonally‐protected β‐amino acids. DFT‐analysis elucidated the preferable binding orientation of the 4‐oxazinone under study, predicted the formation of the observed major R product with a calculated ee in good agreement with the experimental data and allowed a complete mechanistic and stereochemical understanding of the catalysis. The alcoholytic kinetic resolution of a 7‐memebered ring analogue to generate enantioenriched γ‐amino acids was experimentally and computationally investigated for the first time.

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