The asymmetric ring-opening reaction of N-acylaziridines with arenethiols proceeds in the presence of chiral zinc complexes prepared from diethylzinc and L-(+)-diisopropyl tartrate (dipt) to afford trans-2-thio-(N-acylamino)cyclohexane in up to 88% enantiomeric excess (e.e.).
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Hayashi et al. (1994) studied this question.