General One-Pot Method for the Preparation of N-tert-Butanesulfinylamine Diastereomer Mixtures as Standards for Stereoselectivity Determinations

The one-pot preparation of N-sulfinylamine diastereomers proceeds in excellent yields (84−98%) for a diverse set of N-sulfinyl imine addition products. The method is operationally simple and extractive isolation provides analytically pure mixtures of diastereomers as standards for the rapid and accurate determination of N-sulfinylamine diastereomeric purity.