Abstract

Diastereoselective reduction of ( Rs)- N- tert-butanesulfinyl α-trifluoromethyl ketimines formed in situ from the corresponding α-trifluoromethyl ketones and N- tert-butanesulfinamide has been achieved, and either diastereomer of N- tert-butanesulfinyl α-trifluoromethyl amines was obtained in good yields with excellent diastereoselectivities (up to 99:1 dr) using NaBH 4 and L-Selectride as the reductants, respectively.

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