Diastereoselective Addition of Organomagnesium and Organolithium Reagents to Chiral Trifluoromethyl N-tert-Butanesulfinyl Hemiaminals

The asymmetric synthesis of trifluoromethylated tertiary and secondary carbinamines (,-dibranched and -branched amines) was achieved by reaction of alkyl, aryl and allyl organomagnesium or organolithium reagents to trifluoromethyl N-tert-butanesulfinyl hemiaminals, bench-stable analogs of the corresponding ketoimines.