Stereoselective Reduction of Enamino Sulfoxides

Abstract
Enamino sulfoxides, p-TolS(O)CH=C(NR1R2)R (where R1 = alkyl, R2 = H or alkyl), were reduced with lithium tri(s-butyl)borohydride or borane·THF, respectively, to give β-amino sulfoxides of R*,R* configuration with high stereoselectivity.