Amination of Optically Active Azaallylic Anions†‡

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Abstract
The reaction of azaallylic anions with ethyl N-[4-nitrobenzenesulfonyl)oxy]carbamate in the presence of a base gives a mixture of an α-amino ketone derivative with a slight preference for the (S) enantiomer and of an α-hydrazino ketone derivative as by-product; the same azaenolates react with bis(tert-butoxycarbonyl)diazene giving the analogous α-hydrazino ketone derivative, with a slight preference for the (R) enantiomer.

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