Abstract

The α-dialkoxymethyl α,β-unsaturated ester 1 can be easily converted, under high pressure and at ambient temperature, into the corresponding aza-Michael adducts 2 and/or push–pull α-aminomethyl-β-methoxy-α,β-unsaturated esters 3 by treatment with primary or secondary amines. The ratio between these two types of products is shown to depend on the nature of the nitrogen nucleophile.

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