Amino-acetal, NHzCHzCH (OCzH&, on account of its reactivity and versatility, is a synthetic reagent of considerable importance. A search of the literature revealed only three reasonably promising methods, the reduction of nitro-acetal'by sodium and alcohol, the reduction of glycine ester by sodium amalgam to amino-acetaldehyde and the conversion of this into amino-acetal, 2 and the action of ammonia on the halogen acetals, which has ...