An Alternative Synthesis of Acosamine and Ristosamine

Abstract

Abstract The Henry reaction of (2S)-2-benzyloxypropanal with (2S)-1,2-O-isopropylidene-4-nitro-1,2-butanediol, leading to naturally occurring 3-amino-2,3,6-trideoxy-L-hexoses, acosamine and ristosamine, is described.