Application of the Strecker reaction to methyl 6-deoxy-2,3- O-isopropylidene- α- l- lyxo-hexopyranosid-4-ulose resulted in the formation of methyl 4-amino-4-cyano-4,6-dideoxy-2,3- O-isopropylidene- α- l-talopyranoside, methyl 4-amino-4-cyano-4,6-dideoxy-2,3- O-isopropylidene- β- d-allopyranoside and methyl 4-cyano-6-deoxy-2,3- O-isopropylidene- α- l-talopyranoside. Their proportionality and yields depend on the reaction conditions used. Additionally, 4-amino-4-cyano-4,6-dideoxy-2,3- O-isopropylidene- α- l-talopyranoside can be prepared favourably from preformed methyl 4-cyano-6-deoxy-2,3- O-isopropylidene- α- l-talopyranoside. The crystal structure of methyl 4-acetamido-4-cyano-4,6-dideoxy-2,3- O-isopropylidene- α- l-talopyranoside is also presented.