A PROCESS FOR THE PURIFICATION OF 3-AMINO-1,2-PROPANEDIOL AND 2-AMINO-1,3-PROPANEDIOL

摘要

The invention relates to a process for the purification of aminopropanediols having formula (I), in which D1 and D2 are independently H or CH2OH, through the formation of the Schiff base of formula (III), obtained by reaction with an aromatic aldehyde of formula (II), in which n =0-5 and X is H, straight or branched C1-C5 alkyl, OH, halogen, NO2, OR and R is straight or branched C1-C4 alkyl.