Since the original report other syntheses of Ugi's amine have been reported, generally directed towards the synthesis of only one of the enantiomers rather than a racemic mixture.
Other syntheses of Ugi's amine have been reported. This was since the original report. Other syntheses of Ugi's amine have directed towards the synthesis of only one of the enantiomers rather than a racemic mixture. This was since the original report.