Patent ID: 6284915
Filing Date: 2001-09-04
Classification: C07C,Y02P

Abstract:
A process for preparing 2-amino malonic acid derivatives of formula (1): ##STR24##wherein A is linear or branched chain alkylene having from 1 to 10 carbon atoms, R.sup.1 is linear or branched chain alkyl having from 2 to 20 carbon atoms, R.sup.2 and R.sup.3 are the same or different, and are lower alkyl or aralkyl, and R.sup.4 is a protecting group,which process comprises the step of reducing a compound of formula (6): ##STR25##wherein A is linear or branched chain alkylene having from 1 to 10 carbon atoms, R.sup.1 is linear or branched chain alkyl having from 2 to 20 carbon atoms, R.sup.2 and R.sup.3 are the same or different, and are lower alkyl or aralkyl, and R.sup.4 is a protecting group.