Patent ID: 9290443
Filing Date: 2016-03-22
CPC Classification: C07C

Claim Text:
1. A process for synthesizing 4-amino-2,4-dioxobutanoate, comprising: reacting a dialkyl oxalate with an alkoxide in an alcoholic solvent to form a reaction mixture, and afterward adding an alkyl cyanoacetate to the reaction mixture and allowing a reaction to proceed under conditions suitable to form a first reaction product of the formula diethyl 2-cyano-3-hydroxy-butenedioate, isolating said first reaction product of diethyl 2-cyano-3-hydroxy-butenedioate, reacting said first reaction product of diethyl 2-cyano-3-hydroxy-butenedioate with aqueous hydroxide under conditions suitable to form 4-amino-2,4-dioxobutanoate.