Study of an efficient conversion of 1,3-dimethyl-5-(Arylazo)-6-Amino-Uracils to 1,3-dimethyl-8-(Aryl)-Azapurin-2,6-Diones

1,3-Dimethyl-5-(arylazo)-6-amino-uracils are converted to 1,3-dimethyl-8-(aryl)-azapurin-2,6-dione under modified alkaline copper (II)-oxidation method.275