Synthesis of novel 5-aryl-6-cyano-3H,8H-pyrido[2,3-d]pyrimidine-4,7- diones in the reaction of 6-amino-4-pyrimidinones with benzaldehyde and ethyl cyanoacetate

1. Quiroga, J.
2. Alvarado, M.
3. Insuasty, B.
4. Nogueras, M.
5. Sánchez, A.
6. López, M.D.