Synthesis of pyrido[2,3-d]pyrimidinones by the reaction of aminopyrimidin-4-ones with benzylidene Meldrum's acid derivatives

1. Quiroga, J.
2. Hormaza, A.
3. Insuasty, B.
4. Nogueras, M.
5. Sánchez, A.
6. Hanold, N.
7. Meier, H.