Synthesis of Pyrazolo[3,4-b]pyridines and Pyrido[2,3-d]pyrimidinones by Hetero-Diels-Alder Reaction of Pyrazolyl- and Pyrimidinilimines under Microwave Irradiation in Dry Media

1. Quiroga, J.
2. Insuasty, B.
3. Abonía, R.
4. Hernandez, P.
5. Nogueras, M.
6. Sánchez, A.