Synthesis of 4-aryl-2,3,6,7-tetrahydro-1H-pyrimido[4,5-b][1,4]-diazepin- 6-ones from 4,5-diamino-1H-pyrimidin-6-ones and 1-aryl-3-(dimethylamino)-1- propanones

1. Insuasty, B.
2. Argoti, J.C.
3. Gómez, S.
4. Quiroga, J.
5. Martínez, R.
6. Angeles, E.
7. Gabiño, R.
8. Nogueras, M.
9. Sánchez, A.