Regioselective Synthesis of Cycloalkane-fused Pyrazolo[4,3-e]pyridines through Tandem Reaction of 5-aminopyrazoles, Cyclic Ketones and Electron-rich Olefins

1. Cuervo-Prado, P.
2. Orozco-López, F.
3. Becerra-Rivas, C.
4. Leon-Vargas, D.
5. Lozano-Oviedo, J.
6. Cobo, J.