Scope and limitations in the regioselective synthesis of 1,3,5-trisubstituted pyrazoles from β-amino enones and hydrazine derivatives. 13C-chemical shift prediction rules for 1,3,5-trisubstituted pyrazoles

1. Alberola, A.
2. Calvo Bleye, L.
3. González-Ortega, A.
4. Sádaba, M.L.
5. Sañudo, M.C.