Introduction of heteroatom-based substituents into 1,4-dihydropyridines by means of a halogen-mediated, oxidative protocol: Diamination, sulfonylation, sulfinylation, bis-sulfanylation, and halo-phosphonylation processes

1. Lavilla, R.
2. Kumar, R.
3. Coll, O.
4. Masdeu, C.
5. Spada, A.
6. Bosch, J.
7. Espinosa, E.
8. Molins, E.