Semi-synthesis of triterpene A-ring derivatives from oleanolic and maslinic acids. Theoretical and experimental 13C chemical shifts

1. Garcïa-Granados, A.
2. JoséDuenas, null
3. Moliz, J.N.
4. Parra, A.
5. Ferez, F.L.
6. Dobado, J.A.
7. JoséMolina, null