Densely substituted unnatural l- and d-prolines as catalysts for highly enantioselective stereodivergent (3 + 2) cycloadditions and aldol reactions

1. Conde, E.
2. Bello, D.
3. De Cózar, A.
4. Sánchez, M.
5. Vázquez, M.A.
6. Cossío, F.P.