Recoverable Dendritic Phase-Transfer Catalysts that Contain (+)-Cinchonine-Derived Ammonium Salts

1. Rull, J.
2. Jara, J.J.
3. Sebastián, R.M.
4. Vallribera, A.
5. Nájera, C.
6. Majoral, J.-P.
7. Caminade, A.-M.