New class of bifunctional thioureas from l-proline: highly enantioselective Michael addition of 1,3-dicarbonyls to nitroolefins

Autor: Vinayagam, Poopathy, Vishwanath, Manjunatha, Kesavan, Venkitasamy
Zdroj: In Tetrahedron: Asymmetry 15 April 2014 25(6-7):568-577
Databáze: ScienceDirect