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 |
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Zdroj: | In Tetrahedron: Asymmetry 15 April 2014 25(6-7):568-577 |
Databáze: | ScienceDirect |
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