C sub(3-Symmetric chiral trisimidazoline: the role of a third imidazoline and its application to the nitro Michael reaction and the alpha -amination of beta -ketoesters)
We describe the necessity of the C sub(3-symmetry and the role of a third imidazoline of trisimidazoline 3, which was recently developed by us as a new entry of organocatalyst. The utility of 3 as a Broensted base catalyst in the nitro Michael reaction and the alpha -amination of beta -ketoesters wa...
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Veröffentlicht in: | Tetrahedron 2011-07, Vol.67 (26), p.4862-4868 |
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Hauptverfasser: | , , , , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | We describe the necessity of the C sub(3-symmetry and the role of a third imidazoline of trisimidazoline 3, which was recently developed by us as a new entry of organocatalyst. The utility of 3 as a Broensted base catalyst in the nitro Michael reaction and the alpha -amination of beta -ketoesters was shown, and the recyclability of the catalyst was also demonstrated.) |
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ISSN: | 0040-4020 |
DOI: | 10.1016/j.tet.2011.05.005 |