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Highly Diastereoselective Mannich-Type Reactions of Chiral N -Acylhydrazones

✍ Scribed by Jacobsen, Mikkel F.; Ionita, Liviu; Skrydstrup, Troels


Book ID
127135729
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
102 KB
Volume
69
Category
Article
ISSN
0022-3263

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Chiral Zirconium-Catalyzed Asymmetric Mannich-Type Reactions Using Acylhydrazones as Imine Equivalents. -In the presence of a catalytic amount of a new zirconium catalyst derived from Zr(O-tBu) 4 and a modified BINOL ligand, hydrazones (I) react with silyl enolates to afford the corresponding adduct