217812-12-9Relevant academic research and scientific papers
Chiral zirconium-catalyzed asymmetric mannich-type reactions using acylhydrazones as imine equivalents
Kobayashi, Shu,Hasegawa, Yoshiki,Ishitani, Haruro
, p. 1131 - 1132 (1998)
In the presence of a catalytic amount of a new zirconium catalyst, prepared from zirconium(IV) t-butoxide and (R)-3,3′-dibromo-1, 1′-bi-2-naphthol, 4-trifluoromethylbenzoyl-hydrazones reacted with silyl enolates to afford the corresponding adducts, β-N′-a
