A bimetallic titanium(salen) complex has been shown to catalyse the asymmetric addition of potassium cyanide to aldehydes in the presence of a range of anhydrides. leading to cyanohydrin esters. Linear aliphatic anhydrides (acetic and propionic) gave products with higher enantiomeric purity than those obtained using pivalic or benzoic anhydrides.
Catalytic, asymmetric synthesis of cyanohydrin esters: The effect of anhydride structure on enantioselectivity
Carta P;
2004
Abstract
A bimetallic titanium(salen) complex has been shown to catalyse the asymmetric addition of potassium cyanide to aldehydes in the presence of a range of anhydrides. leading to cyanohydrin esters. Linear aliphatic anhydrides (acetic and propionic) gave products with higher enantiomeric purity than those obtained using pivalic or benzoic anhydrides.File in questo prodotto:
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