Chiral ligand and method for preparing cyanohydrins from aldehyd

Details Chiral ligand and method for preparing cyanohydrins from aldehyd Chiral ligand and method for preparing cyanohydrins from aldehyd

1999-07-19

2000-04-25

Richter, Johann

Compositions

Chemically interactive reactants

Organic reactant admixed with inorganic reactant

558351, 564461, C09K 300, C07C25300, C07C21100

Patent

active

060540656

ABSTRACT:
A chiral ligand of the formula (I) or formula (I'), ##STR1## was synthesized. The chiral ligand (I) or formula (I') can chelate to metals to form a catalytic complex to catalyze the addition of trimethylsilyl cyanide to aldehydes to give optically active cyanohydrin, each individually.

REFERENCES:
patent: 5187296 (1993-02-01), Becker et al.
Hayashi et al, Asymetric Carbon--Carbon Bond Forming Reactions Catalyzed by Chiral Schiff Base--Titanium Alkoxide Complexes, Tetrahedron, 4385-4398, 1994.

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