Acid addition salts of imidazolidinones as reaction catalysts

Details Acid addition salts of imidazolidinones as reaction catalysts Acid addition salts of imidazolidinones as reaction catalysts

C - Chemistry, Metallurgy

07

D

C07D 233/32 (2006.01) B01J 31/02 (2006.01) C07B 37/12 (2006.01) C07B 53/00 (2006.01) C07C 45/69 (2006.01) C07C 67/293 (2006.01) C07D 307/46 (2006.01) C07D 493/08 (2006.01)

Patent

CA 2397644

Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are .alpha.,.beta.-unsaturated carbonyl compounds such as .alpha.,.beta.-unsaturated ketones and .alpha.,.beta.-unsaturated aldehydes. Chiral imidazolidinone salts can be used to catalyze enantioselective reactions, such that a chiral product is obtained from a chiral or achiral starting material in enantiomerically pure form.

La présente invention concerne des catalyseurs à base de sels d'addition acides d'imidazolidinones convenant à la transformation d'un groupe fonctionnel inclus dans un premier réactant par réaction avec un second réactant. De tels premiers réactants sont essentiellement des composés carbonyle .alpha.,.beta.-insaturés et notamment des cétones .alpha.,.beta.-insaturés et des aldéhydes .alpha.,.beta.-insaturés. Ces sels d'imidazolidinone chiraux conviennent pour la catalyse de réactions énantiosélectives, ce qui permet l'obtention d'un produit chiral à partir d'un matériau de départ chiral ou achiral sous une forme énantiomériquement pure.

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