Diastereoselective addition of lithiated n-methylimidazole...

Details Diastereoselective addition of lithiated n-methylimidazole... Diastereoselective addition of lithiated n-methylimidazole...

C - Chemistry, Metallurgy

07

D

C07D 401/06 (2006.01)

Patent

CA 2563805

A diastereoselective synthesis process for the preparation of (R)-(+)- 6- [amino(4~-chlorophenyl)(1-methyl-1H-imidazol-5-yl)methyl]-4-(3-chlorophenyl)-1- methyl~2(1H)-quinolinone which comprises the preparation of a compound of formula (VIII) and the stereochemically isomeric forms thereof wherein R is C1- 6alkyl or C1-6alkylphenyl-.

L'invention concerne un procédé de synthèse diastéréosélective pour la préparation de (R)-(+)- 6-[amino(4-chlorophényl)(1-méthyl-1<I>H</I>-imidazol-5-yl)méthyl]-4-(3-chlorophényl)-1-méthyl-2(1<I>H</I>)-quinolinone faisant appel à la préparation d'un composé de formule (VIII) ainsi que des formes stéréochimiquement isomères de ce dernier. Dans ladite formule (VIII), R représente alkyle C¿1-6? ou alkylphényle C¿1-6?.

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