Method for analyzing isomers of enalapril and enalaprilat

C - Chemistry – Metallurgy – 07 – K

Patent

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C07K 5/062 (2006.01) A61K 38/05 (2006.01) C07D 207/16 (2006.01) C07D 487/04 (2006.01) C07K 5/02 (2006.01) C07K 5/078 (2006.01) G01N 30/88 (2006.01) G01N 33/15 (2006.01)

Patent

CA 2231043

A method for analyzing degradation products of stressed enalapril and enalaprilat is presented. The method comprises stressing an enalapril containing compound, separating the resulting products chromatographically, comparing the separated products to known reference standard compounds and analyzing the separated products with mass spectrometry. The standard reference compounds are SRS and SSR diastereomers of enalapril and enalaprilat.

L'invention porte sur un procédé d'analyse de produits de dégradation d'énalapril soumis à des contraintes et d'énalaprilat. Ce procédé consiste à soumettre à des contraintes un énalapril contenant un composé; à séparer les produits obtenus par chromatographie; à comparer les produits séparés avec des composés standards de référence; et à analyser les produits séparés par spectrométrie de masse. Les composés standard de référence sont les diastéréoisomères SRS et SSR d'énalapril et d'énalaprilat.

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