Abdulla, Shabaan A.; Frag, Eman Y.; Ahmed, Heba E. published an article about the compound: (S)-3-((S)-2-(((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl)amino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid hydrochloride( cas:89396-94-1,SMILESS:O=C([C@H](CN1C)N(C([C@@H](N[C@@H](CCC2=CC=CC=C2)C(OCC)=O)C)=O)C1=O)O.[H]Cl ).Product Details of 89396-94-1. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:89396-94-1) through the article.
An aqueous alk. degradation study was performed for imidapril hydrochloride (IMD) drug in the presence of its degradation products and an isocratic stability indicating method was presented using a HPLC technique. The separations were performed using an ACE Generix 5C8, 150 × 4.6 mm column and a mobile phase consisting of buffer solution (0.1 M potassium dihydrogen phosphate and 0.02 M tetra-N-Bu ammonium hydrogen sulfate of pH = 4.5 with 1 N HCl) and acetonitrile 60 : 40 (volume/volume). The wavelength of the detector was adjusted at 210 nm. The method showed high sensitivity concerning accuracy, precision, linearity and specificity within the acceptable range from 0.1 to 100 μg mL-1 and the limit of quantification was found to be 0.0211 μg mL-1 for IMD. The proposed method was used to determine the drug in its pharmaceutical formulation and to investigate the degradation kinetics of the drug’s alk.-stressed sample. The reactions were found to follow a first-order reaction. The activation energy could also be estimated The optimized stability indicating HPLC method was validated according to ICH guidelines.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”