奧美沙坦酯中基因毒性雜質(zhì)的檢測分離及質(zhì)量新標(biāo)準(zhǔn)研究
[Abstract]:Olmesartan ester is a specific angiotensin II receptor antagonist, which can produce halogenated group of genotoxic impurities in the process of industrial synthesis. In this paper, combined with the industrial production process of raw materials, high performance liquid chromatography (HPLC) was used to detect and isolate these trace genotoxic impurities, and the corresponding separation conditions were explored. A new quality standard for olmesartan ester, which considers the control of genotoxic impurities, has been developed. The main contents are as follows: (1) To establish a method for the detection and separation of brominated genotoxic impurities, C18 column (250 *4.6 mm, 5 micron), mobile phase: 0.1% glacial acetic acid aqueous solution (A): 0.1% glacial acetonitrile solution (B) = 15:85, detection wavelength: 254 nm, flow rate: 1.5 ml @ min-1, column temperature 5-(4', 4'-dibromomethylbiphenyl-2-yl) tetrazole (brominated impurity 1) and N-triphenylmethyl-5-(4', 4'-dibromomethylbiphenyl-2-yl) tetrazole (brominated impurity 2) were separated at 25 C. The specificity, repeatability, quantitative limit and detection limit of brominated impurity 1 and brominated impurity 2 were determined. The relative concentrations of impurities 1 and 2 were well linearized in the range of 0.03-0.25 ug.mL-1. The average recoveries were 94.37% and 94.43% respectively. The relative standard deviations were 2.38% and 2.72% respectively, which ensured the sensitivity and reliability of the method. (2) Establishment of chlorinated genotoxicity. The impurities were detected and separated by Kromasil Eternity 5-Phenyl Hexyl column (250 *4.6 mm); detection wavelength: 215 nm; flow rate: 1.0 ml/min; column temperature: 40 sample volume: 10 ml. mobile phase A: acetonitrile: 2.04 g L-1 potassium dihydrogen phosphate solution (pH 3.4) (20:80); mobile phase B: 2.04 g L-1 potassium dihydrogen phosphate solution (pH 3.4): acetonitrile (20:80); p-4-chloromethyl-5-5-phosphate solution (pH 3.4); Methyl-1,3-dioxacyclopentene-2-one (chlorinated impurity 1) and 4,5-dichloromethyl-1,3-dioxacyclopentene-2-one (chlorinated impurity 2) were validated by a series of methods. The results showed that the relative concentrations of chlorinated impurity 1 and 2 were 0.0003% and 0.0004% respectively, which were lower than the prescribed standard limit (0.0037%). To meet the requirements, product quality can be effectively monitored; (3) Through three batches of product properties, identification, content, inspection and other items of quality research and testing results, the development of new quality standards of olmesartan ester, including related substances, residual solvents used in the process acetone, ethyl acetate, N, N-dimethylacetamide, and other newly established genotoxic impurities Finally, the new quality standards of Omexatane Ester including genotoxic impurities were studied to ensure the quality control of Omexatane Ester in daily production.
【學(xué)位授予單位】:浙江工業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:O657.72;TQ463
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