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解决方案
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2-O-(2-Hydroxybutyl)- -cyclodextrin as a Chiral Sel
发布:北京华阳利民仪器有限公司浏览次数:493A new -cyclodextrin (-CD) derivative, 2-O-(2-hydroxybutyl)--CD (HB--CD), was successfully synthesized and used as chiral selector in capillary zone electrophoresis. Six chiral drugs, such as anisodamine, ketoconazole, propranolol, promethazine, adrenaline and chlorphenamine enantiomers, belonging to different classes of compounds of pharmaceutical interest were resolved. The chiral resolution (Rs) was strongly influenced by the concentrations of the cyclodextrin derivative, the background electrolyte, and the pH of the background electrolyte. Under the conditions of 50 mmol/L tris-phosphate buffer at pH 2.5 containing 5 mmol/L 2-O-(2-hydroxybutyl)--CD, the baseline separation of enantiomers, such as anisodamine (Rs = 3.10), ketoconazole (Rs = 3.01), propranolol (Rs = 3.87), promethazine (Rs = 3.63), adrenaline (Rs = 3.42) and chlorphenamine (Rs = 2.96), could be achieved. GX毛细管电泳仪(紫外检测)CL1030
2007-06-18相关仪器 -
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