以羧甲基-β-环糊精(CM-β-CD)作为手性流动相添加剂,采用高效液相色谱法对盐酸去甲苯福林对映体进行分离研究。系统考察了流动相配比、pH值以及流速对分离的影响。结果表明:流动相中甲醇∶乙腈∶水=15∶70∶15(其中CM-β-CD的浓度为0.6...以羧甲基-β-环糊精(CM-β-CD)作为手性流动相添加剂,采用高效液相色谱法对盐酸去甲苯福林对映体进行分离研究。系统考察了流动相配比、pH值以及流速对分离的影响。结果表明:流动相中甲醇∶乙腈∶水=15∶70∶15(其中CM-β-CD的浓度为0.6 g/L)、流速=0.2 m L/min、pH=4.25、检测波长为214 nm时,盐酸去甲苯福林对映体的分离度为1.53。展开更多
The method for the separation of clorprenaline hydrochloride enantiomers was developed using reversed phase high-performance liquid chromatography(RP-HPLC)with carboxymethyl-β-cyclodextrin(CM-β-CD)as chiral mobile p...The method for the separation of clorprenaline hydrochloride enantiomers was developed using reversed phase high-performance liquid chromatography(RP-HPLC)with carboxymethyl-β-cyclodextrin(CM-β-CD)as chiral mobile phase additive.The effects of concentration of CM-β-CD,organic solvents(type and concentration)and flow rate on the enantiomers separation was studied systematically.Separation was performed on a Diamond C18 column.The best separation was obtained with methanol-acetonitrile-water(80∶10∶10,v/v/v)mixed with 0.40g/L CM-β-CD as mobile.The optimal flow rate was 0.20 mL/min.The detection wavelength was set at 216 nm.Under the optimized conditions,the resolution of enantiomers was 1.60 in 30 minutes,The method was simple and fast with small relative standard deviations.展开更多
文摘以羧甲基-β-环糊精(CM-β-CD)作为手性流动相添加剂,采用高效液相色谱法对盐酸去甲苯福林对映体进行分离研究。系统考察了流动相配比、pH值以及流速对分离的影响。结果表明:流动相中甲醇∶乙腈∶水=15∶70∶15(其中CM-β-CD的浓度为0.6 g/L)、流速=0.2 m L/min、pH=4.25、检测波长为214 nm时,盐酸去甲苯福林对映体的分离度为1.53。
文摘The method for the separation of clorprenaline hydrochloride enantiomers was developed using reversed phase high-performance liquid chromatography(RP-HPLC)with carboxymethyl-β-cyclodextrin(CM-β-CD)as chiral mobile phase additive.The effects of concentration of CM-β-CD,organic solvents(type and concentration)and flow rate on the enantiomers separation was studied systematically.Separation was performed on a Diamond C18 column.The best separation was obtained with methanol-acetonitrile-water(80∶10∶10,v/v/v)mixed with 0.40g/L CM-β-CD as mobile.The optimal flow rate was 0.20 mL/min.The detection wavelength was set at 216 nm.Under the optimized conditions,the resolution of enantiomers was 1.60 in 30 minutes,The method was simple and fast with small relative standard deviations.