Aboul-Enein H Y, Ali I
Pharmaceutical Analysis Laboratory, Biological and Medical Research Department (MBC-03), King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.
Pharmazie. 2001 Mar;56(3):214-6.
Racemic nebivolol, a beta-adrenergic blocker showing very promising beta-adrenergic antagonist properties in comparison to other beta-adrenergic blockers has been resolved by HPLC under normal and reversed phase modes. The columns used were Chiralpak AD and Chiralpak AD-RH containing amylose tris (3,5-dimethyl phenyl carbamate) as the chiral selector. The mobile phases used were pure ethanol and 1-propanol. The flow rates used were 0.5, 1.0 and 1.5 ml/min. The best resolution was achieved at 0.5 ml/min. flow rate with ethanol and 1-propanol on both Chiralpak AD and Chiralpak AD-RH stationary phases. The values of infinity for both alcohols on Chiralpak AD were 1.38 while on Chiralpak AD-RH these values were 1.41 and 1.38 respectively. The values of Rs for ethanol and 1-propanol were 2.63 and 1.71 on Chiralpak AD and 1.73 and 1.76 on Chiralpak AD-RH respectively.
消旋奈必洛尔是一种β-肾上腺素能阻滞剂,与其他β-肾上腺素能阻滞剂相比,具有非常有前景的β-肾上腺素能拮抗剂特性。它已通过高效液相色谱法在正相和反相模式下拆分。所使用的色谱柱是Chiralpak AD和Chiralpak AD-RH,它们含有直链淀粉三(3,5-二甲基苯基氨基甲酸酯)作为手性选择剂。所使用的流动相是纯乙醇和1-丙醇。所使用的流速为0.5、1.0和1.5毫升/分钟。在流速为0.5毫升/分钟时,使用乙醇和1-丙醇在Chiralpak AD和Chiralpak AD-RH固定相上均实现了最佳拆分。在Chiralpak AD上两种醇的无穷大值均为1.38,而在Chiralpak AD-RH上这些值分别为1.41和1.38。在Chiralpak AD上乙醇和1-丙醇的分离度值分别为2.63和1.71,在Chiralpak AD-RH上分别为1.73和1.76。