functionality-enhanced chiral selectivity was elucidated in different elution modes. Higher chiral resolutions were shown in the RP-elution mode due to the inclusion complexation in comparison to the NP-elution mode. The highest chiral resolution of 4.40 was achieved for 4ClPh-OPr, with 12 racemic pairs baseline separated in RP-HPLC. The addition of organic modifiers in mobile phases plays an important role
阳离子
环糊精(CD)单击双层手性固定相(C
SP)通过单击
化学可在多模式高效色谱(HPLC)中进行手性分离。在反相(RP)和正相(NP)HPLC中,使用17种模型外消旋对(包括芳族醇,类
黄酮和
异恶唑啉对映体)评估了这种新型C
SP的多功能性。在不同的洗脱模式下阐明了CD功能增强的手性选择性。与NP洗脱模式相比,由于包合物的络合,RP洗脱模式显示出更高的手性拆分度。4ClPh-OPr的最高手性拆分度为4.40,在RP-HPLC中基线分离出12个外消旋对。流动相中有机改性剂的添加在优化NP-HPLC中阳离子CD双层C
SP的对映选择性方面起着重要作用。