含氨基酸单元手性脲的对映体识别性能研究
寇新慧*(
), 张玉冰
), 张玉冰
Study on the Enantiomeric Recognition of Chiral Ureas Containing Amino Acid Units
KOU Xinhui*(), ZHANG Yubing
), ZHANG Yubing
图5. (a)在L-Phe-U和DMAP作用下，不同ee值的R-扁桃酸、S-扁桃酸的1H NMR谱；(b)实验设计ee值与实验检测ee值的线性相关图
Fig. 5. (a) Selected region of the 1H NMR spectra of mandelic acid of various enantiomeric impurities in the presence of L-Phe-U and DMAP; (b) Correlation between prepared and observed ee values obtained by 400 MHz 1H NMR titrations of enantiomerically enriched mixtures of mandelic acid using L-Phe-U and DMAP in CDCl3
