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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
Study on the Enantiomeric Recognition of Chiral Ureas Containing Amino Acid Units
KOU Xinhui*(), ZHANG Yubing

图4. 在L-Phe-U和DMAP(3 : 1)作用下,不同浓度的rac-MA CαH的1H NMR谱图(CDCl3

Fig. 4. 1H NMR spectra of the benzylic C-H protons of rac-MA mixtures with varying concentrations in the presence of 3.0 equivalents of L-Phe-U and 1.0 equivalent of DMAP in CDCl3