Yin-Chao Li

Zhengzhou University, Cheng, Henan Sheng, China

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Publications (1)1.18 Total impact

  • Wei Liu · Bing Zhao · Yin-Chao Li · Hong-Min Liu ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Complexations between three oridonin derivatives and β-cyclodextrin (βCD) were studied by nuclear magnetic resonance (NMR) method. Job's plots for complexes were depicted by (1) H NMR spectra chemical shifts, which proved the 1:1 stoichiometry inclusion complex formation between each derivative and βCD. Two-dimensional rotating frame overhauser effect spectroscopy (2D ROESY) support the above conclusion and also proved that ring A of each oridonin derivative deeply enters into hydrophobic cavity from the wider rim and the other parts are outside the cavity. Apparent formation constants (K(a) ) of complexes between three oridonin derivatives and two CDs are calculated according to Scott's equation. Copyright © 2011 John Wiley & Sons, Ltd.
    Magnetic Resonance in Chemistry 09/2011; 49(9). DOI:10.1002/mrc.2770 · 1.18 Impact Factor

Publication Stats

1 Citation
1.18 Total Impact Points


  • 2011
    • Zhengzhou University
      Cheng, Henan Sheng, China