A，B，C的对映体过量值（enantiomer excess,ee)分别为99％，90％和82％。结论 DHQD-PHAL-OPEG-OMe/OsO4可有效催化烯的不对...
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在最佳反应条件下反应的产率达到98.5%，产物的对映体过量值达到100%。
In response to the best conditions, the reaction rate achieved 98.5% and the enantiomer excess value achieved 100%.
本文对质谱动力学方法用于手性化合物对映体过量值测定的原理、改进方法、应用领域进行了评述。
The kinetic method is a rapid, simple, sensitive technique with no wet-chemical and chromatographic steps needed, so it has been widely used in the field of...
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