外消旋体的动力学拆分反应是制备手性化合物的重要方法之一。
The kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.
从螺旋理论看，芳香轮烯和非芳香轮烯都是内消旋体和外消旋体的混合物，故都不呈现旋光性。
In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.
外消旋体拆分是获得单一手性化合物的重要途径。
Raceme separation is the main rout for preparation of pure enantiomers.
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