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聚硅氧烷与冠醚均具有各自的独特性能,二者结合起来,有可能成为一类新型材料。Cram等首先进行了这方面的探索,他们将手征性双联萘基—22—冠—6键合于硅胶上,作为固—液色谱固定相,用以分离手征性胺盐。
Both polysiloxane and crown ether have their own unique properties, the two together, it may become a new type of material. Cram and others first conducted this exploration. They chiral binaphthyl-22-crown-6 bonded to silica gel, as solid-liquid chromatography stationary phase, for the separation of chiral amine salts.