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冠醚是一类大环多醚类化合物。它具有使碱金属的盐溶解于非极性溶剂的能力,因而提高了在非极性溶剂中不容易溶剂化的阴离子的活性。由于冠醚有上述特点,故
Crown ether is a class of macrocyclic polyether compounds. It has the ability to dissolve alkali metal salts in non-polar solvents, thereby increasing the activity of anions that are not readily solvated in non-polar solvents. Crown ether has the above characteristics, therefore