This article developed a two-step separating approach of cucurbit[n]uril compound, which was based on the different solubility of cucurbit[n]uril in water and hydrochloric acid.

• 根据各元瓜环在水和盐酸两种溶剂中溶解度的不同,提出了一种通过水-盐酸两步分离混合瓜环的方法。