financially supported by the National Natural Science Foundation of China (Nos. 21572063 and 21372076);the Science Fund for Creative Research Groups (No. 21421004);the Program of Introducing Talents of Discipline to Universities (No. B16017);the Fundamental Research Funds for the Central Universities (No. 222201717003)
4-Nitro-benzendiazonium (4-NBD) was found to form a 1:1 host-guest complex (NBD@CB) with cucurbit[7]uril (CB[7]) in aqueous solution and 4-NBD enters into the cavity of CB[7] with a binding constant of1.28 x 10~5 L/mo...