The complexation behaviors of anthracenecarboxylic acid and water-soluble cationic pillararenes have been investigated by 1H NMR,UV-vis and ITC methods.The cationic pillar[6]arene was found to stepwise form 1:1 and 1...The complexation behaviors of anthracenecarboxylic acid and water-soluble cationic pillararenes have been investigated by 1H NMR,UV-vis and ITC methods.The cationic pillar[6]arene was found to stepwise form 1:1 and 1:2 complexes,having a large K1 and a relatively small K2 values.Photocyclodimerization of AC within the pillar[6]arene improved the yield of the head-to-head photodimers.Up to 4.97 HH/HT ratio has been reached by optimizing the reaction conditions.展开更多
基金supported by the grants from National Natural Science Foundation of China (Nos. 21372165, 21321061 and 21572142 for CY, No. 21402129 for WW)State Key Laboratory of Polymer Materials Engineering (No. sklpme2014-2-06)
文摘The complexation behaviors of anthracenecarboxylic acid and water-soluble cationic pillararenes have been investigated by 1H NMR,UV-vis and ITC methods.The cationic pillar[6]arene was found to stepwise form 1:1 and 1:2 complexes,having a large K1 and a relatively small K2 values.Photocyclodimerization of AC within the pillar[6]arene improved the yield of the head-to-head photodimers.Up to 4.97 HH/HT ratio has been reached by optimizing the reaction conditions.