期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 81, 期 20, 页码 9595-9604出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.6b01564
关键词
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资金
- Internal Funding Agency of Tomas Bata University in Zlin [IGA/FT/2016/001]
- Czech Science Foundation [16-05961S]
- Ministry of Education, Youth and Sports of the Czech Republic under Project CEITEC [LQ1601]
- CERIT Scientific Cloud under the program Projects of Large Research, Development, and Innovations Infrastructures [LM2015085]
Imidazolium-based guests containing two distinct binding epitopes are capable of binding beta-cyclodextrin and cucurbit[6/7]uril (CB) simultaneously to form heteroternary 1:1:1 inclusion complexes. In the final the hosts occupy binding sites disfavored in the binary complexes because of the chemically induced reorganization of the intermediate 1:1 aggregate. In addition, the reported guests are capable of binding two CBs to form either 1:2 or 1:1:1 ternary assemblies despite consisting of a single cationic moiety. Whereas the adamantane site binds CB solely via hydrophobic interactions, the CB unit at the butyl site is stabilized by a combination of hydrophobic and ion-dipole interactions.
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