期刊
TETRAHEDRON LETTERS
卷 52, 期 29, 页码 3751-3755出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.05.048
关键词
Calix[4]arene; Host-guest; Molecular recognition; Cavity; Water-soluble
资金
- Ministry of Knowledge and Economy
In this Letter, the role of the depth of the cavity in the recognition processes of the guests by the hosts has been investigated. The hosts 2, 3 interact with both the cationic function and the aromatic moiety in the guests 5, 6 but with a slight preference for the cationic functions. The host 4 selectively recognizes the trimethylammonium functions of the guests 5 and 6. However, the host 1 selectively recognizes the aromatic moiety of the ditopic trimethylammonium guests 5 and 6. The recognition and orientation of the guest in the cavity of the host are directly dependent on the depth of the hydrophobic cavity of the host. (C) 2011 Elsevier Ltd. All rights reserved.
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