期刊
TETRAHEDRON
卷 61, 期 24, 页码 5763-5768出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2005.04.026
关键词
host molecule; cyclodextrin; spacer insertion; inclusion ability
Novel cyclic host molecules were synthesized by the insertion of three types of aromatic spacers into the skeleton of permethylated alpha-cyclodextrin. These host molecules formed a 1:1 complex with sodium 3- and 4-nitrobenzenesulfonates (3- and 4-NBS), and sodium 2,4-dinitrobenzenesulfonate (DNBS) in D2O/CD3OD (4:1) solution. The type of spacer inserted remarkably affected the inclusion ability of the hosts toward DNBS. The p-xylylene-inserted CDs showed greater inclusion ability toward DNBS than permethylated alpha- and beta-CDs. (c) 2005 Elsevier Ltd. All rights reserved.
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