Anion receptors based on ureido-thiacalix[4]arenes |
| |
Authors: | Pavel Lhotá k,Ji?í Svoboda,Ivan Stibor |
| |
Affiliation: | Department of Organic Chemistry, Institute of Chemical Technology, Technicka 5, 166 28 Prague 6, Czech Republic |
| |
Abstract: | The regioselective ipso-nitration of tert-butylthiacalix[4]arene-tetrasulfone was used for the construction of thiacalixarene derivatives bearing one or two arylureido functions on the upper rim. The preorganization of ureido units using the thiacalix[4]arene moiety as a molecular scaffold leads to novel anion receptors with good complexation ability toward selected anions of various geometry (halides, carboxylates, HSO4−, H2PO4−, NO3−, CN−) in organic solvents. |
| |
Keywords: | Thiacalixarene Anion complexation NMR titration |
本文献已被 ScienceDirect 等数据库收录! |
|