Abstract
Novel calix[4]arenes fixed in the 1,3-alternate conformation and functionalized with thioamide groups have been synthesized and their selectivities for Pb2+ and Cd2+ ions in chemically modified field effect transistors (CHEMFETs) have been evaluated. The 25,27-bis(dimethylaminothiocarbonylmethoxy)-26,28-dipropoxycalix[4]arene 3 in the 1,3-alternate conformation is more selective for Pb2+ than the analogous cone conformer. The 1,3-alternate calix[4]arene 8 having, in the 25- and 27-positions, two pairs of vicinal thioamide moieties at the same face of the molecule, has the highest selectivities for Cd2+ reported so far.
Original language | Undefined |
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Pages (from-to) | 1353-1357 |
Journal | Journal of the Chemical Society. Perkin transactions II |
Volume | 1997 |
Issue number | 7 |
DOIs | |
Publication status | Published - 1997 |
Keywords
- METIS-106004
- IR-11121