Pb2+ and Cd2+ selective chemically modified field effect transistors based on thioamide functionalized 1,3-alternate calix[4]arenes

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Lugtenberg, Ronny J.W. and Egberink, Richard J.M. and Engbersen, Johan F.J. and Reinhoudt, David N. (1997) Pb2+ and Cd2+ selective chemically modified field effect transistors based on thioamide functionalized 1,3-alternate calix[4]arenes. Journal of the Chemical Society. Perkin transactions II, 1997 (7). pp. 1353-1357. ISSN 0300-9580

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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.
Item Type:Article
Copyright:© 1997 Royal Society of Chemistry
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/11121
Official URL:http://dx.doi.org/10.1039/a608063d
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Metis ID: 106004