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Stopped-flow kinetic analysis of the interaction of cyclo[8]pyrrole with anions

Title
Stopped-flow kinetic analysis of the interaction of cyclo[8]pyrrole with anions
Authors
Karnas E.Kim S.K.Johnson K.A.Sessler J.L.Ohkubo K.Fukuzumi S.
Ewha Authors
Shunichi Fukuzumi
SCOPUS Author ID
Shunichi Fukuzumiscopus
Issue Date
2010
Journal Title
Journal of the American Chemical Society
ISSN
0002-7863JCR Link
Citation
vol. 132, no. 46, pp. 16617 - 16622
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The on and off rates corresponding to the binding of two test anions (acetate, AcO -, and dihydrogen phosphate, H 2PO 4 -, studied as their tetrabutylammonium salts) to diprotonated cyclo[8]pyrrole have been determined in CH 3CN using stopped-flow analyses carried out at various temperatures. For dihydrogen phosphate, this afforded the activation enthalpies and entropies associated with both off and on processes. The different dynamic behavior seen for these test anions underscores the utility of kinetic analyses as a possible new tool for the advanced characterization of anion receptors. © 2010 American Chemical Society.
DOI
10.1021/ja107471x
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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