Micelles of an Oxime-Functionalized Imidazolium Surfactant. Reactivities at Phosphoryl and Sulfonyl Groups

Micelles of deprotonated 1-cetyl-3-(2-oximopropyl)imidazolium chloride strongly accelerate displacements of 4-nitrophenoxide ion from 4-nitrophenyl diethyl phosphate and 4-nitrophenyl tosylate. The first-order rate constants of reactions of fully bound substrates are similar to those predicted from...

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Bibliographic Details
Published in:Langmuir 2001-02, Vol.17 (3), p.581-582
Main Authors: Simanenko, Yurii S, Karpichev, Eugen A, Prokop'ev, Tatyana M, Panchenko, Boris V, Bunton, Clifford A
Format: Article
Language:English
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Summary:Micelles of deprotonated 1-cetyl-3-(2-oximopropyl)imidazolium chloride strongly accelerate displacements of 4-nitrophenoxide ion from 4-nitrophenyl diethyl phosphate and 4-nitrophenyl tosylate. The first-order rate constants of reactions of fully bound substrates are similar to those predicted from second-order rate constants of reactions of deprotonated 1-methyl-3-(2-oximopropyl)imidazolium chloride in water and a reasonable value of the molar volume of the micellar interfacial region.
ISSN:0743-7463
1520-5827
DOI:10.1021/la001327g