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Date of Award
Thesis - Pacific Access Restricted
Master of Science (M.S.)
Michael J. Minch
First Committee Member
Donald K. Wedegaertner
Second Committee Member
Paul H. Gross
A general synthetic method for the synthesis of a new class of chiral surfactants with reactive OH groups was investigated. The surfactarits were made by quaternizing the corresponding tertiary amine, in isopropyl alcohol. These surfactants with -OH groups may form tightly-packed non-spherical micelles in the presence of WaOH or alkylamine and these .micelles, just like enzyme catalysts, may serve as stereoselective templates. In order to evaluate this stereospecificity, a kinetic study of the reactivity of several chi~al reactants in the presence of these micelles, was initiated. The first-order rate constant K for 4- nitrostyrene formation from p-nitrophenethyl trimethylammonium iodide in 0.1 M NaOH at 39°C, increased as a function of surfactant concentration Cs in a manner suggesting micellar catalysis. The data show that N-methyl Ndodecyl 3-hydroxy-piperidinium bromide (DPBr) is a better catalyst than N,N-dimethyl-N-[2-hydroxyethyTI N-hexadecylammonium bromide (CTOH) in the E2 elimination, probably because it is more hydrophobic. This high activity suggests that chiral surfactants may induce chirality.
Chen, Shin-Shin. (1992). Theophylline disposition in patients with hepatic disease and congestive heart failure : a thesis .... University of the Pacific, Thesis - Pacific Access Restricted. https://scholarlycommons.pacific.edu/uop_etds/2239
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