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Browse Dissertations and Theses - Chemistry by Title
Now showing items 1349-1368 of 2941
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(2000)Aryl(fluoro)silacyclobutanes and aryl(chloro)silacyclobutanes have been found to undergo cross-coupling reactions with aryl iodides. The rate of reaction and extent of homocoupling were dramatically affected by the addition ...
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(2006)The pH-rate profiles for active site mutants Lys76Ala, Glu266G1n, and Arg237Lys are also bell-shaped and the higher pKa of each is 8.4, which is also consistent with that observed for the pH dependence of sulfite inhibition ...
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(2000)Metal deposition from hexafluoroacetylacetonate complexes is also examined on Cu(111) and Pt(100) surfaces single crystal surfaces. In the case of the Rh(hfac)(C2H4)2 and Pt(hfac)2 on a copper surface, the transfer of the ...
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(1986)Tetraalkylammonium salts are shown to quench the fluorescence of the pyrene-N,N-dimethylaniline exciplex in solvents of low dielectric constant. Linear Stern-Volmer plots are obtained for quenching of both lifetime and ...
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(1981)The rates of reaction for the oxidative addition of hydrogen and deuterium gas to Ir(CO)Cl{P(C(,6)H(,5))(,3)}(,2) (Vaska's compound) have been accurately measured over the temperature range 0-50(DEGREES)C in toluene. The ...
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(1995)Regulations on the allowable emissions of toxic gases have resulted in increasing industrial interest in the development of energy efficient methods for remediation. In this work we computationally study the application ...
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(1992)An electrochemical approach has been used to switch adsorbate monolayers on a mercury surface between two competing adsorbates. The principle is that the adsorption strength of silicotungstic acid (SiW$\sb{12}$) is stronger ...
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(1986)The reaction of N,N-dialkyl-2,4,6-triisopropylbenzamides with sec-butyllithium in cyclohexane yields a product in which metalation has occurred exclusively at the carbon adjacent to nitrogen and syn to the carbonyl group. ...
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(1983)The mechanism of the reaction of 4,4'-dimethoxythiobenzophenone with Grignard reagents was investigated kinetically by stopped-flow spectroscopy. The reaction of this thioketone with methylmagnesium bromide in ether at ...
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(1983)The kinetics of the reactions of alkyllithium reagents with ketones and esters in cyclohexane and benzene have been investigated by stopped-flow infrared spectroscopy at 25.0(DEGREES)C. A series of substituted phenyl-sec-butyl ...
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(1981)Dinuclear metal carbonyl compounds, M(,2)(CO)(,2m)L(,2n), generally possess an intense UV absorption corresponding to a (sigma) (--->) (sigma)* transition of an electron in the metal-metal bond. Irradiation into this ...
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(1975)
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(1981)Reaction of Co(,2)(CO)(,8) with bases of low nucleophilicity, e.g. P(CH(,2)CH(,2)CN)(,3) or P(O-i-Pr)(,3), or large steric requirement, e.g. P(t-Bu)(,3), results in formation of substituted dinuclear species of the form ...
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Now showing items 1349-1368 of 2941