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Kinetic Analysis by High Pressure and High Vacuum Apparatus for the Nucleophilic Substitution Reaction
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2004, v.17 no.5, pp.375-380
(2004). Kinetic Analysis by High Pressure and High Vacuum Apparatus for the Nucleophilic Substitution Reaction. Analytical Science and Technology, 17(5), 375-380.
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Abstract
Kinetics have been studied by high vacuum and high pressure apparatus under various temperatures and pressures for the nucleophilic substitution reaction. Rate constants, activated parameters and Hammett -values are determined. The values of ΔV , Δβ and ΔS are all negative. The Hammett -values are negative for the nucleophile ( x) over the pressure range studied. Consequently the rate constant increases as the pressure increases, and some decrease in vacuum. So these reactions proceed in typical SN2 reaction mechanism.
- keywords
- high pressure, high vacuum, kinetics
Reference
1
(1964) Advances in Physical Organic Chemistry, Academic Press
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