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KMID : 0380319730100000031
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Journal of Korean Research Institute for Better Living
1973 Volume.10 No. 0 p.31 ~ p.35
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The Kinetics and Mechanism of Nucleophilic Addition Reaction of Carbon-carbon Double Bond
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Abstract
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The rate equation for the nucleophilic addition reaction of n-butylmercaptan to 3, 4dihydroxy cinnamic acid over wide pH range was obtained.
The mechanism of the nucleophilic addition reaction is quite different in acid and basic media: the addition of mercaptan started as a molecule in the acid media below pH 6, while above pH 9, as a mercaptide ion.
From the rate equation, the rate equation, the rate constant for n-butylmer-captide ion at basic side was obtained numerically as 3.13 X 10^3M^-2 sec.^-1, and for n-butylmercaptan at acid side 4.13 X 10^-3M^-1 sec.^-1 respectively.
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