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KMID : 0616619960020010047
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Journal of Soonchunhyang Medical College
1996 Volume.2 No. 1 p.47 ~ p.55
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Kienetics and Mechanism of the Hydrolysis
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Abstract
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The rate constants for the hydrolysis of 4-Nitrostyryl-phenylsulfone were determined by UV spectrophotometer in 50% methanol-water at 29˚C and a rate equation which can be applied overwide pH range was obtained.
From this equation, we may conclude the following; above pH 12, the over-all rate is only dependent on the concentration of hydroxide ion and below pH 9. 5, the reaction is initiated by the attack of a water molcule on the activated carbon-carbon double bond. In the range of pH from 9.5 to 12, these two reactions occur competitively.
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