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Substitution Effect on Solvolysis Rate of Arylamides of Phosphoric Acid

E. Karásková, J. Mollin, and F. Kašpárek

Department of Inorganic and Physical Chemistry, Faculty of Natural Sciences, Palacký University, CS-771 46 Olomouc

 

Abstract: The rate of alkaline solvolysis of some diaryl esters of arylamides of phosphoric acid was measured in the mixtures water-methanol and water-2-propanol. The second-order rate constant k°OH of hydrolytic and k°MeO of methanolic reactions were calculated from measured rate constants kexp , known concentration ratio of reaction products, and known ratio of lyate ions activities. The effect of methyl group in position 2 or 4 on the change of rate constants is discussed.

Full paper in Portable Document Format: 463a178.pdf

 

Chemical Papers 46 (3) 178–181 (1992)

Tuesday, May 21, 2024

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