Stoichiometric Solvation Effects

Bulletin of the Korean chemical society

In Sun Koo¹  Ikchoon Lee¹  Hyeon Bae Shin¹  Kiyull Yang¹  Sun Kyoung An¹  Jong Pal Lee¹ 

关键词: Dispersions;    Kinetic solvent isotope effects;    Stoichiometric solvation effect;   

DOI  :  

学科分类：化学（综合）

来源: Korean Chemical Society

【 摘 要 】

Solvolyses of isopropylsulfonyl chloride (IPSC) in water, D2O, CH3OD, and in aqueous binary mixtures of acetone, ethanol and methanol are investigated at 25, 35 and 45 oC. The Grunwald-Winstein plot of first-order rate constants for the solvolytic reaction of IPSC with YCl (based on 2-adamantyl chloride) shows marked dispersions into three separate lines for three aqueous mixtures with a small slope (m < 0.30). The extended Grunwald-Winstein plots for the solvolysis of IPSC show better correlation. The kinetic solvent isotope effects determined in water and methanol are in consistent with the proposed mechanism of the general base catalyzed and/or SAN/SN2 reaction mechanism for IPSC solvolyses based on mass law and stoichiometric solvation effect studies.

【 授权许可】

Unknown