corrrelation of the specific rates of solvolysis of ethyl fluoroformate using the extended grunwald-winstein equation特定的溶剂分解率的对比乙fluoroformate使用扩展grunwald-winstein方程.pdfVIP

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corrrelation of the specific rates of solvolysis of ethyl fluoroformate using the extended grunwald-winstein equation特定的溶剂分解率的对比乙fluoroformate使用扩展grunwald-winstein方程.pdf

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corrrelation of the specific rates of solvolysis of ethyl fluoroformate using the extended grunwald-winstein equation特定的溶剂分解率的对比乙fluoroformate使用扩展grunwald-winstein方程

Int. J. Mol. Sci. 2009, 10, 929-941; doi:10.3390/ijm OPEN ACCESS International Journal of Molecular Sciences ISSN 1422-0067 /journal/ijms Article Corrrelation of the Specific Rates of Solvolysis of Ethyl Fluoroformate Using the Extended Grunwald-Winstein Equation Mi Hye Seong 1, Jin Burm Kyong 1,*, Young Hoon Lee 2 and Dennis N. Kevill 3,* 1 Department of Chemistry and Applied Chemistry, Hanyang University, Ansan-si, Gyeonggi-do 426- 791, Korea 2 Department of Food and Biotechnology, Hanseo University, Seosan, ChungNam, 356-706, Korea; E-Mail: chemtec@hanseo.ac.kr 3 Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115- 2862, USA * Authors to whom correspondence should be addressed; E-Mails: jbkyong@hanyang.ac.kr (J.B.K.); dkevill@ (D.N.K.) Received: 15 February 2009 / Accepted: 27 February 2009 / Published: 2 March 2009 Abstract: The specific rates of solvolysis of ethyl fluoroformate have been measured at 24.2 °C in 21 pure and binary solvents. These give a satisfactory correlation over the full range of solvents when the extended Grunwald-Winstein equation is applied. The sensitivities to changes in the N solvent nucleophilicity scale and the Y solvent ionizing T Cl power scale, and the kF/kCl values are very similar to those for solvolyses of n-octyl fluoroform