LINEAR SOLVATION-ENERGY RELATIONSHIPS - SOLVOLYTIC REACTIONS OF TERT-BUTYL BROMIDE AND TERT-BUTYL IODIDE IN HYDROXYLIC SOLVENTS

被引:31
|
作者
GONCALVES, RMC [1 ]
SIMOES, AMN [1 ]
ALBUQUERQUE, LMPC [1 ]
机构
[1] UNIV LISBON,FAC CIENCIAS,DEPT QUIM,CECUL,CD BENTO ROCHA CABRAL 14,P-1200 LISBON,PORTUGAL
关键词
D O I
10.1039/p29900001379
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Solvent effects on the solvolytic reactions of ButBr and Bu tl in water, and 12 monoalcohols and 10 dialcohols, from 1 to 5 carbon atoms, have been analysed in terms of linear solvation energy relationships. The experimentally determined rate constants, at 25°C, are well correlated through equations of the form log k = a0 + a,g(η) + a2ETN + a3C where g(η) is a function of the refractive index, ETN is the normalized Dimroth and Reichardt parameter and C is the solvent cohesive pressure. The correlation analysis revealed significant information on the solvent-solvent-solute interactions. It is also shown that results are in good agreement with previous analysis using different approaches and other sets of solvents.
引用
收藏
页码:1379 / 1383
页数:5
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