Scavenging of the radical species formed in the sonochemical excitation of styrenes

被引:15
作者
Ando, T [1 ]
Kimura, T
Fujita, MA
Levêque, JM
Luche, JL
机构
[1] Shiga Univ Med Sci, Dept Chem, Otsu, Shiga 5202192, Japan
[2] Univ Savoie, Lab Chim Mol & Environm, F-73376 Le Bourget Du Lac, France
关键词
ultrasound; sonochemistry; styrene; vapor pressure; linear free energy relationship;
D O I
10.1016/S0040-4039(01)01395-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The sonochemical excitation of 4-substituted styrenes in acetic acid was studied by quenching the radical species with pyrocatechol. The rate-limiting vaporization step, evidenced by the linear free energy relationship (LFER) between the excitation and the vapor pressure of the styrenes, is a characteristic of the sonochemical reactivity in a homologous series of substrates. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:6865 / 6867
页数:3
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