Inverse phase transfer catalysis versus interfacial catalysis. Effect of medium stirring in the epoxidation reaction of chalcone by hydrogen peroxide

被引：12
|
作者：
Boyer, B
Hambardzoumian, A
Roque, JP
Beylerian, N
机构：
[1] Univ Montpellier 2, Chim Organ Phys Lab, F-34095 Montpellier 5, France
[2] Yerevan State Univ, Dept Phys & Colloid Chem, Yerevan 375049, Armenia
来源：
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 2002年 / 10期
关键词：
Critical micelle concentration - Hydrogen peroxide - Micelles - Surface active agents;
D O I：
10.1039/b204953h
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The epoxidation of chalcone by H2O2 has been investigated in a water-heptane two-phase system in the presence of a surfactant (dodecyltrimethylammonium bromide; DTAB) in order to analyse the role played by the rate and the type of stirring (magnetic and sonication). Under these conditions two catalytic processes have been proved to intervene: an inverse phase transfer catalysis (IPTC) or an interfacial catalysis (IC). This latter process appears to be very sensitive to stirring efficiency.
引用
收藏
页码：1689 / 1691
页数：3
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