Palladium(II) complexes of aliphatic amines and their oxidation by chloramine-T in perchloric acid medium

被引：9
|
作者：
Grover, N [1 ]
Kambo, N [1 ]
Upadhyay, SK [1 ]
机构：
[1] Harcourt Butler Technol Inst, Dept Chem, Kanpur 208002, Uttar Pradesh, India
来源：
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS | 2002年 / 34卷 / 10期
关键词：
D O I：
10.1002/kin.10087
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The formation of palladium(II) complexes with aliphatic amines and their oxidation by chloramine-T in perchloric acid medium has been studied. The spectrophotometric studies showed the formation of 1:1 and 1:2 complexes between palladium(II) and amine in absence Of HClO4. An increase in [HClO4] in reaction mixture suppresses the complex formation and in presence of [HClO4] similar to 10(-3) mol dm(-3) only a 1:1 complex between palladium(II) and amine has been observed, The effect of Cl- on the complex formation has also been studied. Palladium (II)-catalyzed oxidation of these amines by chloramme-T showed a first-order dependence of rate with respect to each-oxidant, substrate, catalyst, and H+. The mechanism consistent with kinetic data for the oxidation process has been proposed in absence as well as in presence of initial [Cl-]. (C) 2002 Wiley Periodicals, Inc.
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页码：603 / 612
页数：10
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