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Regioselective electrochemical reduction of 2,4-dichlorobiphenyl - Distinct standard reduction potentials for carbon-chlorine bonds using convolution potential sweep voltammetry
Published in
2010
Volume: 490
   
Issue: 4-6
Pages: 148 - 153
Abstract
The reductive cleavage of carbon-chlorine bonds in 2,4-dichlorobiphenyl (PCB-7) is investigated using the convolution potential sweep voltammetry and quantum chemical calculations. The potential dependence of the logarithmic rate constant is non-linear which indicates the validity of Marcus-Hush theory of quadratic activation-driving force relationship. The ortho-chlorine of the 2,4-dichlorobiphenyl gets reduced first as inferred from the quantum chemical calculations and bulk electrolysis. The standard reduction potentials pertaining to the ortho-chlorine of 2,4-dichlorobiphenyl and that corresponding to para chlorine of the 4-chlorobiphenyl have been estimated. © 2010 Elsevier B.V. All rights reserved.
About the journal
JournalChemical Physics Letters
ISSN00092614
Open AccessNo
Concepts (20)
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    Bulk electrolysis
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    CHLOROBIPHENYL
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    Driving forces
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    Electrochemical reductions
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    LOGARITHMIC RATES
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    MARCUS-HUSH
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    Non-linear
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    POTENTIAL DEPENDENCE
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    POTENTIAL SWEEP VOLTAMMETRY
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    Quantum chemical calculations
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    Reductive cleavage
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    Regio-selective
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    Standard reduction potentials
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    Convolution
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    Electrolytic reduction
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    POLYCHLORINATED BIPHENYLS
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    Quantum chemistry
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    Rate constants
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    Voltammetry
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    Chlorine