Kinetics of reduction of chloramines by sodium borohydride | Zendy

Duriche Cécile | Zendy; Darwich Chaza | Zendy; Elkhatib Mazen | Zendy; Tabcheh Mohamad | Zendy; Delalu Henri | Zendy

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Kinetics of reduction of chloramines by sodium borohydride

Author(s) -

Duriche Cécile,

Darwich Chaza,

Elkhatib Mazen,

Tabcheh Mohamad,

Delalu Henri

Publication year - 2002

Publication title -

journal of physical organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.325

H-Index - 66

eISSN - 1099-1395

pISSN - 0894-3230

DOI - 10.1002/poc.504

Subject(s) - chemistry , sodium borohydride , chloramine , kinetics , enthalpy , chloramine t , catalysis , octane , inorganic chemistry , chlorine , organic chemistry , thermodynamics , physics , quantum mechanics

The reduction of chloramine, methylchloramine, dimethylchloramine and N ‐chloro‐3‐azabicyclo[3.3.0]octane by sodium borohydride was studied according to pH, temperature and concentrations of haloamine and reducing agent. The interaction is bimolecular and exhibits a specific acid catalysis. The enthalpy and entropy of activation were determined at pH 12.89. A mathematical treatment of the reaction kinetics allows the complete characterization of the final state and determination of the percentage of reduced haloamine in terms of [NaBH 4 ]/[R 1 R 2 NCl] ratio, pH and temperature. A reaction mechanism is proposed. Copyright © 2002 John Wiley & Sons, Ltd.

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