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Title: Kinetic study of hydrolytic decomposition of organophosphates and thiophosphate by N-hydroxyamides in cationic micellar media
Authors: Ghosh, Kallol K
Sinha, Daliya
Satnami, Manmohan L
Shrivastava, A K
Dubey, D K
Mundhara, G L
Keywords: Kinetic study;hydrolytic decomposition;organophosphates;thiophosphate;N-hydroxyamides;cationic micellar media
Issue Date: Mar-2006
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 D
Abstract: The nucleophilic hydrolytic reactions of p-nitrophenyl diphenyl phosphate (PNPDPP), p-nitrophenyl diethyl phosphate (Paraoxon) and p-nitrophenyl diethyl phosphorothioate (Parathion) with N-hydroxyamides have been investigated at 27 °C. With cationic micelles, rate enhancement has been observed on the nucleophilic attack at P center. All the rate surfactant profiles show typical micelle assisted bimolecular reactions. The interfacial ion exchange, control of the interfacial nucleophile concentration and the reactivity at the micellar interface has been explained.
Page(s): 726-730
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.45B(03) [March 2006]

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