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Title: Pathways for the hydrolysis of phorate: Product studies by 31P NMR and GC-MS
Authors: Hong, F.
Pehkonen, S.O. 
Brooks, E.
Keywords: 31P NMR
Activation enthalpy
Activation entropy
Diethyl dithiophosphate
Intramolecular nucleophilic attack
Issue Date: Jul-2000
Citation: Hong, F., Pehkonen, S.O., Brooks, E. (2000-07). Pathways for the hydrolysis of phorate: Product studies by 31P NMR and GC-MS. Journal of Agricultural and Food Chemistry 48 (7) : 3013-3017. ScholarBank@NUS Repository.
Abstract: A new intramolecular mechanism is proposed for the hydrolysis of phorate. 31P NMR was used to study the formation of P-containing products of phorate hydrolysis in situ. When hydrolysis was followed by 31P NMR, a dominant P-containing product was found and was identified to be diethyl dithiophosphate using methylation and GC-MS. Combining the data from phorate hydrolysis at three different temperatures, thermodynamic parameters were calculated. The contributions of various possible pathways to phorate hydrolysis are discussed.
Source Title: Journal of Agricultural and Food Chemistry
ISSN: 00218561
DOI: 10.1021/jf990558u
Appears in Collections:Staff Publications

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