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Highly Efficient Degradation of Thiophosphate Pesticides Catalyzed by Platinum and Palladium Aryl Oxime Metallacycles
Author(s) -
Kazankov Gregory M.,
Sergeeva Victoria S.,
Efremenko Elena N.,
Alexandrova Larissa,
Varfolomeev Sergey D.,
Ryabov Alexander D.
Publication year - 2000
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20000901)39:17<3117::aid-anie3117>3.0.co;2-h
Subject(s) - thiophosphate , catalysis , chemistry , palladium , coumaphos , aryl , oxime , hydrolysis , platinum , pesticide , organic chemistry , organophosphate , parathion , pesticide degradation , alkyl , agronomy , biology , acaricide
A 10 9 ‐fold increase in efficiency is observed when the hydrolysis of sulfur‐containing pesticides of the parathion and coumaphos type is carried out in the presence of cycloplatinated aryl oximes (see reaction scheme), even when the catalyst concentration is as low as 10 −4 M . These robust catalysts are thus comparable in activity to organophosphate hydrolases, which detoxify the organophosphoric species by the same reaction.