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4255028 
Journal Article 
Oxidizing O,O,O-trimethyl phosphorothioate with hydrogen peroxide or ozone 
Chen, X; Li, G; Qian, C 
2012 
1 
Research on Chemical Intermediates
ISSN: 0922-6168
EISSN: 1568-5675 
38 
2 
645-649 
WOS:000299175500030 
Oxidization of O,O,O-trimethyl phosphorothioate to the corresponding oxo (P=O) compound is accomplished under mild conditions with hydrogen peroxide or ozone. Urea hydroperoxide was found to be a serviceable solid-state source of hydrogen peroxide; it was a better oxidizing agent than 30% hydrogen peroxide and resulted in better yield. It was also proved that ozone was the most effective oxidizer, with formation of purer products in higher yield (90.1%) than with hydrogen peroxide. 
O,O,O-Trimethyl phosphorothioate; Hydrogen peroxide; Urea hydroperoxide; Ozone