Process for the preparation of phosphorothioic dichlorides

Details Process for the preparation of phosphorothioic dichlorides Process for the preparation of phosphorothioic dichlorides

C - Chemistry, Metallurgy

07

F

260/460.1

C07F 9/206 (2006.01) C07F 9/20 (2006.01)

Patent

CA 1302428

T 3012 FF ABSTRACT PROCESS FOR THE PREPARATION OF PHOSPHOROTHIOIC DICHLORIDES The invention provides a process for the preparation of phosphorothioic dichlorides characterised by reacting a compound of the formula RCHO, wherein R is an alkyl or haloalkyl moiety, with PC13 and sulfur monochloride in the presence of a catalytic amount of chloride ion in the liquid phase and under anhydrous conditions to produce a compound of formula RCHC1OP(S)C12. PSO5O19

560760

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