Title: Process for preparation of phosphorothioic dichlorides
Application Number: 88101390 Application Date: 1988.03.16
Publication Number: 1021201 Publication Date: 1988.10.05
Approval Pub. Date: 1993.05.05 Granted Pub. Date: 1993.05.05
International Classifi-cation: C07F9/20
Applicant(s) Name: Shell Internationale Research Maatschappij B.V. Address:
Inventor(s) Name: Muhamed Abdel Hamid Fahmy
Attorney & Agent: SUN LINGHUA
Abstract:
    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 PCl3 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 RCHClOP(S)Cl2.
Time: 5