Process for the preparation of bifunctional tertiary...

Details Process for the preparation of bifunctional tertiary... Process for the preparation of bifunctional tertiary...

C - Chemistry, Metallurgy

07

F

260/613.5

C07F 9/53 (2006.01)

Patent

CA 1235142

Abstract of the Disclosure: Tertiary aromatic phosphine sulfides of the formula Image wherin X = F, Cl or Br, are prepared by means of a Friedel-Crafts reaction of a) PCl3 with benzene and - after the addition of sulfur - also with fluorobenzene, chlorobenzene or bromo- benzene, or b) PSCl3 with fluorobenzene, chlorobenzene or bromobenzene and subsequently also with benzene; Friedel-Crafts catalysts are Al halides, especially AlCl3. The products are used as end products and inter- mediates in a variety of areas, such as, for example, the sectors of plant protection and polymers.

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