Process for the preparation of phosphoric acid ester halides

C - Chemistry – Metallurgy – 07 – F

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260/386.1, 260/4

C07F 9/02 (2006.01) C07F 9/14 (2006.01)

Patent

CA 1072574

Abstract of the Disclosure A phosphoric acid esterhalide is prepared by simultaneously reacting a phosphoric acid ester of formula I Image (I) wherein R is alkoxy with 1 - 8 carbon atoms optionally substituted by halogen, and R' is C1 - C8 alkoxy radical, optionally substituted by halogen, or is chlorine, bromine fluorine or C1 - C6 alkyl or phenyl, each optionally sub- stituted by halogen. and X is fluorine, chlorine or bromine, with a halogenat- ing agent and an olefin of formula II Image (II) wherein R2 and R4 are the same or different and each is hydrogen, halogen or straight-chain or branched optionally substituted C1-C18 alkane, C1-C6 acyloxy or C2-C12 alkenyl, or phenyl optionally substituted by halogen and/or by C1-C4 alkyl and R4 may be, in addition, chlorocarbonyl, nitrile, carbalkoxy or optionally N-substituted carbamino containing in each case, up to 9 carbon atoms, alkylcarbonyl alkylsulphonyl, arylcarbonyl or arylsulphonyl containing, in each case, up to 7 carbon atoms or an aldehyde group, or the radicals R2 and R4 are joined together to form a 4-membered to 12-membered, carbocyclic or heterocyclic ring, and R3 and R5 are the same or different and each is hydrogen, halogen or C1-C4 alkyl.

246203

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