C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/48 (2006.01)
Patent
CA 2086617
HOE 90/F 201 Abstract of the Disclosure: Novel aryl esters of phosphonous halides and a process for the preparation thereof. Aryl esters of phosphonous halides of the formula I Image (I) in which R1 is a phenyl or benzyl radical which bears 1 to 3 substituents, methylbenzyl, .alpha...alpha.-dimethylbenzyl, naphthyl or a naphthyl radical bearing 1 to 5 substituents, where the substituents are identical or different and are a non-aromatic hydrocarbon radical, an alkoxy radical or alkylthio radical each having 1 to 8 carbon atoms, aryl or aryloxy each having 6 to 10 carbon atoms or halogen having an atomic number from 9 to 35, R2 is a non-aromatic hydrocarbon radical having 1 to 18 carbon atoms, aryl, arylmethyl, arylethyl or arylisopropyl, where each aryl contains 6 to 1 carbon atoms, R3 is hydrogen or one of the groups mentioned under R2, and X is chlorine or bromine. The invention further relates to a process for the preparation of aryl esters of phosphonous halides of the formula I.
Boehshar Manfred
Kleiner Hans-Jerg
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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