Phosphinites

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B - Operations, Transporting

01

J

B01J 31/18 (2006.01) C07C 253/10 (2006.01) C07C 253/30 (2006.01) C07F 9/46 (2006.01) C07F 9/50 (2006.01) C07C 255/04 (2006.01) C07C 255/07 (2006.01)

Patent

CA 2462720

The invention relates to phosphinites I of formulae (1) or (2) or (3) and mixtures thereof, in which Rl, R2, R4 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms, provided that at least one of the groups Rl, R2, R4 is different from H; R3 is H or methyl; X is F, Cl or CF3 and n is 0, 1 or 2.

L'invention concerne des phosphinites I de formules (1) ou (2) ou (3) ainsi que leurs mélanges, formules dans lesquelles Rl, R2, R4 représentent indépendamment les uns des autres hydrogène, un groupe alkyle ou alkylène présentant 1 à 8 atomes de carbone ou un groupe alcoxy présentant 1 à 8 atomes de carbone, à condition qu'au moins un des groupes Rl, R2, R4 est différent de H ; R3 représente H ou méthyle ; X représente F, Cl ou CF¿3? et n est égal à 0, 1 ou 2.

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