Phosphonites, use thereof as ligand in transition metal...

Details Phosphonites, use thereof as ligand in transition metal... Phosphonites, use thereof as ligand in transition metal...

C - Chemistry, Metallurgy

07

F

C07F 9/48 (2006.01) B01J 31/18 (2006.01) C07C 253/10 (2006.01) C07C 255/04 (2006.01) C07C 255/07 (2006.01)

Patent

CA 2464710

The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-propyl or t-butyl; X is F, Cl or CF3 and n is 1 or 2.

L'invention concerne des phosphinites I de formules (1) ou (2), dans lesquelles Rl, R2, R5, R6, R7, R8, R9 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 ; R3 représente H ou méthyle ; R4 représente i-propyle ou t-butyle ; X représente F, C1 ou CF¿3? et n est égal à 1 ou 2.

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