Hals phosphoramides as stabilisers

Details Hals phosphoramides as stabilisers Hals phosphoramides as stabilisers

C - Chemistry, Metallurgy

07

F

C07F 9/6578 (2006.01) C07F 9/6571 (2006.01) C08K 5/00 (2006.01) C08K 5/5399 (2006.01)

Patent

CA 2165747

The invention relates to novel compounds of formula I Image (I) wherein X is a direct bond, sulfur or -CHR5-, R1 is hydrogen, C1-C25alkyl, unsubstituted or C1-C4alkyl-substituted C5-C8cycloalkyl; unsubstituted or C1-C4alkyl-substituted C5-C8cycloalkenyl; unsubstituted or C1-C4alkyl-substituted phenyl; C7-C9phenylalkyl or -CH2-S-R6; R2 is hydrogen, C1-C25alkyl, C2-C24alkenyl, unsubstituted or C1-C4alkyl-sub- stituted C5-C8cycloalkyl; unsubstituted or C1-C4alkyl-substituted C5-C8cycloalkenyl; unsubstituted or C1-C4alkyl-substituted phenyl; C7-C9-phenylalkyl or -CH2-S-R6; R3 is hydrogen or methyl; R4 is C1-C8alkyl, O?, OH, NO, -CH2CN, C1-C18alkoxy, C5-C12cyclo- alkoxy, C3-C6alkenyl, C3-C6alkynyl, C1-C8acyl, C7-C9phenylalkyl which is unsubstituted or substituted at the phenyl ring by C1-C4alkyl; R5 is hydrogen or C1-C8alkyl; and R6 is C1-C20alkyl, as stabilisers for protecting organic materials against oxidative, thermal or light-induced degradation.

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