Organic compounds

Details Organic compounds Organic compounds

C - Chemistry, Metallurgy

07

D

C07D 211/58 (2006.01) C07D 409/12 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/45 (2006.01) C08L 101/00 (2006.01) C09D 7/12 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2061404

-29- Case 153-5502 IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS Abstract of the Disclosure A compound of formula I Image (I) in which each R independently is hydrogen; oxygen; -OH; C1-8alkyl; -O-C1-8alkyl; -O-CO-C1-8 alkyl; -O-CO-phenyl or -COR5; where R5 is -C(R3)=CH2, C1-6 alkyl, phenyl, -CO-phenyl, -NR7R8, -COC6H5, -CH2-C6H5, -CO-OC1-12 alkyl or -COOH; R7 is hydrogen, C1-12 alkyl, C5-6 cycloalkyl, phenyl, phenyl-C1-4 alkyl or C1-12 alkylphenyl and R8 is C1-12alkyl or hydrogen, each R1 independently, is -CH3 or -CH2(C1-4alkyl) or both groups R1 together form a group -(CH2)5-; each R2, independently, is -CH3 or -CH2(C1-4 alkyl) or both groups R2 together from a group -C(CH2)5-; each R3 independently, is hydrogen or C1-4 alkyl; and X is a group of formula .alpha., .beta.. .gamma.. .delta. -30- Case 153-5502 Image (.alpha.) Image (.beta.) Image (.gamma.) Image (.delta.) where either R10 is Image ; C1-22 alkyl; C2-22 alkenyl; Image ; Image ; -N(C1-4alkyl)2; -NH(C1-4alkyl) or halogen, and R6 is hydrogen, halogen, C1-8alkyl or C2-8alkenyl or R10 is C1-22alkoxy and R5 is hydrogen, C1-8alkyl or C1-8alkoxy, and X1 is Image where n is 1 or 2 and A is -S- or -O-. These compounds are useful as light stabilisers for polymeric material. 6300/DM/CU

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