Piperidine compounds

Details Piperidine compounds Piperidine compounds

C - Chemistry, Metallurgy

07

D

400/9453, 260/24

C07D 211/58 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07F 9/59 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 1283909

3-15772/+/CHM 22 Novel piperidine compounds Abstract of the disclosure Compounds of formula (I) Image (I) in which R1 is hydrogen, O , CN, NO, cyanomethyl, C1-C12-alkyl, C3-C12-alkenyl or C3-C12-alkynyl subject to the proviso that the carbon atom attached to the nitrogen atom is a primary carbon atom, C7-C12-aralkyl, C1-C12-acyl, 2,3-epoxypropyl, OH-monosubstituted C2-C6-alkyl or 2,3-dihydroxypropyl, R2 is hydrogen, C1-C18-alkyl, C5-C18-cycloalkyl, C6-C18-aryl or C7-C18-aralkyl, R3 is C6-C18-aryl or a group of the formula (II) Image (II) in which R1 is as defined above, n is an integer from 1 to 4 and R4 is an organic or inorganic radical of a valency equal to n are useful for stabilizing organic material against oxidative, thermal and/or light induced degradation.

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