| 摘要 |
<p>A compound of formula (I) wherein n is e.g. a number from 2 to 50; R5' and R5'' are e.g. a group of formula (II); G1, G2, G3 and G4 are e.g. C1-C4alkyl; R1 is e.g. hydrogen or C1-C4alkyl; R2 is e.g. methylene; R3' is e.g. hydrogen and R3'' is e.g. hydrogen or C1-C4alkyl; R4 is e.g. C2-C8alkylene; and X is e.g. -N(R7)(R8) with R7 and R8 being independently of one another hydrogen or C1-C8alkyl, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.</p> |
