3-phenylbenzofuran-2-ones

Details 3-phenylbenzofuran-2-ones 3-phenylbenzofuran-2-ones

C - Chemistry, Metallurgy

07

D

400/7104, 260/36

C07D 307/83 (2006.01) C07D 407/10 (2006.01) C08J 7/06 (2006.01) C08K 5/15 (2006.01) C08K 5/1535 (2006.01)

Patent

CA 2024217

Novel compounds of the formula I (see formula I) in which R1 is C13-C30alkyl, R2 is hydrogen, C1-C10alkyl, C5-C12cycloalkyl, C5-C7cycloalkyl which is substituted by C1-C4alkyl, or is phenyl or C7- C12phenylalkyl, R3 is hydrogen or C1-C4alkyl and Z is phenyl, phenyl which is substituted by C1- C8alkyl, C1-C4alkoxy or chlorine, a group (see formula I) in which n is 1 or 2 or a group (see formula I) in which the radicals A independently of one another are C1-C8alkyl, methoxy or ethoxy, are suitable for stabilizing organic material against oxidative, thermal and actinic degradation.

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