Bisphenol ester derivatives

Details Bisphenol ester derivatives Bisphenol ester derivatives

C - Chemistry, Metallurgy

07

C

C07C 69/753 (2006.01) C07C 69/00 (2006.01) C07C 235/82 (2006.01) C07C 255/47 (2006.01) C07C 323/10 (2006.01) C07D 307/00 (2006.01) C07D 307/68 (2006.01) C07D 333/38 (2006.01) C07D 493/08 (2006.01) C07D 498/08 (2006.01) C08K 5/134 (2006.01)

Patent

CA 2168922

The novel compounds of the formula I Image in which A is a group of the formula IIa or IIb, Image (IIa), Image (IIb) Y is oxygen, methylene, ethylidene or a >C=C(CH3)2 group, Z is nitrogen, Image or Image (C1-C4alkyl), R1 and R2 are, for example C1-C5alkyl, R3 and R4 are, for example, hydrogen or methyl, and R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are, for example, hydrogen, are suitable for stabilizing organic material against oxidative, thermal or light-induced degradation.

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