Cycloalkylidene bisphenol phosphites

Details Cycloalkylidene bisphenol phosphites Cycloalkylidene bisphenol phosphites

C - Chemistry, Metallurgy

07

F

C07F 9/547 (2006.01) C07F 9/6574 (2006.01) C08K 5/526 (2006.01) C08K 5/527 (2006.01)

Patent

CA 2087582

A-18941/A Novel cycloalkylidene bisphenol phosphites Abstract of the Disclosure There are disclosed novel compounds of formula I Image (I), wherein n is 0, 1 or 2, R and R1 are each independently of the other C1-C4alkyl or, when taken together, are a 2,3-dehydropentamethylene radical, R2 and R3 are each independently of the other hydrogen, C1-C4alkyl or C5-C6cycloalkyl, and R4, R5, R6 and R7, if n = 1, are each independently of one another hydrogen or C1-C4alkyl, or, if n = 0 and if n = 2, are hydrogen, as stabilisers for protecting organic materials against thermal, oxidative or light-induced degradation.

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