Novel nh2-modified 6-aminouracils as stabilizers for...

Details Novel nh2-modified 6-aminouracils as stabilizers for... Novel nh2-modified 6-aminouracils as stabilizers for...

C - Chemistry, Metallurgy

07

D

C07D 239/545 (2006.01) C07D 239/56 (2006.01) C08K 5/3462 (2006.01) C08K 5/405 (2006.01)

Patent

CA 2269747

A description is given of compounds of the general formula I Image Y is oxygen or sulfur, and R1 and R2 independently of one another are C1-C18-alkyl, C3-C6-alkenyl, unsubstituted or C1-C4-alkoxy-, C5-C8-cycloalkyl-, -OH- and/or CI-substituted C1-C18-alkyl, C5-C8-cycloalkyl, phenyl or C7-C9-phenylalkyl which is unsubstituted or substituted on the phenyl ring by C1-C4-alkyl, C1-C4-alkoxy, C5-C8-cycloalkyl, -OH and/or CI, and R3 is unsubstituted C9-C18-alkyl or is C1-C18-alkyl substituted by -OH, C1-C12-alkoxy, phenoxy, C6-C8-alkylphenoxy, C7-C9-alkoxyphenyl, -C=O(OR4) and/or -O-COR4, or is C3-C6-alkenyl, C5-C8-cycloalkyl, or mono- to tri-OH-, -C1-C4-alkyl-, -C1-C4-alkoxy-, -C=O(OR4)- and/or -O-COR4-substituted phenyl or naphthyl, and where R4 is C1-C12-alkyl, which are suitable for stabilizing chlorine-containing polymers, especially PVC.

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