N-allyl/benzyl substituted phenylenediamine stabilizers

Details N-allyl/benzyl substituted phenylenediamine stabilizers N-allyl/benzyl substituted phenylenediamine stabilizers

C - Chemistry, Metallurgy

07

C

C07C 211/54 (2006.01) C07C 211/55 (2006.01) C07C 215/82 (2006.01) C07C 217/92 (2006.01) C07C 229/54 (2006.01) C07C 237/30 (2006.01) C07C 255/58 (2006.01) C07C 323/33 (2006.01) C10M 133/12 (2006.01)

Patent

CA 2080743

A-18818/A/CGC 1579 N-ALLYL/BENZYL SUBSTITUTED PHENYLENEDIAMINE STABILIZERS Abstract of the Disclosure Compositions are described which comprise (a) a lubricant, subject to oxidative or thermal degradation, and (b) at least one compound of formula I (I) Image wherein R1, R2, R3 and R4 are independently hydrogen, alkenyl of 3 to 18 carbon atoms, aralkyl of 7 to 15 carbon atoms, aryl of 6 to 10 carbon atoms or said aryl substituted by one to three substituents selected from the group consisting of alkyl of 1 to 20 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, aralkyl of 7 to 15 carbon atoms, -CN, -NO2, halogen, -OR5, -NR6R7, -SR8, -COOR9 and -CONR10R11 where R5, R6, R7, R8, R9, R10and R11 are independently hydrogen, alkyl of 1 to 20 carbon atoms, alkenyl of 3 to 18 carbon atoms, aryl of 6 to 10 carbon atoms, cycloalkyl of 5 to 12 carbon atoms or aralkyl of 7 to 15 carbon atoms. Some of the compounds of formula one are novel.

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