Substituted aminoxy-propanoates

Details Substituted aminoxy-propanoates Substituted aminoxy-propanoates

C - Chemistry, Metallurgy

07

C

260/483, 400/709

C07C 239/20 (2006.01) C08K 5/17 (2006.01) C08K 5/32 (2006.01)

Patent

CA 1274844

Substituted Aminoxy-propanoates Abstract of the Disclosure Substituted aminoxy propanoate derivatives corresponding to the formula (I) Image (I) wherein n is 1 to 4; R' and R" are independently hydrogen, alkyl of 1 to 36 carbon atoms, allyl, cycloalkyl of 5 to 12 carbon atoms, aralkyl of 7 to 9 carbon atoms or said aralkyl substituted by alkyl of 1 to 36 carbon atoms, R2 and R3 are independently hydrogen, alkyl of 1 to 12 carbon atoms or aryl; A, when n=1, is hydrogen, an alkali metal, alkyl of 1 to 36 carbon atoms, alkoxyalkyl of 2 to 6 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, aralkyl of 7 to 9 carbon atoms, said aralkyl substituted by alkyl of 1 to 36 carbon atoms, aryloxyalkyl(C2-C6) or a heterocyclic radical with 5 to 7 ring members; A, when n=2, is an alkaline earth metal, alkylene of 2 to 12 carbon atoms, cycloalkylene of 6 to 10 carbon atoms, arylene of 6 to 10 carbon atoms, Image wherein m is 1 or 2 and R4 is hydrogen or methyl, or Image ; A, when n=3, is alkanetriyl of 3 to 12 carbon atoms, or said alkanetriyl of 3 to 12 carbon atoms interrupted by one or more oxygen atoms; and A, when n=4, is alkanetetrayl of 4 to 6 carbon atoms, are effective in stabilizing organic materials against oxidative, thermal and/or actinic degradation.

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