Metal deactivators

Details Metal deactivators Metal deactivators

C - Chemistry, Metallurgy

07

D

253/136, 260/313

C07D 249/08 (2006.01) C07D 403/06 (2006.01) C07D 521/00 (2006.01) C10M 133/44 (2006.01)

Patent

CA 1249280

New metal deactivators Abstract of the Disclosure New N-substituted compounds, useful as metal deactivators in functional fluids, have the formula I: Image in which R1 and R2 are the same or different and each is C1-C20 alkyl, C3-C20 alkenyl, C5-C12 cycloalkyl, C7-C13 aralkyl, C6-C10 aryl, or R1 and R2, together with the nitrogen atom to which they are each attached form a 5-, 6- or 7-membered heterocylic residue, or R1 and R2 is each a residue of formula II: R3X[(alkylene)O]n(alkylene)- II in which X is 0, S or N, R3 is hydrogen or C1-C20 alkyl, alkylene is a C1-C12 alkylene residue and n is 0 or an integer from 1 to 6, or R1 has its previous significance and R2 is a residue of formula III: Image III or R2 is a residue of formula III as defined above R1 is a residue of formula IV: -[alkylene]n-N(R4)-A-[N(R4)2]m IV wherein m is zero or 1 and, when m is zero, A is a residue of formula III and, when m is 1, A is alkylene or C6- or C10- arylene and alkylene and n have their previous significance and R4, is a residue of formula III, as hereinbefore defined.

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