Butyne-linked or hexadiyne-linked hindered amines as...

Details Butyne-linked or hexadiyne-linked hindered amines as... Butyne-linked or hexadiyne-linked hindered amines as...

C - Chemistry, Metallurgy

07

D

C07D 211/46 (2006.01) C07D 471/10 (2006.01) C07D 491/113 (2006.01) C07D 498/10 (2006.01) C07D 519/00 (2006.01) C08K 5/3435 (2006.01) C08K 5/3445 (2006.01) C09K 15/30 (2006.01)

Patent

CA 2150644

Compounds of formula I Image (I), wherein n is 1 or 2 and the other symbols have the meanings indicated in claim 1, are admirably suited for stabilising organic material against oxidative, thermal or actinic degradation. Compounds of forrnula (I) may conveniently be prepared by reacting sterically hindered secondary amines with corresponding butynol esters or hexadiynol esters of an aromatic sulfonic acid.

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