申请人:Ciba-Geigy Corporation
公开号:US04148784A1
公开(公告)日:1979-04-10
A compound of the formula I ##STR1## in which R.sub.2 is an optionally substituted 4-piperidinyl bonded via oxy or imino, or an optionally substituted 2-(piperidino)-ethoxy, n is 1 or 2, R.sub.7 and R.sub.8 are hydrocarbon radicals, R.sub.9 is hydrogen or methyl, R.sub.14 is cyano, --CH.sub.2 OH, a hydroxymethyl which is C-substituted by an optionally substituted 4-piperidinyl bonded via oxy or imino, or by an optionally substituted 2-(piperidino)-ethoxy, or R.sub.14 is also acyl or nitro, and, when n=1, R.sub.15 is hydrogen, a substituted hydroxybenzyl, an optionally substituted hydrocarbon radical, an optionally substituted 4-piperidinyl, or alkylene which is optionally linked to R.sub.14 and optionally substituted, or, when n=2, R.sub.15 is a direct bond or an optionally interrupted hydrocarbon radical, and its salts as stabilizers for organic material.
式I的化合物##STR1##,其中R.sub.2是通过氧或亚胺键结合的可选择取代的4-哌啶基或可选择取代的2-(哌啶基)乙氧基,n为1或2,R.sub.7和R.sub.8为烃基,R.sub.9为氢或甲基,R.sub.14为氰基,-CH.sub.2 OH,一种通过氧或亚胺键结合的可选择取代的4-哌啶基或可选择取代的2-(哌啶基)乙氧基的羟甲基,或R.sub.14也为酰基或硝基,当n=1时,R.sub.15为氢,取代的羟基苄基,可选择取代的烃基,可选择取代的4-哌啶基或可选择取代的烷基,其可选择与R.sub.14连接并可选择取代,或当n=2时,R.sub.15为直接键或可选择中断的烃基,以及其作为有机材料稳定剂的盐。