申请人:Ciba-Geigy Corporation
公开号:US05428162A1
公开(公告)日:1995-06-27
Novel compounds of the formula (1), ##STR1## in which R.sub.1 is hydrogen or acyl, R.sub.2 to R.sub.5 are independently hydrogen, chloro, alkyl phenylalkyl, aryl, cycloalkyl, alkoxy, alkylthio, hydroxy, amino or substituted amino, R.sub.6 is hydrogen, R.sub.7 to R.sub.10 are independently hydrogen, alkyl or alkoxy, R.sub.17 or R.sub.19 is hydrogen or alkyl, and R.sub.18 is hydrogen, alkyl, aralkyl or aryl, are described for use as stabilizers for organic materials against thermal, oxidative or light-induced degradation.
化合物的新颖化合物的公式(1),##STR1##其中R.sub.1是氢或酰基,R.sub.2到R.sub.5分别是氢,氯,烷基苯基烷基,芳基,环烷基,烷氧基,烷基硫基,羟基,氨基或取代氨基,R.sub.6是氢,R.sub.7到R.sub.10分别是氢,烷基或烷氧基,R.sub.17或R.sub.19是氢或烷基,R.sub.18是氢,烷基,芳基烷基或芳基,用作有机材料的稳定剂,抵抗热、氧化或光诱导降解。