申请人:Ciba-Geigy Corporation
公开号:US03948854A1
公开(公告)日:1976-04-06
Compounds of the formula ##SPC1## In which R.sub.1 denotes hydrogen, alkyl with 1-8 carbon atoms, alkenyl with 3 or 4 carbon atoms, cycloalkyl with 5-8 carbon atoms, aralkyl with 7-9 carbon atoms, phenyl, chlorine, bromine, hydroxyl, alkoxy with 1-18 carbon atoms or acyloxy with 2-18 carbon atoms, R.sub.2 denotes hydrogen, alkyl with 1-5 carbon atoms, alkenyl with 3 or 4 carbon atoms, cyclohexyl, aralkyl with 7-9 carbon atoms, chlorine or bromine, n denotes 1 and A denotes alkyl with 1-21 carbon atoms, alkenyl with 3-6 carbon atoms, alkynyl with 3-6 carbon atoms, oxaalkyl with 2-21 carbon atoms, thiaalkyl with 2-21 carbon atoms, the hetero-atoms in the oxaalkyl or thiaalkyl radical being separated from one another and/or from the oxygen atom to which these radicals are bonded, by at least 2 carbon atoms, cyclohexyl or benzyl, or n denotes 2 and A denotes alkylene with 2-10 carbon atoms, alkenylene with 4 carbon atoms, alkynylene with 4 carbon atoms, oxaalkylene with 4-10 carbon atoms or thiaalkylene with 4-10 carbon atoms, the hetero-atoms in the oxaalkylene or thiaalkylene radical being separated from one another and/or from the oxygen atom to which these radicals are bonded, by at least 2 carbon atoms, can be used for stabilising organic material, especially in the presence of metals.
化合物的公式为##SPC1##其中R.sub.1表示氢,1-8个碳原子的烷基,3或4个碳原子的烯基,5-8个碳原子的环烷基,7-9个碳原子的芳基烷基,苯基,氯,溴,羟基,1-18个碳原子的烷氧基或2-18个碳原子的酰氧基;R.sub.2表示氢,1-5个碳原子的烷基,3或4个碳原子的烯基,环己基,7-9个碳原子的芳基烷基,氯或溴;n表示1,A表示1-21个碳原子的烷基,3-6个碳原子的烯基,3-6个碳原子的炔基,2-21个碳原子的氧代烷基,2-21个碳原子的硫代烷基,氧代烷基或硫代烷基中的杂原子相互分离和/或与这些基团结合的氧原子相互分离,至少相隔2个碳原子,环己基或苯基;n表示2,A表示2-10个碳原子的亚烷基,4个碳原子的烯基,4个碳原子的炔基,4-10个碳原子的氧代亚烷基或硫代亚烷基,氧代亚烷基或硫代亚烷基中的杂原子相互分离和/或与这些基团结合的氧原子相互分离,至少相隔2个碳原子,可用于稳定有机材料,特别是在金属存在的情况下。