申请人:Ciba-Geigy Corporation
公开号:US05369159A1
公开(公告)日:1994-11-29
Compounds of the formula (1) ##STR1## in which R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another, are hydrogen, C.sub.1 -C.sub.25 alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 -alkly-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.1 -C.sub.18 alkoxy, hydroxyl, C.sub.1 -C.sub.25 alkanoyloxy, C.sub.3 -C.sub.25 alkenoyloxy, C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyloxy or C.sub.1 -C.sub.12 alkyl-substituted benzoyloxy, where R.sub.16 is hydrogen or C.sub.1 -C.sub.8 alkyl, or, furthermore, the radicals R.sub.2 and R.sub.3 or the radicals R.sub.4 and R.sub.5 together with the carbon atoms to which they are bound form a phenyl ring, R.sub.4 is additionally --(CH.sub.2).sub.n --COR.sub.11, in which n is 0, 1 or 2, R.sub.11 is hydroxyl, ##EQU1## C.sub.1 -C.sub.18 alkoxy or ##STR2## R.sub.14 and R.sub.15, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl, M is an r-valent metal cation and r is 1, 2 or 3, R.sub.7, R.sub.8, R.sub.9 and R.sub.10, independently of one another, are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, with the proviso that at least one of the radicals R.sub.7, R.sub.8, R.sub.9 and R.sub.10 is hydrogen and, in the case where R.sub.3, R.sub.5, R.sub.6, R.sub.7 and R.sub.10 are hydrogen, R.sub.4 is additionally a radical of the formula (2) ##STR3## in which R.sub.2, R.sub.8 and R.sub.9 are as defined above and R.sub.1 is as defined below for m=1, and R.sub.12 and R.sub.13, independently of one another, are hydrogen, C.sub.1 -C.sub.12 alkyl or phenyl, m is 1 or 2, and, in the case where m is 1, R.sub.1 is hydrogen, C.sub.1 -C.sub.25 alkanoyl, C.sub.3 -C.sub.25 alkenoyl, C.sub.3 -C.sub.25 alkanoyl which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyl, benzoyl or C.sub.1 -C.sub.12 alkyl-substituted benzoyl, R.sub.16 is as defined above and R.sub.6 is hydrogen or a radical of the formula (3) ##STR4## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are as defined above, and, in the case where m is 2, R.sub.1 is ##STR5## in which R.sub.17 is a direct bond, C.sub.1 -C.sub.18 alkylene, C.sub.2 -C.sub.18 alkylene which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.2 -C.sub.18 alkenylene, C.sub.2 -C.sub.20 alkylidene, C.sub.7 -C.sub.20 phenylalkylidene, C.sub.5 -C.sub.8 cycloalkylene, C.sub.7 -C.sub.8 bicycloalkylene or phenylene, R.sub.16 is as defined above and R.sub.6 is hydrogen, are described as stabilizers for organic materials against oxidative, thermal or light-induced degradation.
公式(1)的化合物##STR1##其中R.sub.2,R.sub.3,R.sub.4和R.sub.5独立地是氢,C.sub.1-C.sub.25烷基,C.sub.7-C.sub.9苯基烷基,未取代或C.sub.1-C.sub.4烷基取代的苯基,未取代或C.sub.1-C.sub.4-烷基取代的C.sub.5-C.sub.8环烷基; C.sub.1-C.sub.18烷氧基,羟基,C.sub.1-C.sub.25烷酰氧基,C.sub.3-C.sub.25烯酰氧基,C.sub.3-C.sub.25被氧、
硫或>N--R.sub.16中断的烷酰氧基; C.sub.6-C.sub.9环烷基羰氧基,苯甲酰氧基或C.sub.1-C.sub.12烷基取代的苯甲酰氧基,其中R.sub.16是氢或C.sub.1-C.sub.8烷基,此外,基团R.sub.2和R.sub.3或基团R.sub.4和R.sub.5与它们结合的碳原子一起形成苯环,R.sub.4另外是--(CH.sub.2).sub.n--COR.sub.11,其中n为0, 1或2,R.sub.11为羟基,##EQU1## C.sub.1-C.sub.18烷氧基或##STR2## R.sub.14和R.sub.15独立地是氢或C.sub.1-C.sub.18烷基,M是r价
金属阳离子,r为1,2或3,R.sub.7,R.sub.8,R.sub.9和R.sub.10独立地是氢,C.sub.1-C.sub.4烷基或C.sub.1-C.sub.4烷氧基,但至少有一个基团R.sub.7,R.sub.8,R.sub.9和R.sub.10是氢,在R.sub.3,R.sub.5,R.sub.6,R.sub.7和R.sub.10为氢的情况下,R.sub.4另外是公式(2)的基团##STR3##其中R.sub.2,R.sub.8和R.sub.9如上定义,R.sub.1如下定义,当m=1时,R.sub.12和R.sub.13独立地是氢,C.sub.1-C.sub.12烷基或苯基,m为1或2,当m为1时,R.sub.1为氢,C.sub.1-C.sub.25烷酰基,C.sub.3-C.sub.25烯酰基,C.sub.3-C.sub.25被氧、
硫或>N--R.sub.16中断的烷酰基; C.sub.6-C.sub.9环烷基羰基,苯基或C.sub.1-C.sub.12烷基取代的苯基,R.sub.16如上定义,R.sub.6为氢或公式(3)的基团##STR4##其中R.sub.1,R.sub.2,R.sub.3,R.sub.4,R.sub.5,R.sub.7,R.sub.8,R.sub.9和R.sub.10如上定义,在m为2的情况下,R.sub.1为##STR5##其中R.sub.17是直接键,C.sub.1-C.sub.18亚基,被氧、
硫或>N--R.sub.16中断的C.sub.2-C.sub.18亚基; C.sub.2-C.sub.18烯亚基,C.sub.2-C.sub.20烷基亚基,C.sub.7-C.sub.20苯基烷基亚基,C.sub.5-C.sub.8环烷基亚基,C.sub.7-C.sub.8二环烷基或苯基,R.sub.16如上定义,R.sub.6为氢,被描述为有机材料的稳定剂,抵抗氧化、热或光诱导的降解。