申请人:Ciba-Geigy Corporation
公开号:US05686233A1
公开(公告)日:1997-11-11
Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.5, independently of one another, are C.sub.1 -C.sub.12 alkyl; R.sub.2, R.sub.3 and R.sub.4, independently of one another, are H; C.sub.1 -C.sub.12 alkyl; C.sub.2 -C.sub.6 alkenyl; C.sub.1 -C.sub.12 alkoxy; C.sub.2 -C.sub.18 alkenyloxy; halogen; trifluormethyl; C.sub.7 -C.sub.11 phenylalkyl; phenyl; phenyl which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or halogen; phenoxy; or phenoxy which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or halogen; the two radicals R.sub.7 are identical or different and are hydrogen or C.sub.1 -C.sub.18 alkyl; or are C.sub.1 -C.sub.18 alkyl which is substituted by OH, C.sub.1 -C.sub.18 alkoxy, C.sub.3 -C.sub.6 alkenyloxy, halogen, --COOH, --COOR.sub.8, --CONH.sub.2, --CONHR.sub.9, --CON(R.sub.9)(R.sub.10), --NH.sub.2, --NHR.sub.9, --N(R.sub.9)(R.sub.10), --NHCOR.sub.11, --CN, --OCOR.sub.11, phenoxy and/or phenoxy which is substituted by C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy or halogen; or the radicals R.sub.7 are C.sub.3 -C.sub.50 alkyl which is interrupted by --O-- and may be substituted by OH, phenoxy or C.sub.7 -C.sub.18 alkylphenoxy; or the radicals R.sub.7 are C.sub.3 -C.sub.6 alkenyl; glycidyl; C.sub.5 -C.sub.12 cycloalkyl; C.sub.5 -C.sub.12 cycloalkyl which is substituted by OH, C.sub.1 -C.sub.4 alkyl oder --OCOR.sub.11 ; C.sub.7 -C.sub.11 phenylalkyl which is unsubstituted or substituted by OH, Cl or CH.sub.3 ; C.sub.4 -C.sub.14 alkenyl which is substituted by OH or --OCOR.sub.11 ; --CO--R.sub.12 or --SO.sub.2 --R.sub.13 ; and R.sub.8 to R.sub.14 are as defined in claim 1, are highly suitable for stabilizing organic material, including photographic recording material.
式I的化合物##STR1##其中R.sub.1和R.sub.5独立地为C.sub.1-C.sub.12烷基; R.sub.2,R.sub.3和R.sub.4独立地为H; C.sub.1-C.sub.12烷基; C.sub.2-C.sub.6烯基; C.sub.1-C.sub.12烷氧基; C.sub.2-C.sub.18烯氧基; 卤素; 三
氟甲基; C.sub.7-C.sub.11苯基烷基; 苯基; 被C.sub.1-C.sub.18烷基,C.sub.1-C.sub.18烷氧基或卤素取代的苯基; 苯氧基; 或被C.sub.1-C.sub.18烷基,C.sub.1-C.sub.18烷氧基或卤素取代的苯氧基; 两个基团R.sub.7相同或不同,为氢或C.sub.1-C.sub.18烷基; 或为被OH,C.sub.1-C.sub.18烷氧基,C.sub.3-C.sub.6烯氧基,卤素,--COOH,--COOR.sub.8,--CONH.sub.2,--CONHR.sub.9,--CON(R.sub.9)(R.sub.10),--NH.sub.2,--NHR.sub.9,--N(R.sub.9)(R.sub.10),--NHCOR.sub.11,--CN,--OCOR.sub.11,苯氧基和/或被C.sub.1-C.sub.18烷基,C.sub.1-C.sub.18烷氧基或卤素取代的苯氧基取代的C.sub.1-C.sub.18烷基; 或基团R.sub.7为被--O--中断的C.sub.3-C.sub.50烷基,可以被OH,苯氧基或C.sub.7-C.sub.18烷基苯氧基取代; 或基团R.sub.7为C.sub.3-C.sub.6烯基; 环氧
丙烷基; C.sub.5-C.sub.12环烷基; 被OH,C.sub.1-C.sub.4烷基或--OCOR.sub.11取代的C.sub.5-C.sub.12环烷基; C.sub.7-C.sub.11苯基烷基,未取代或被OH,Cl或CH.sub.3取代; 被OH或--OCOR.sub.11取代的C.sub.4-C.sub.14烯基; --CO--R.sub.12或--SO.sub.2--R.sub.13; R.sub.8到R.sub.14如权利要求1所定义,非常适用于稳定有机材料,包括摄影记录材料。