申请人:Ciba-Geigy Corporation
公开号:US04197236A1
公开(公告)日:1980-04-08
Compounds of the general formula I ##STR1## or their acid addition salts in which one of R.sub.1 and R.sub.3 is --OH and the other is hydrogen and R.sub.2 denotes C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or C.sub.7 -C.sub.9 -aralkyl and R.sub.4 and R.sub.5 are hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or C.sub.7 -C.sub.9 -aralkyl and R.sub.6 denotes hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, phenyl or benzyl and R.sub.7 is hydrogen or C.sub.1 -C.sub.8 -alkyl and R.sub.8 is hydrogen, oxyl, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.4 -alkinyl, C.sub.2 -C.sub.21 -alkoxyalkyl, C.sub.7 -C.sub.8 -aralkyl, 2,3-epoxypropyl, an aliphatic acyl group with 1-4 C atoms or one of the groups --CH.sub.2 COOR.sub.9, --CH.sub.2 --CH(R.sub.10)--OR.sub.11, --COOR.sub.12 or -- CONHR.sub.12, in which R.sub.9 is C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, phenyl, C.sub.7 -C.sub.8 -aralkyl or cyclohexyl and R.sub.10 is hydrogen, methyl or phenyl and R.sub.11 denotes hydrogen or an aliphatic or aromatic, araliphatic or alicyclic acyl group with 1-18 C atoms, in which the aromatic part can optionally be substituted by chlorine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.8 -alkoxy and/or by hydroxyl, or a group ##STR2## and R.sub.12 denotes C.sub.1 -C.sub.12 -alkyl, cyclohexyl, phenyl or benzyl and X is --O-- or --NR.sub.13 --, in which R.sub.13 denotes hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.7 -C.sub.9 -aralkyl and A is one of the groups --(C.sub.n H.sub.2n)--, which can optionally be interrupted by --S-- or ##STR3## in which n denotes 0 to 12 and Y is one of the groups ##STR4## in which R.sub.7, R.sub.8 and X have the meaning defined above and R.sub.14 denotes C.sub.1 -C.sub.12 -alkyl, phenyl or tolyl as stabilizers for organic material.
通式I的化合物或其酸盐加合物,其中R.sub.1和R.sub.3中的一个是--OH,另一个是氢,R.sub.2表示C.sub.1 -C.sub.12-烷基,C.sub.5 -C.sub.7-环烷基,C.sub.6 -C.sub.10-芳基或C.sub.7 -C.sub.9-芳基烷基,R.sub.4和R.sub.5是氢,C.sub.1 -C.sub.12-烷基,C.sub.5 -C.sub.7-环烷基,C.sub.6 -C.sub.10-芳基或C.sub.7 -C.sub.9-芳基烷基,R.sub.6表示氢,C.sub.1 -C.sub.12-烷基,C.sub.5 -C.sub.7-环烷基,苯基或苄基,R.sub.7是氢或C.sub.1 -C.sub.8-烷基,R.sub.8是氢,氧基,C.sub.1 -C.sub.12-烷基,C.sub.3 -C.sub.6-烯基,C.sub.3 -C.sub.4-炔基,C.sub.2 -C.sub.21-烷氧基烷基,C.sub.7 -C.sub.8-芳基烷基,2,3-环氧丙基,具有1-4个C原子的脂肪酰基团或--CH.sub.2 COOR.sub.9,--CH.sub.2--CH(R.sub.10)--OR.sub.11,--COOR.sub.12或--CONHR.sub.12中的一种基团,其中R.sub.9是C.sub.1 -C.sub.12-烷基,C.sub.3 -C.sub.6-烯基,苯基,C.sub.7 -C.sub.8-芳基烷基或环己基,R.sub.10是氢,甲基或苯基,R.sub.11表示氢或具有1-18个C原子的脂肪或芳香族、芳基烷基或脂环烷基酰基团,其中芳香部分可以选择性地被氯,C.sub.1 -C.sub.4-烷基或C.sub.1 -C.sub.8-烷氧基和/或羟基取代,或者是一个基团##STR2##,其中R.sub.12表示C.sub.1 -C.sub.12-烷基,环己基,苯基或苄基,X是--O--或--NR.sub.13--,其中R.sub.13表示氢,C.sub.1 -C.sub.12-烷基,C.sub.5 -C.sub.7-环烷基或C.sub.7 -C.sub.9-芳基烷基,A是--(C.sub.n H.sub.2n)--中的一种基团,可以选择性地被--S--或##STR3##中断,其中n表示0到12,Y是##STR4##中的一种基团,其中R.sub.7,R.sub.8和X具有上述定义的含义,R.sub.14表示C.sub.1 -C.sub.12-烷基,苯基或对甲苯作为有机材料的稳定剂。