申请人:BASF Aktiengesellschaft
公开号:US05434202A1
公开(公告)日:1995-07-18
N-(.beta.-carbonyl- and .beta.-cyanovinyl)-2,2,6,6-tetramethylpiperidine derivatives of the formula I ##STR1## where R.sup.1 is COOR.sup.3, COR.sup.4, CONR.sup.4 R.sup.5 or CN, R.sup.2 has the meanings of R.sup.1 or is C.sub.1 -C.sub.12 -alkyl or hydrogen, R.sup.3 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.5 -alkenyl or phenyl which can be mono- to trisubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, halogen, hydroxyl, phenoxy, phenyl, tolyl or xylyl, R.sup.4 and R.sup.5 are each hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl or phenyl which can be mono- to trisubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, halogen, hydroxyl, phenoxy, phenyl, tolyl or xylyl, n is 1-4, X and A for each individual n have been defined in the specification.
N-(.beta.-羰基和.beta.-氰基乙烯基)-2,2,6,6-四甲基哌啶衍生物的结构式I ##STR1##其中R.sup.1为COOR.sup.3、COR.sup.4、CONR.sup.4 R.sup.5或CN,R.sup.2具有R.sup.1的含义或是C.sub.1 -C.sub.12 -烷基或氢,R.sup.3为氢、C.sub.1 -C.sub.8 -烷基、C.sub.5 -C.sub.8 -环烷基、C.sub.3 -C.sub.5 -烯基或苯基,可由C.sub.1 -C.sub.4 -烷基、C.sub.1 -C.sub.4 -烷氧基、C.sub.1 -C.sub.4 -烷氧羰基、卤素、羟基、苯氧基、苯基、甲苯基或二甲苯基单取代至三取代,R.sup.4和R.sup.5分别为氢、C.sub.1 -C.sub.12 -烷基、C.sub.5 -C.sub.8 -环烷基或苯基,可由C.sub.1 -C.sub.4 -烷基、C.sub.1 -C.sub.4 -烷氧基、C.sub.1 -C.sub.4 -烷氧羰基、卤素、羟基、苯氧基、苯基、甲苯基或二甲苯基单取代至三取代,n为1-4,X和A对于每个n已在说明书中定义。