申请人:Sumitomo Chemical Company, Limited
公开号:US05714612A1
公开(公告)日:1998-02-03
A hindered piperidine compound represented by the formula of ##STR1## wherein R.sup.1 is a 2,2,6,6-tetramethyl-4-piperidyl group of which the N-position is substituted or not, a hydrogen atom, a C.sub.1 -C.sub.18 arylalkyl group which may contain a cyclic portion, or a C.sub.7 -C.sub.18 arylalkyl group, R.sup.2 is a hydrogen atom, a C.sub.1 -C.sub.10 alkyl group which may contain a cyclic portion, a C.sub.1 -C.sub.18 alkyloxy group which may contain a cyclic portion, or a hydroxyl group, and n is an integer of 2 to 8, effectively stabilizes organic materials having a property to deteriorate by the action of light. A method for producing the compound represented by the above formula is also disclosed.
一种由以下式表示的受阻二氮杂环己烷化合物##STR1##其中R.sup.1是2,2,6,6-四甲基-4-哌啶基团,该基团的N-位置被取代或未取代,是氢原子,是可能含有环状部分的C.sub.1-C.sub.18芳基烷基团,或是C.sub.7-C.sub.18芳基烷基团,R.sup.2是氢原子,是可能含有环状部分的C.sub.1-C.sub.10烷基团,是可能含有环状部分的C.sub.1-C.sub.18烷氧基团,或是羟基,n是2到8的整数,能有效稳定有光照作用下会恶化的有机材料。还公开了一种制备上述式表示的化合物的方法。