申请人:——
公开号:US05000946A1
公开(公告)日:1991-03-19
The invention relates to sunscreen compositions comprising an effective component at least one compound of formula I ##STR1## wherein R.sup.1 is selected from alkyl, alkenyl, alkynyl substituted alkyl, substituted alkenyl, phenyl, substituted phenyl, substituted benzyl, cycloalkyl, cycloalkenyl, substituted cycloalkyl, substituted cycloalkenyl and polymeric groups; R.sup.2 is selected from hydrogen, alkyl and alkoxy; and wherein R.sup.1 and R.sup.2 may form a carbocyclic ring which may be substituted; R.sup.3 is selected from alkyl, sustituted alkyl, alkenyl, substituted alkenyl, alkynyl, phenyl, benzoyl, substituted phenyl, substituted benzyl, substituted benzoyl, cycloalkyl, substituted cycloalkyl, cycloalkenyl, substituted cycloalkenyl, alkanyoyl, substituted alkanoyl, polymeric groups, the group OROROR.sup.9 wherein R is a bivalent hydrocarbon radical and R.sup.9 is alkyl, alkenyl, phenyl benzyl, substituted phenyl, substituted benzyl; R.sup.4 is alkyl or alkoxy; n is an integer from 0 to 4; and R.sup.5 and R.sup.6 are independently selected from alkyl, alkoxy, alkanoyl, alkanoyl substituted by hydroxyl or alkoxycarbonyl and R.sup.5 and R.sup.6 may form a spiro carbocyclic ring which may be substituted with alkyl; and the invention also relates to novel compounds of formula I and to a method of screening a surface from ultraviolet radiation.
该发明涉及含有有效成分的防晒霜组合物,至少包含公式I中的一种化合物:
其中R.sup.1从烷基、烯烃基、炔基取代的烷基、取代的烯烃基、苯基、取代的苯基、取代的苄基、环烷基、环烯烃基、取代的环烷基、取代的环烯烃基和聚合物基团中选择;R.sup.2从氢、烷基和烷氧基中选择;其中R.sup.1和R.sup.2可以形成可能被取代的碳环;R.sup.3从烷基、取代烷基、烯烃基、取代烯烃基、炔基、苯基、苯甲酰基、取代的苯基、取代的苄基、取代的苯甲酰基、环烷基、取代的环烷基、环烯烃基、取代的环烯烃基、烷酰基、取代的烷酰基、聚合物基团、OROROR.sup.9中的基团,其中R为二价碳氢基团,R.sup.9为烷基、烯烃基、苯基、苄基、取代的苯基、取代的苄基;R.sup.4为烷基或烷氧基;n为0到4的整数;R.sup.5和R.sup.6分别从烷基、烷氧基、烷酰基、被羟基或烷氧羰基取代的烷酰基中选择,R.sup.5和R.sup.6可以形成可能被烷基取代的螺环碳环;该发明还涉及公式I的新化合物以及一种用于筛选表面免受紫外辐射的方法。