申请人:ICI Australia Operations Proprietary Limited
公开号:US05352793A1
公开(公告)日:1994-10-04
The invention relates to sunscreen compounds 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; R.sup.2 is selected from hydrogen, alkyl and alkoxy; R.sup.3 is selected from alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, phenyl, benzoyl, substituted phenyl, substituted benzyl, substituted benzoyl, cycloalkyl, substituted cycloalkyl, cycloalkenyl, substituted cycloalkenyl, alkanyoyl, substituted alkanoyl, 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.
本发明涉及以下式子的防晒剂化合物:式中R.sup.1从烷基,烯基,炔基取代的烷基,取代的烯基,苯基,取代的苯基,取代的苄基,环烷基,环烯基,取代的环烷基,取代的环烯基中选择;R.sup.2从氢,烷基和烷氧基中选择;R.sup.3从烷基,取代的烷基,烯基,取代的烯基,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,环烯基,取代的环烯基,烷酰基,取代的烷酰基,OROROR.sup.9基团中选择,其中R是双价碳氢基团,R.sup.9是烷基,烯基,苯基,苄基,取代的苯基,取代的苄基;R.sup.4是烷基或烷氧基;n是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。