Benzonorbornene derivatives, processes for their preparation and
申请人:L'Oreal
公开号:US04783549A1
公开(公告)日:1988-11-08
A compound of formula (I) ##STR1## its isomers and its salts in which --R.sub.1, R.sub.3 and R.sub.4 are each indepenently hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, halogen, C.sub.1 -C.sub.8 -acyloxy or hydroxyl; --R' is hydrogen or C.sub.1 -C.sub.6 -alkyl; --R" is either a polyene chain or a benzene ring are useful in cosmetics and in the treatment of various dermatological and other complaints.