申请人:Givaudan Corporation
公开号:US04021471A1
公开(公告)日:1977-05-03
Novel substituted formamidines are useful as ultraviolet light absorbers, the formamidines being characterized by the formula: ##STR1## wherein: R.sub.1 represents an alkyl group containing one to five carbon atoms; B is selected from the group consisting of H, OH, Cl or alkoxy; R.sub.2 represents a phenyl group or an alkyl group containing one to nine carbon atoms; A is selected from the group consisting of H, carboalkoxy, alkoxy, alkyl, dimethylamino and halogen. D is selected from the group consisting of H, methoxy and chlorine.
新型取代甲酰胺类化合物可用作紫外线吸收剂,该甲酰胺类化合物的特征为:##STR1## 其中:R.sub.1代表含有一到五个碳原子的烷基基团;B选自H、OH、Cl或烷氧基;R.sub.2代表苯基或含有一到九个碳原子的烷基基团;A选自H、羧基烷氧基、烷氧基、烷基、二甲基氨基和卤素基。D选自H、甲氧基和氯原子。