USE OF AMINOPHENYLBENZOTRIAZOLE DERIVATIVES FOR PROTECTING HUMAN AND ANIMAL SKIN AND HAIR FROM THE HARMFUL EFFECTS OF UV RADIATION AND COSMETIC COMPOSITIONS THEREOF
申请人:Wagner Barbara
公开号:US20090246154A1
公开(公告)日:2009-10-01
Disclosed are-(2′-Hydroxy-4′-aminophenyl)benzotriazole derivatives of formula
wherein
R
1
and R
4
independently of each other are hydrogen; C
1
-C
28
alkyl; C
1
-C
28
alkoxy; C
2
-C
28
alkenyl; C
2
-C
28
alkinyl; C
3
-C
12
cycloalkyl; C
3
-C
12
cycloalkenyl; C
7
-C
28
aralkyl; C
1
-C
20
heteroalkyl; C
3
-C
12
cycloheteroalkyl; or C
5
-C
16
heteroaralkyl; and wherein C
1
-C
28
alkyl, C
1
-C
28
alkoxy, C
2
-C
28
alkenyl and C
2
-C
28
alkinyl are unsubstituted or may be substituted by at least one C
1
-C
5
alkyl, C
1
-C
5
alkoxy or hydroxy;
R
2
and R
3
independently of each other are hydrogen; C
1
-C
28
alkyl; C
2
-C
28
alkenyl; C
2
-C
22
alkinyl; C
3
-C
12
cycloalkyl; C
3
-C
12
cycloalkenyl; C
7
-C
28
aralkyl; C
1
-C
20
heteroalkyl; C
3
-C
12
cycloheteroalkyl; C
5
-C
16
heteroaralkyl; and wherein C
1
-C
28
alkyl, C
1
-C
28
alkoxy, C
2
-C
28
alkenyl and C
2
-C
28
alkinyl are unsubstituted or may be substituted by at least one C
1
-C
5
alkyl, C
1
-C
5
alkoxy or hydroxy; or CO—R
5
; or
R
2
and R
3
together with the linking nitrogen form a 5- to 7-membered, monocyclic, carbocyclic or heterocyclic ring;
R
5
is C
1
-C
28
alkyl; C
2
-C
28
alkenyl; C
2
-C
28
alkinyl; C
3
-C
12
cycloalkyl; C
3
-C
12
cycloalkenyl; C
7
-C
20
aralkyl; C
1
-C
20
heteroalkyl; C
3
-C
12
cycloheteroalkyl; C
1
-C
5
alkoxycarbonyl-C
1
-C
5
alkyl; or C
5
-C
16
heteroaralkyl;
for protecting human and animal hair and skin from harmful effects of UV radiation.