申请人:Schlifkeposchalko Alexander
公开号:US20130142737A1
公开(公告)日:2013-06-06
The present invention relates to novel benzotriazoles and to novel topical compositions comprising these benzotriazoles. Furthermore, the invention relates to the use of the novel benzotriazoles as photostabilizer and solubiliser for dibenzoyl-methane derivatives such as Butyl Methoxydibenzoylmethane. In one aspect the invention relates to novel benzotriazoles of formula (Ia) wherein R
2
is hydrogen; C
1-30
alkyl; C
1-5
alkoxy; C
1-5
alkoxycarbonyl; C
5-7
cycloalkyl; C
6-10
aryl or aralkyl; R
3
is hydrogen; C
1-5
alkyl; C
1-5
alkoxy or halogen, preferably hydrogen or Cl; R
4
is hydrogen or C
1-5
alkyl; R
5
is C
1-30
alkyl or C
5-10
cycloalkyl.
本发明涉及新型苯并三唑和含有这些苯并三唑的新型局部制剂。此外,本发明涉及将新型苯并三唑用作光稳定剂和溶解剂,以用于二苯甲酰甲烷衍生物,例如丁基甲氧基二苯甲酰甲烷。在一个方面,本发明涉及式(Ia)的新型苯并三唑,其中R2为氢;C1-30烷基;C1-5烷氧基;C1-5烷氧羰基;C5-7环烷基;C6-10芳基或芳基烷基;R3为氢;C1-5烷基;C1-5烷氧基或卤素,优选氢或氯;R4为氢或C1-5烷基;R5为C1-30烷基或C5-10环烷基。