申请人:——
公开号:US20020165298A1
公开(公告)日:2002-11-07
The present invention provides compounds having the formula:
1
in which R is hydrogen, hydroxy, halogen, C
1
-C
20
alkyl, C
4
-C
12
cycloalkyl, C
2
-C
20
alkenyl, C
2
-C
20
alkynyl, C
1
-C
20
-alkoxy, C
4
-C
12
cycloalkoxy, C
2
-C
20
alkenoxy, C
2
-C
20
alkynoxy or C
7
-C
13
aralkyl; R
1
and R
2
, independently, are hydrogen, C
1
-C
20
alkyl, C
4
-C
12
cycloalkyl, C
7
-C
13
aralkyl, —C(═O)-R
4
(in which R
4
is C
1
-C
20
alkyl, C
2
-C
20
alkyl interrupted by
1
to
6
oxygen atoms, hetero-substituted C
1
-C
20
alkyl, C
4
-C
12
cycloalkyl, C
2
20
alkenyl, C
2
C
20
alkynyl, C
1
-C
20
-alkoxy, C
4
-C
12
cycloalkoxy, C
2
-C
20
alkenoxy, C
2
alkynoxy, C
6
-C
12
aryl, C
6
-C
12
aryloxy or C
7
C
13
aralkyl), or —C(═O)-NH-R
1
in which R
1
has its previous significance; and R
3
is hydrogen, halogen, hydroxy, C
1
-C
20
alkyl, C
4
-C
12
cycloalkyl, C
2
-C
20
alkenyl, C
2
-C
20
alkynyl, C
1
-C
20
-alkoxy, C
4
-C
12
-cycloalkoxy, C
2
C
20
alkenoxy, C
2
-C
20
alkynoxy, phenyl, C
7
-C
13
aralkyl or —N(R
1
)(R
2
) in which R
1
and R
2
have their previous significance, or R
1
and R
2
together form a C
4
-C
12
membered ring.
The new triphenyltriazine compounds have improved absorption spectrum characteristics and superior resistance to exposure to UV light, relative to known triphenyltriazine compounds.
本发明提供了具有以下公式的化合物:1其中R是氢,羟基,卤素,C1-C20烷基,C4-C12环烷基,C2-C20烯基,C2-C20炔基,C1-C20烷氧基,C4-C12环烷氧基,C2-C20烯氧基,C2-C20炔氧基或C7-C13芳基烷基; R1和R2独立地是氢,C1-C20烷基,C4-C12环烷基,C7-C13芳基烷基,-C(═O)-R4(其中R4是C1-C20烷基,C2-C20烷基通过1到6个氧原子中断,杂原子取代的C1-C20烷基,C4-C12环烷基,C220烯基,C2C20炔基,C1-C20烷氧基,C4-C12环烷氧基,C2-C20烯氧基,C2炔氧基,C6-C12芳基,C6-C12芳基氧基或C7C13芳基烷基),或-C(═O)-NH-R1,其中R1具有其前述的含义; R3是氢,卤素,羟基,C1-C20烷基,C4-C12环烷基,C2-C20烯基,C2-C20炔基,C1-C20烷氧基,C4-C12环烷氧基,C2C20烯氧基,C2-C20炔氧基,苯基,C7-C13芳基烷基或-N(R1)(R2),其中R1和R2具有其前述的含义,或R1和R2共同形成一个C4-C12环。与已知的三苯基三嗪化合物相比,新的三苯基三嗪化合物具有改进的吸收光谱特性和更优异的抗紫外光暴露性能。