申请人:——
公开号:US20020115859A1
公开(公告)日:2002-08-22
Compounds of the formula (I)
1
wherein
p is zero or 1; q and r, independently of each other, are an integer from 1 to 6; and
s is a number ranging from 1 to 8;
X is —O— or, when p is 1, X is also a group
2
R
w
, R
x
, R
y
and R
z
are, independently of each other, C
1
-C
18
alkyl, C
5
-C
12
cycloalkyl or C
1
-C
5
hydroxyalkyl, especially methyl;
R
1
is hydrogen; C
1
-C
18
alkyl; oxyl; OH; CH
2
CN; C
1
-C
18
alkoxy; C
5
-C
12
cycloalkoxy; C
3
-C
8
alkenyl; C
3
-C
8
alkynyl; C
7
-C
12
phenylalkyl; C
7
-C
15
phenylalkyl, which is substituted on the phenyl ring by 1, 2 or 3 radicals selected from C
1
-C
4
alkyl and C
1
-C
4
alkoxy; C
7
-C
15
phenylalkoxy; C
7
-C
15
phenylalkoxy, which is substituted on the phenyl ring by 1, 2 or 3 radicals selected from C
1
-C
4
alkyl and C
1
-C
4
alkoxy; or R
1
is C
1
-C
8
alkanoyl; C
3
-C
5
alkenoyl; C
1
-C
18
alkanoyloxy; glycidyl; or a group —CH
2
CH(OH)—G, in which G is hydrogen, methyl or phenyl;
R
2
is hydrogen, C
1
-C
8
alkyl, C
5
-C
12
cycloalkyl or C
1
-C
4
hydroxyalkyl;
R
3
, R
4
, R
5
independently of each other are hydrogen, C
1
-C
8
alkyl or C
5
-C
12
cycloalkyl; and
W and other residues are as described in claim
1,
are effective stabilizers for organic materials, for example thermoplastic organic polymers, coating compositions or photographic materials.
公式(I)的化合物其中p为零或1;q和r分别是1到6的整数;s是一个范围从1到8的数字;X是—O—或者,当p为1时,X也是一个基团Rw、Rx、Ry和Rz分别是独立的C1-C18烷基,C5-C12环烷基或C1-C5羟基烷基,特别是甲基;R1是氢;C1-C18烷基;氧基;羟基;CH2CN;C1-C18烷氧基;C5-C12环烷氧基;C3-C8烯基;C3-C8炔基;C7-C12苯基烷基;C7-C15苯基烷基,其在苯环上被1、2或3个选择自C1-C4烷基和C1-C4烷氧基的基团取代;C7-C15苯基烷氧基;C7-C15苯基烷氧基,其在苯环上被1、2或3个选择自C1-C4烷基和C1-C4烷氧基的基团取代;或R1是C1-C8酰基;C3-C5烯酰基;C1-C18酰氧基;环氧乙烷;或基团—CH2CH(OH)—G,其中G是氢、甲基或苯基;R2是氢、C1-C8烷基、C5-C12环烷基或C1-C4羟基烷基;R3、R4、R5独立地是氢、C1-C8烷基或C5-C12环烷基;W和其他残基如权利要求1中所述,对有机材料,例如热塑性有机聚合物、涂料组合物或感光材料,具有有效的稳定作用。