申请人:——
公开号:US20030171461A1
公开(公告)日:2003-09-11
An amine ether of formula (A) wherein a is 1 or 2; and when a is 1, E is E′; when a is 2, E is L; E′ is C
1
-C
36
alkyl; C
3
-C
18
alkenyl; C
2
-C
18
alkinyl; C
5
-C
18
cycloalkyl; C
5
-C
18
cycloalkenyl; a radical of a saturated or unsaturated aliphatic bicyclic or bricyclic hydrocarbon of 7 to 12 carbon atoms; C
2
-C
7
alkyl or C
3
-C
7
alkenyl substituted by halogen; C
7
-C
15
aralkyl or C
7
-C
15
aralkyl substituted by C
1
-C
4
alkyl or phenyl; or E′ is a radical of formula (VII) as explained in claim 1; T′ is tertiary C
4
-C
18
alkyl or phenyl, each of which are unsubstituted or substituted by halogen, OH, COOR
21
or C(O)—R
22
; or T′ is C
5
-C
12
cycloalkyl; C
5
-C
12
cacloalkyl which is interrupted by at least one O or —NR
18
—; a polycyclic alkyl radical having 7-18 carbon atoms, or the same radical which is interrupted by at least one O or —NR
18
—; or T′ is —C(G
1
)(G
2
)—T″; or C
1
-C
18
alkyl or C
5
-C
12
cycloalkyl substituted by F(I)T″ is hydrogen, halogen, NO
2
, cyano, or is a monovalent organic radical comprising 1-50 carbon atoms; or T″ and T′ together form a divalent organic linking group completing, together with the hindered amine nitrogen atom and the quaternary carbon atom substituted by G
1
and G
2
, an optionally substituted five- or six-membered ring structure; and all other residues are as defined in claim 1, are obtained in good yield from the corresponding N-oxyl hindered amine precursor by reaction with a hydrocarbon E
1
—H or H—L—H in the presence of an organic hydroperoxide and a catalytic amount of copper or a copper compound. The products of present process find utility as polymerization regulators and/or light stabilizers for organic material.
公式(A)的胺醚式化合物,其中a为1或2;当a为1时,E为E′;当a为2时,E为L;E′为C1-C36烷基;C3-C18烯基;C2-C18炔基;C5-C18环烷基;C5-C18环烯基;具有7到12个碳原子的饱和或不饱和脂肪环二元或三元碳氢化合物的基团;被卤素取代的C2-C7烷基或C3-C7烯基;C7-C15芳基烷基或C7-C15芳基烷基被C1-C4烷基或苯基取代;或E′为公式(VII)中所述的基团;T′为三级C4-C18烷基或苯基,其未被取代或被卤素、OH、COOR21或C(O)—R22取代;或T′为C5-C12环烷基;C5-C12环烷基被至少一个O或—NR18—打断;具有7-18个碳原子的多环烷基基团,或相同的基团,其被至少一个O或—NR18—打断;或T′为—C(G1)(G2)—T″;或被F(I)取代的C1-C18烷基或C5-C12环烷基,其中T″为氢、卤素、NO2、氰基,或是由1-50个碳原子组成的一价有机基团;或T″和T′一起形成一个二价的有机连接基团,与受阻胺氮原子和被G1和G2取代的四价碳原子一起完成一个可选择取代的五元或六元环结构;所有其他残基如权利要求1所定义,通过在有机过氧化物和铜或铜化合物的存在下与烃E1—H或H—L—H反应,从相应的N-氧代受阻胺前体中获得良好的收率。本方法的产物可用作有机材料的聚合物调节剂和/或光稳定剂。