PROCESS FOR THE SYNTHESIS OF AMINE ETHERS FROM SECONDARY AMINO OXIDES
申请人:BASF SE
公开号:EP1284966B1
公开(公告)日:2010-03-17
US6900328B2
申请人:——
公开号:US6900328B2
公开(公告)日:2005-05-31
US7402675B2
申请人:——
公开号:US7402675B2
公开(公告)日:2008-07-22
Process for the synthesis of amine ethers from secondary amino oxides
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.