申请人:BASF SE
公开号:US20210033972A1
公开(公告)日:2021-02-04
Compounds of the Formula (I), (II) and (III) wherein Ar is for example phenylene, biphenylene or naphthylene, all of which are unsubstituted or substituted by C
1
-C
4
-alkyl, C
2
-C
4
-alkenyl, CN, OR
11
, SR
11
, CH2OR
11
, COOR
12
, CONR
12
R
13
or halogen; R
1
, R
2
, R
7
and R
8
independently of one another other are hydrogen or C
1
-C
6
-alkyl; R
3
and R
5
together and R
4
and R
6
together form a C
2
-C
6
-alkylene bridge which is unsubstituted or substituted by one or more C
1
-C
4
-alkyl; R
11
is hydrogen or C
1
-C
6
-alkyl; R
12
and R
13
independently of one another for example are hydrogen, phenyl, C
1
-C
18
-alkyl, C
1
-C
18
-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR
10
; A and A
1
are suitable linking groups; are suitable as photolatent bases.