| abstract |
The compounds of the formulas I, II and III of the present invention are suitable as photolatent bases. (I) ≪ (III) Wherein Ar is substituted by, for example, C 1 -C 4 -alkyl, C 2 -C 4 -alkenyl, CN, OR 11 , SR 11 , CH 2 OR 11 , COOR 12 , CONR 12 R 13 , Unsubstituted phenylene, biphenylene or naphthylene; R 1 , R 2 , R 7 and R 8 independently of one another 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, optionally substituted with 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 each other for example hydrogen, phenyl, C 1 -C 18 - alkyl is interposed, at least 1 O C 1 -C 18 - alkyl; n is 1 to 10; X is O, S or NR < 10 >; A and A < 1 > are suitable linkages. |