Photoactivable nitrogen bases

G - Physics – 03 – F

Patent

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Details

G03F 7/004 (2006.01) C07C 1/00 (2006.01) C07D 487/00 (2006.01) C08F 2/50 (2006.01) G03F 7/038 (2006.01)

Patent

CA 2681201

Compounds of the Formula (I), (II) and (III) wherein Aris for example phenylene, biphenyleneor naphthylene, all of which areunsubsti- tuted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH 2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl;R3and R5 together and R4and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one ore more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another forexample are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10;X is O, S or NR 10; A and A1 are suitable linking groups;are suitable as photolatent bases.

L'invention porte sur des composés des Formules (I), (II) et (III), dans lesquelles Ar représente, par exemple, phénylène, biphénylène ou naphtylène, tous étant non substitués ou substitués par alkyle en C1-C4, alcényle en C2-C4, CN, OR11, SR11, CH2OR11, COOR12, CONR12R13 ou halogène ; R1, R2, R7 et R8,indépendamment l'un de l'autre, représentent hydrogène ou alkyle en C1-C6 ; R3 et R5 conjointement et R4 et R6 conjointement forment un pont alkylène en C2-C6 qui est non substitué ou substitué par un ou plusieurs groupes alkyle en C1-C4 ; R11 représente hydrogène ou alkyle en C1-C6 ; R12 et R13, indépendamment l'un de l'autre, représentent par exemple hydrogène, phényle, alkyle en C1-C18, alkyle en C1-C18 qui est interrompu par un ou plusieurs O ; n est 1-10 ; X est O, S ou NR10 ; A et A1 sont des groupes de liaison appropriés. Les composés précités sont appropriés comme bases photolatentes.

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