Cyanoaryl substituted benz(othi)oxanthene compounds

A cyanoaryl substituted compound of formula (I)

• wherein
• m is 0, 1, 2, 3 or 4;
• each R1 is independently from each other selected from the group consisting of bromine, chlorine, cyano, —NRaRb, C1-C24-alkyl, C1-C24-haloalkyl, C1-C24-alkoxy, C1-C24-haloalkoxy, C3-C24-cycloalkyl, heterocycloalkyl, heteroaryl, C6-C10-aryl, C6-C10-aryloxy and C6-C10-aryl-C1-C10-alkylene, where the rings of cycloalkyl, heterocycloalkyl, heteroaryl, aryl, aryloxy and aryl-alkylene in the six last-mentioned radicals are unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different radicals R1a, and where C1-C24-alkyl, C1-C24-haloalkyl, C1-C24-alkoxy and the alkylene moiety of C6-C10-aryl-C1-C10-alkylene may be interrupted by one or more groups selected from the group consisting of O, S and NRc;
• R2, R3, R4 and R5 are selected from the group consisting of hydrogen, chlorine, bromine and C6-C10-aryl, which comprises one, two or three cyano groups;
• with the proviso that at least one of the radicals R1, R2, R3, R4 and R5 is C6-C10-aryl, which comprises one, two or three cyano groups;
• X is O, S, SO or SO2;
• and
• A is a diradical selected from the group consisting of diradicals of formulae (A.1) and (A.2),
• wherein
• * in each case denotes a point of attachment to the remainder of the molecule;
• R6 is hydrogen, C1-C24-alkyl, C1-C24-haloalkyl, C3-C24-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C10-alkylene, where the rings of cycloalkyl, aryl and aryl-alkylene in the three last-mentioned radicals are unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different radicals R6a, and where C1-C24-alkyl, C1-C24-haloalkyl and the alkylene moiety of C6-C10-aryl-C1-C10-alkylene may be interrupted by one or more heteroatoms or heteroatomic groups selected from the group consisting of O, S and NRc;
• R1a and R6a are independently from each other selected from the group consisting of C1-C24-alkyl, C1-C24-fluoroalkyl, C1-C24-alkoxy, fluorine, chlorine, bromine and cyano;
• and
• Ra, Rb and Rc are independently from each other selected from the group consisting of hydrogen, C1-C20-alkyl, C3-C24-cycloalkyl, heterocycloalkyl, hetaryl and C6-C10-aryl.