Cyanated benzoxanthene and benzothioxanthene compounds

摘要: The present invention relates to cyanated compounds of the formula (I) wherein at least one radicals R 2 , 3 4 and 5 is CN, remaining are selected from hydrogen, chlorine bromine; X O, S, SO or ; m 0, 1, 2, 4; 1 bromine, chlorine, cyano, -NR a b C -C 24 -alkyl, -haloalkyl, -alkoxy, -haloalkoxy, -cycloalkyl, heterocycloalkyl, heteroaryl, 6 -aryl, -aryloxy, -aryl-C 10 -alkylene, etc.; A diradical diradicals general formulae (A.1), (A.2), (A.3), (A.4) (A.1) (A.2) (A.3) (R 7 ) n 8 o 9 p as defined in claims description. further color converters comprising polymer matrix material compound mixtures thereof fluorescent dye, use lighting devices LED converter.