COLOR PHOTOGRAPHIC RECORDING MATERIAL
Metal complexes, particularly copper and nickel complexes, of azo dyes corresponding to formula suitable for use as magenta-colored image dyes for the production of colored images by the dye diffusion transfer process. The dyes are linked (in non-metallized form) to a carrier radical provided with a...
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Zusammenfassung: | Metal complexes, particularly copper and nickel complexes, of azo dyes corresponding to formula suitable for use as magenta-colored image dyes for the production of colored images by the dye diffusion transfer process. The dyes are linked (in non-metallized form) to a carrier radical provided with a ballast group as so-called color-providing compounds which are associated with a photosensitive silver halide emulsion layer. During development, the metallizable dyes are released imagewise and, after diffusion into an image-receiving layer, are converted into the corresponding metal complexes. II In formula II, R1, R2, R3 and R4 represent H, F, Cl, Br, -CN, -NO2, -CF3, -OCH3, -SCF3, alkyl, alkoxy, alkylthio, acylamino, alkyl sulphonyl, aryl sulphonyl, -CO-X or -SO2Y; or two adjacent radicals from the group of radicals R1 to R4 together represent a fused benzene ring; R5 represents H, alkyl, alkoxy, aryl, alkoxy carbonyl, carbamoyl or cyano, R6 and R7 represent H, halogen, alkyl, -CF3 or -SO2-Y, G represents -OH or a hydrolyzable precursor thereof, X represents -OH, alkoxy or an amino group; Y represents H, -OH, an amino group or a group of the formula -NH-SO2-R8 where R8 represents alkyl, aryl or an amino group; and m=0 or 1. |
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