58596-05-7Relevant academic research and scientific papers
Magenta image-providing phenylazo-naphthyl dyes
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, (2008/06/13)
A magenta image dye-providing compound having a formula as follows: SPC1 Wherein: Car represents a carrier moiety which, as a function of oxidation under alkaline conditions, releases a diffusible dye from said compound; m and q each represent an integer having a value of 0 or 1; X represents a bivalent linking group; Z1 represents hydrogen or Z; R1 represents hydrogen, an alkyl radical an alkoxy radical having 1 to about 4 carbon atoms, or halogen; D represents cyano, sulfo, fluorosulfonyl, halogen, a --SO3 -- phenyl radical, or a phenylsulfonyl radical; R represents hydrogen or an alkyl radical; J represents a bivalent radical selected from sulfonyl or carbonyl; Q is in the 5- or 8-position relative to G and represents hydroxy or an arylamino radical; G represents hydroxy, a salt thereof, or a hydrolyzable acyloxy group; r represents an integer having a value of 1 or 2; Z represents cyano, trifluoromethyl, fluorosulfonyl, carboxy, a carboxylic acid ester, nitro in the 2- or 3-position relative to the azo linkage, fluoro, chloro or bromo, an alkylsulfonyl radical, a phenylsulfonyl radical, an alkylsulfonyl radical, a sulfamoyl radical, or a carbamoyl radical; With the proviso that there be no more than one sulfo radical and no more than one carboxy radical present in said compound.
