Azo compounds and photographic materials

Details Azo compounds and photographic materials Azo compounds and photographic materials

C - Chemistry, Metallurgy

09

B

96/139, 260/174,

C09B 29/00 (2006.01) G03C 5/30 (2006.01) G03C 5/54 (1980.01)

Patent

CA 1038864

Abstract of the Disclosure Magenta image dye-providing compound having formulas as follows: I. Image II. Image III. Image 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; R represents hydrogen or alkyl; J represents a bivalent radical selected from sulfonyl or carbonyl; Q represents hydrogen, hydroxy or an acylamino 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, a carboxy, a carboxylic acid ester, nitro in the 2- or 3-position relative to the azo radical, fluorosulfonyl, sulfo, halogen, an alkylsulfonyl radical; a phenyl- sulfonyl radical, alkylcarbonyl, a sulfamoyl radical; n carbamoyl radical, and, in formulas I or II when r is 1, Z may represent a radical having the formula CAR-[X-(NR-J)q]m- wherein Car, X, J, R, q and m are as described previously; R1 represents hydrogen, an alkyl radical, an alkoxy radical or a halogen atom; E is in the 5-, 6- or 7- position relative to G and represents hydrogen, carboxy, a carboxylic acid ester, sulfo, a sulfamoyl radical, a carbamoyl radical, alkylsulfonyl radical or a phenylsulfonyl radical; Z1 represents hydrogen or Z; with the proviso that there be no more than one sulfo radical and no more than one carboxy radical present in said compound.

192229

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