Patent GB-1522222-A (GB)
Title: Photographic materials containing cyan dye-providing compounds
IPC: G03C8/10
Filed: 1976-02-26
Abstract: 1522222 Photographic colour diffusion transfer silver halide material EASTMAN KODAK CO 26 Feb 1976 [26 Feb 1975] 7657/76 Heading G2C [Also in Divisions C2 and C4]  A photo-sensitive element, optionally forming part of a colour diffusion transfer film unit, comprises a support bearing at least one photo-sensitive silver halide emulsion layer having associated therewith a cyan image dye-providing compound having one of the Formula I-III: wherein Car represents a carrier moiety which, as a function of oxidation under alkaline conditions, releases a diffusible dye possibly comprising a residue of Car, from said compound: X represents a bivalent linking group of the Formula R<SP>2</SP>-L n -R<SP>2</SP> p - where each R<SP>2</SP> can be the same or different and each represents an alkylene radical having 1 to 8 carbon atoms; a phenylene radical; a phenylene radical substituted with chloro, bromo, cyano, nitro, methoxy, butoxy, methyl, ethyl, carboxy, or sulpho; L represents a bivalent radical selected from oxy, carbonyl, carboxamido, carbamoyl, sulphonamido, sulphamoyl, sulphinyl, or sulphonyl; n is 0 or 1; p is 1 when n equals 1 and p is 1 or 0 when n equals 0, provided that when p is 1 the carbon content of the sum of both R<SP>2</SP> radicals does not exceed 14 carbon atoms; R represents H or an alkyl radical having 1 to 6 carbon atoms which may be substituted with cyano, hydroxy or methoxy; J represents a bivalent radical selected from sulphonyl (-SO 2 -) or carbonyl (-CO-); each of m and q is 0 or 1; Q represents a hydroxy radical or a radical having the Formula -NHCOR<SP>3</SP> or -NHSO 2 R<SP>3</SP> wherein R<SP>3</SP> is an alkyl radical having 1 to 6 carbon atoms, an alkyl radical substituted with hydroxy, cyano, sulphamyl, carboxy or sulpho; benzyl, phenyl, or a phenyl radical substituted with carboxy, cyano, chloro, methoxy, methyl or sulphamoyl; G represents a hydroxy radical, a salt thereof, or a hydrolyzable acyloxy group having the Formula: -O-CO-R<SP>4</SP> or -O-CO-OR<SP>4</SP> wherein R<SP>4</SP> is an alkyl radical having 1 to 18 carbon atoms, phenyl or a phenyl radical substituted with chloro or nitro or an alkyl radical having up to 12 carbon atoms; D represents a halogen atom, a cyano radical, a nitro radical, a trifluoromethyl radical, an alkyl radical having 1 to 6 carbon atoms, an alkoxy radical having I to 6 carbon atoms, a carboxy radical, a carboxylic acid ester having the Formula -COOR<SP>4</SP> wherein R<SP>4</SP> is as defined above, a fluorosulphonyl radical, a trifluoromethylsulphonyl radical, a -SO 3 - phenyl radical substituted with hydroxy, chloro, carboxy, sulphamoyl, methyl or methoxy; a sulpho radical, a sulphamoyl radical having the Formula: -SO 2 NR<SP>5</SP>R<SP>6</SP> wherein R<SP>5</SP> represents H or an alkyl group having 1 to 6 carbon atoms and R<SP>6</SP> represents H, an alkyl radical having 1 to 6 carbon atoms, an alkyl radical having 1 to 6 carbon atoms substituted with hydroxy, cyano, sulphamoyl, carboxy or sulpho; a benzyl radical, a phenyl radical, a phenyl radical substituted with hydroxy, sulphonyl, sulphamoyl, carboxy or sulpho; an alkylcarbonyl radical having 1 to 8 carbon atoms, or a phenyl-; tolyl- or phenylmethyl-carbonyl radical; with the proviso that the carbon content of the sum of R<SP>5</SP> and R<SP>6</SP> does not exceed 14 carbon atoms; also R<SP>5</SP> and R<SP>6</SP> may be combined with the nitrogen atom to which they are attached to form a morpholino or piperidino radical; a carbamoyl  radical having the Formula: -CON(R<SP>5</SP>) 2 , wherein each R<SP>5</SP> is the same or different and is as described above; an alkylsulphonyl radical having 1 to 8 carbon atoms, an alkylsulphonyl radical having 1 to 8 carbon atom substituted with hydroxy, chloro, phenyl, cyano, sulphamoyl, carboxy or sulpho; a phenylsulphonyl radical or a phenylsulphonyl radical substituted with hydroxy, sulphamoyl, fluorosulphonyl, carboxy or sulpho; E represents H, a halogen atom, a nitro radical, a cyano radical or a trifluoromethyl radical; and M represents a sulpho radical, cyano, fluorosulphonyl, halogen, -SO 3 -phenyl, a -SO 3 -phenyl substituted with hydroxy, chloro, carboxy, sulphamoyl, methyl, or methoxy; an alkylsulphinyl radical having 1 to 8 carbon atoms, an alkylsulphinyl radical having 1 to 4 carbon atoms substituted with cyano, hydroxy or carboxy; a phenylsulphinyl radical; a sulphamoyl radical having the Formula -SO 2 NR<SP>5</SP> R<SP>6</SP>, a carbamoyl radical having the Formula -CON(R<SP>5</SP>) 2  wherein R<SP>5</SP> and R<SP>6</SP> are as defined above; an alkylsulphonyl radical having 1 to 8 carbon atoms, an alkylsulphonyl radical having 1 to 6 carbon atoms, substituted with hydroxy, chloro, phenyl, cyano, sulphamoyl, carboxy or sulpho; or a phenylsulphonyl radical substituted with hydroxy, sulphamoyl, fluorosulphonyl, carboxy or sulpho; with the proviso that there be no more than one sulpho radical and no more than one carboxy radical present in said compound, said sulpho radical and carboxy radical including salts thereof. The silver halide emulsion(s) may be directpositive (Ex50) or negative (Ex51).