Oxichromic compounds, stabilized oxichromic compounds and processes for preparing same

Claim 2

A compound having the formula: ##EQU10## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups, amino groups or alkylamino groups to provide a silver halide developer; (COUP) is a photographic color coupler connected to said nitrogen atom in said formula at the coupling position to provide a reduced azomethine linkage which can undergo chromogenic oxidation to form an azomethine linkage; Ar is an aromatic group containing a carbocyclic arylene nucleus and comprises from 6 to 20 carbon atoms; R 2 is a hydrogen atom or a carbonyl-containing group of the formula: ##EQU11## wherein R 4 is (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or substituted aryl group containing from 6 to 12 carbon atoms; and X is an hydroxy group, an amino group or an alkylamino group, with the provision that, when R 2 is a carbonyl-containing group, X can be the group: ##EQU12##

Claim 3

A compound according to claim 1 wherein R 2 is a hydrogen atom.

Claim 4

A compound according to claim 1 wherein X is an hydroxy group.

Claim 5

A compound according to claim 1 wherein Ar is a phenylene group.

Claim 6

A compound according to claim 1 wherein D is a hydroquinone group.

Claim 7

A compound according to claim 1 wherein R 2 is said carbonyl-containing group and R 4 is a halogenated alkyl group.

Claim 8

A compound according to claim 1 wherein R 2 is a trifluoroacetyl group.

Claim 9

A compound according to claim 1 wherein Ar is a halogen-substituted phenylene group and X is an hydroxy group which is para to said nitrogen atom.

Claim 10

A compound according to claim 1 wherein (COUP) is an open-chain ketomethylene color coupler, a phenolic color coupler to a pyrazolone color coupler.

Claim 11

A compound according to claim 1 having the formula: ##SPC24##

Claim 12

A compound according to claim 1 having the formula: ##SPC25##

Claim 13

A compound according to claim 1 having the formula: ##SPC26##

Claim 14

A compound according to claim 6 having the formula: ##SPC27##

Claim 15

A compound according to claim 6 having the formula: ##SPC28##

Claim 16

A compound according to claim 6 having the formula: ##SPC29##

Claim 17

A compound according to claim 6 having the formula: ##SPC30##

Claim 18

A compound according to claim 1 having the formula: ##SPC31##

Claim 19

A compound having the formula: ##EQU13## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups to provide a silver halide developer; (COUP) is a photographic color coupler connected to said nitrogen atom in said formula at the coupling position; R 2 is a carbonyl-containing group of the formula: ##EQU14## wherein R 4 can be (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or a substituted aryl group containing from 6-12 carbon atoms; Ar is an aromatic group containing a benzenoid nucleus; and X is an hydroxy group or the group: ##EQU15##

Claim 20

A compound having the formula: ##EQU13## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups to provide a silver halide developer; (COUP) is a photographic color coupler connected to said nitrogen atom in said formula at the coupling position; R 2 is a carbonyl-containing group of the formula: ##EQU14## wherein R 4 can be (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or a substituted aryl group containing from 6-12 carbon atoms; Ar is an aromatic group containing a benzenoid nucleus; and X is an hydroxy group or the group: ##EQU15##

Claim 21

A compound according to claim 18 wherein R 4 is a polyhalogenated alkyl group.

Claim 22

A compound according to claim 18 wherein R 2 is a trifluoroacetyl group.

Claim 23

A compound according to claim 18 wherein Ar is a halogen-substituted phenylene group.

Claim 24

A compound according to claim 18 wherein (COUP) is an open-chain ketomethylene color coupler.

Claim 25

A compound according to claim 18 wherein (COUP) is a pyrazolone color coupler.

Claim 26

A compound having the formula: ##EQU16## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups, amino groups or alkylamino groups to provide a silver halide developer; (COUP) is a photographic phenolic color coupler connected to said nitrogen atom in said formula at the coupling position to provide a reduced azomethine linkage which can undergo chromogenic oxidation to form an azomethine linkage; Ar is an aromatic group containing a carbocyclic arylene nucleus and comprises from 6 to 20 carbon atoms; R 2 is a hydrogen atom or a carbonyl-containing group of the formula: ##EQU17## wherein R 4 is (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or substituted aryl group containing from 6 to 12 carbon atoms; and X is an hydroxy group, an amino group or an alkylamino group, with the provision that, when R 2 is a carbonyl-containing group, X can be the group: ##EQU18##

Claim 27

A compound having the formula: ##EQU16## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups, amino groups or alkylamino groups to provide a silver halide developer; (COUP) is a photographic phenolic color coupler connected to said nitrogen atom in said formula at the coupling position to provide a reduced azomethine linkage which can undergo chromogenic oxidation to form an azomethine linkage; Ar is an aromatic group containing a carbocyclic arylene nucleus and comprises from 6 to 20 carbon atoms; R 2 is a hydrogen atom or a carbonyl-containing group of the formula: ##EQU17## wherein R 4 is (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or substituted aryl group containing from 6 to 12 carbon atoms; and X is an hydroxy group, an amino group or an alkylamino group, with the provision that, when R 2 is a carbonyl-containing group, X can be the group: ##EQU18##

Claim 28

A compound according to claim 24 wherein R 2 is a hydrogen atom.

Claim 29

A compound according to claim 24 wherein R 2 is said carbonyl-containing group.

Claim 30

A compound according to claim 24 wherein X is an hydroxy group.

Claim 31

A compound according to claim 24 wherein Ar is a phenylene group.

Claim 32

A compound according to claim 24 wherein D is a hydroquinone group.

Claim 33

A compound according to claim 24 wherein R 2 is said carbonyl-containing group and R 4 is a halogenated alkyl group.

Claim 34

A compound according to claim 24 wherein R 2 is a trifluoroacetyl group.

Claim 35

A compound according to claim 24 wherein Ar is a halogen-substituted phenylene group and X is an hydroxy group which is para to said nitrogen atom.

Claim 36

A compound having the formula: ##EQU19## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups to provide a silver halide developer; (COUP) is a photographic phenolic color coupler connected to said nitrogen atom in said formula at the coupling position; R 2 is a carbonyl-containing group of the formula: ##EQU20## wherein R 4 can be (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or a substituted aryl group containing from 6-12 carbon atoms; Ar is an aromatic group containing a benzenoid nucleus; and X is an hydroxy group or the group: ##EQU21##

Claim 37

A compound having the formula: ##EQU19## wherein D-- is an aromatic carbocyclic group polysubstituted with hydroxy groups to provide a silver halide developer; (COUP) is a photographic phenolic color coupler connected to said nitrogen atom in said formula at the coupling position; R 2 is a carbonyl-containing group of the formula: ##EQU20## wherein R 4 can be (a) an alkyl group or substituted alkyl group containing from 1 to 12 carbon atoms or (b) an aryl group or a substituted aryl group containing from 6-12 carbon atoms; Ar is an aromatic group containing a benzenoid nucleus; and X is an hydroxy group or the group: ##EQU21##

Claim 38

A compound according to claim 33 wherein R 4 is a polyhalogenated alkyl group.

Claim 39

A compound according to claim 33 wherein R 2 is a trifluoroacetyl group.

Claim 40

A compound according to claim 33 wherein Ar is a halogen-substituted phenylene group.