Claims
- 1. A method for preparing an image from a heat-developable color photographic material comprising:
- 1) placing a light-sensitive silver halide, a binder, at least one of a substantially immobile electron-donating agent and a precursor thereof, a reducible dye-forming compound which releases a diffusible dye by reduction, and simultaneously on a support, both a mobile electron-transferring agent and an electron-transferring agent precursor;
- 2) imagewise exposing the heat-developable color photographic material; and
- 3) heat-developing said photographic material.
- 2. The method of claim 1, wherein said electron-transferring agent is a compound represented by formula (X-I) or (X-II): ##STR208## wherein R represents an aryl group; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9 and R.sup.10, which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxyl group, an acylamino group, an alkoxy group, an alkylthio group, an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group.
- 3. The method of claim 1, wherein the concentration of said electron-transferring agent by mole is from 0.001 to 4 times the concentration of said light-sensitive silver halide.
- 4. The method of claim 1, wherein the concentration of said electron-transferring agent by mole is from 0.003 to 0.5 times the concentration of said light-sensitive silver halide.
- 5. The method of claim 1, wherein said electron-transferring agent precursor is a compound represented by formula (W-I), (W-II) or (W-III): ##STR209## wherein R represents an aryl group; R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9 and R.sup.10, which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxyl group, an acylamino group, an alkoxy group, an alkylthio group, an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group; and Y represents a substituted alkyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a substituted carbamoyl group, a sulfamoyl group, a substituted sulfamoyl group, a group having a formula as follows: ##STR210## wherein Z represents a divalent linking group, bonded to the phthalide nucleus via an oxygen atom; L represents a halogen atom, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an aryloxy group, an acyloxy group, a carbonic acid ester group, an amino group, a carbonamido group, a sulfonamido group, an ureido group, an aminosulfonamido group, a carbamate group, a carboxyl group, an oxycarbonyl group, a carbamoyl group, an acyl group, a sulfo group, an alkylsulfonyl group, an arylsulfonyl group, a sulfamoyl group, a cyano group or a nitro group; and m represents 0 or 1, or a group having a formula as follows: ##STR211## wherein M represents ##STR212## n represents 2 or 3; R.sup.11 represents a hydrogen atom, an alkyl group, a phenyl group, a halogen atom or an alkoxy group; R.sup.12 and R.sup.13, which may be the same or different, each represents a halogen atom, an alkyl group or a phenyl group, or R.sup.12 and R.sup.13 may be ring-closed to form a benzene ring; and
- Q represents a hydroxyl group ##STR213## R.sup.14 represents a hydrogen atom, an aryl group or an alkyl group; R.sup.15 represents a hydrogen atom or an acyl group; and R.sup.16 represents a hydrolyzable group.
- 6. The method of claim 1, wherein the concentration of said electron-transferring agent precursor by mole is from 0.01 to 20 times the concentration of said electron-transferring agent.
- 7. The method of claim 1, wherein the concentration of said electron-transferring agent precursor by mole is from 0.1 to 5 times the concentration of said electron-transferring agent.
- 8. The method of claim 1, wherein the decomposition speed of said electron-transferring agent precursor in said material is from 0.01 to 100 times the decomposition speed of said electron-transferring agent existing in said material.
- 9. The method of claim 1, wherein the decomposition speed of said electron-transferring agent precursor in said material is from 0.1 to 5 times the decomposition speed of said electron-transferring agent existing in said material.
- 10. The method of claim 1, wherein said at least one of electron-donating agent and a precursor thereof is a compound represented by formula (C) or (D): ##STR214## wherein A.sub.1 and A.sub.2, which may be the same or different, each represents a hydrogen atom or a protective group for a phenolic hydroxyl group capable of being deprotected by a nucleophilic agent; and R.sup.17, R.sup.18, R.sup.19 and R.sup.20, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkylsulfonyl group, a sulfo group, a halogen atom, a cyano group, a substituted or unsubstituted carbamoyl group, a substituted or unsubstituted sulfamoyl group, a substituted or unsubstituted amido group, a substituted or unsubstituted imido group, a carboxyl group or a substituted or unsubstituted sulfonamido group, provided that the total number of carbon atoms in R.sup.17 and R.sup.18 and R.sup.19 and R.sup.20 is 8 or more; and at least one combination of R.sup.17 and R.sup.18, and R.sup.19 and R.sup.20 in formula (C), and at least one combination of R.sup.17 and R.sup.18, and R.sup.19 and R.sup.20 in formula (D) may be bonded to each other to form a saturated or unsaturated ring.
- 11. The method of claim 1, wherein said reducible dye-forming compound is a compound represented by formula (L):
- PWR-(Time).sub.t -Dye (L)
- wherein PWR represents a group capable of releasing -(Time).sub.t -Dye by reduction; Time represents a group which releases Dye by the subsequent reaction, after having been released with PWR in the form of -(Time).sub.t -Dye; t represents 1 or 0; and Dye represents a dye or a precursor thereof.
- 12. The method of claim 1, wherein said reducible dye-forming compound is a compound represented by formula (L-II): ##STR215## wherein (Time).sub.t -Dye is bound to anyone of R.sup.21, R.sup.22 or EAG; X represents an oxygen atom, a sulfur atom or a nitrogen-containing group --NR.sup.23 --; R.sup.21, R.sup.22 and R.sup.23, which may be the same or different, each represents a bond or a substituent other than hydrogen; and EAG represents an aromatic group which accepts an electron from a reducing substance.
- 13. The method of claim 12, wherein said reducible dye-forming compound is a compound represented by formula (L-III): ##STR216## wherein (Time).sub.t -Dye is bound to anyone of R.sup.24 and EAG; Y.sup.1 represents a divalent linking group; X and EAG have the same meanings as in claim 12; and R.sup.24 represents an atomic group which is bonded to X and Y.sup.1 to form a 5-membered to 8-membered monocyclic or condensed heterocyclic ring including nitrogen.
Priority Claims (1)
Number |
Date |
Country |
Kind |
62-298571 |
Nov 1987 |
JPX |
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Parent Case Info
This is a Continuation of application Ser. No. 07/275,198 filed Nov. 23, 1988, now abandoned.
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4139379 |
Chasman et al. |
Feb 1979 |
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Nov 1988 |
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Nakamura |
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Non-Patent Literature Citations (1)
Entry |
Van de Sande, Angew. Chem. Ind. Ed. Engl, 22:191-209 (1983). |
Continuations (1)
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Number |
Date |
Country |
Parent |
275198 |
Nov 1988 |
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