Silver halide photographic materials containing a compound which releases a photographically useful group

Claim 2

A silver halide photographic material containing a compound represented by formula (I) RED--L.sub.1).sub.v B--L.sub.2).sub.w PUG (I) wherein RED represents a group adapted to release the group (L 1 ) v B--L 2 ) w PUG upon oxidation: L 1 represents a group adapted to release the group B--L 2 ) w PUG after cleavage from RED; B represents a group which, after cleavage of the bond with L 1 or RED, releases the group (L 2 ) w PUG upon reaction with an oxidized developing agent; L 2 represents a group which, after cleavage from B, releases PUG; PUG represents a photographically useful group; and v and w each represents 0 or 1.

Claim 3

A silver halide photographic material as in claim 1, wherein the group represented by RED in formula (I) is a group represented by formula (II) A.sub.1 --P--X═Y).sub.n Q--A.sub.2 (II) wherein P and Q each represents an oxygen atom or a substituted or unsubstituted imino group, and at least one of the n occurrences of X and the n occurrences of Y represents a methine group having --L 1 ) v B--L 2 ) w PUG as a substituent, and the other occurrences of X and Y each represents a substituted or unsubstituted methine group or a nitrogen atom; n is an integer of 1 to 3; A 1 and A 2 each represents a hydrogen atom or a group capable of removed with alkali.

Claim 4

A silver halide photographic material as in claim 2; wherein P and Q each represents a substituted or unsubstituted imino group substittuted by a sulfonyl or acryl group and are represented by the formula ##STR18## wherein * denotes the position of attachment to A 1 to A 2 and ** denotes the position of attachment to one of the available valences of --X═Y) n ; and G represents straight-chain or branched-chain, acyclic or cyclic, saturated or unsaturated, and substituted or unsubstituted aliphatic groups having from 1 to 32 carbon atoms, substituted or unsubstituted aromatic groups having from 6 to 10 carbon atoms, 4- to 7-membered heterocyclic group in which the hetero atom or atoms are selected from nitrogen, sulfur, and oxygen atoms.

Claim 5

A silver halide photographic material as in claim 2, wherein RED is represented by formula (III) ##STR19## wherein * denotes the position of attachment of --L 1 ) v B--L 2 ) w PUG; and P, Q, A 1 , and A 2 have the same meanings as defined for formula (II), and R represents a substituent group and "q" represents an integer of 0, 1, or 3.

Claim 6

A silver halide photographic material as in claim 2, wherein RED is represented by formula (IV) ##STR20## wherein * denotes the position of attachment of --L 1 ) v B--L 2 ) w PUG; and P, Q, A 1 , and A 2 have the same meanings as defined for formula (II), and R represents a substituent group and q represents an integer of 0, 1, or 3.

Claim 7

A silver halide photographic material as in claim 4, wherein the RED moiety represented by formula (III) is represented by formula (V) ##STR21## wherein * denotes the position of attachment of --L 1 ) v B--L 2 ) w PUG; R has the same meaning as defined for formulae (III); r represents 0, 1 or 2; and EWG represents an electron withdrawing substituent group, or when r is equal to 2 and the two occurrences of R represent adjacent substituents, said substituents may form a fused ring structure.

Claim 8

A silver halide photographic material as in claim 5, wherein the RED moiety represented by formula (IV) is represented by formula (VI) ##STR22## wherein * denotes the position of attachment of --L 1 ) v B--L 2 ) w PUG; R has the same meaning as defined for formulae (III); r represents 0, 1 to 2; and EWG represents an electron withdrawing substituent group, or when r is equal to 2 and the two occurrences of R represent adjacent substituents, said substituents may form a fused ring structure.

Claim 9

A silver halide photographic material as in claim 1, wherein B represents a group which provides a coupler and is selected from the groups represented by formulae(Cp-1), (Cp-2), (Cp-3), (Cp-4), (Cp-5), (C-6), (Cp-7), (Cp-8), (Cp-9), (Cp-10), and (Cp-11) ##STR23## wherein * denotes the position of attachment to RED--L 1 ) v ; ** denotes the position of attachment to (L 2 ) w PUG; R 51 represents an aliphatic, aromatic, or heterocyclic group; R 52 represents an aromatic or heterocyclic group; R 53 represents a hydrogen atom, a straight-chain or branched-chain alkyl or alkenyl group having from 1 to 32 carbon atoms, a cyclic alkyl group, an aralkyl group, or a cyclic alkenyl group, an aryl group or a heterocyclic group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aralkyloxycarbonyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, a carboxyl group, an acylamino group, a diacylamino group, an N-alkylacylamino group, an N-arylacylamino group, a ureido group, a urethane group, a thiourethane group, an arylamino group, an alkyl-amino group, a cycloamino group, a dialkylamino group, a heterocyclic-amino group, an alkylcarbonyl group, an aryl-carbonyl group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, a cyano group, a hydroxy group, or a sulfo group; R 54 represents a straight-chain or branched-chain alkyl group or alkenyl group having from 1 to 32 carbon atoms, a cyclic alkyl group, an aralkyl group, a cyclic alkenyl group, an aryl group, or a heterocyclic group; R 55 represents a hydrogen atom or a straight-chain or branched-chain alkyl or alkenyl group having from 1 to 32 carbon atoms, a cyclic alkyl group, an aralkyl group, or a cyclic alkenyl group; R 56 represents a hydrogen atom, a halogen atom, an alkoxycarbonylamino group, an aliphatic hydrocarbon group, a sulfonamido group, an N-arylureido group, an acylamino group, --O--R 60 or --S--R 60 , wherein R 60 is an aliphatic hydrocarbon group, and when R 56 exists in 2 or more occurrences, they may be the same or different; R 57 and R 58 each represents an aliphatic hydrocarbon group, or one of R 57 and R 58 represents a hydrogen atom, and R 57 and R 58 may together represent a nitrogen-containing heterocyclic nucleus.

Claim 10

A silver halide photographic material as in claim 1, wherein L 1 of formula (I) represents ##STR24## wherein * denotes the position of attachment of RED- of formula (I); ** denotes the position of attachment of --B--L 2 ) w PUG of formula (I); w represents an oxygen atom or a group ##STR25## wherein R 3 represents a group selected from the group consisting of an acyl group, a sulfonyl group, an aliphatic group and a carbamoyl group; R 1 and R 2 each represents a hydrogen atom or a group selected from the group consisting of an acyl group, a carbamoyl group and an aliphatic group; t represents 1 or 2, and when t is 2, the two occurrences of each of R 1 and R 2 represent the same or different groups; and R 1 , R 2 and R 3 can be combined to form a cyclic structure.

Claim 11

A silver halide photographic material as in claim 1, wherein L 2 of formula (I) represents ##STR26## wherein * denotes the position of attachment of RED--L 1 ) v B-- of formula (I); ** denotes the position of attachment of -PUG of formula (I); W represents an oxygen atom or a group ##STR27## wherein R 3 represents a group selected from the group consisting of an acyl group, a sulfonyl group, an aliphatic group and a carbamoyl group; R 1 and R 2 each represents a hydrogen atom or a group selected from the group consisting of an acyl group, a carbamoyl group and an aliphatic group; t represents 1 to 2, and when t is 2, the two occurrences of each of R 1 and R 2 represent the same or different groups; and R 1 , R 2 and R 3 can be combined to form a cyclic structure.

Claim 12

A silver halide photographic material as in claim 1, wherein L 1 of formula (I) represents a group wherein cleavage is induced by intramolecular nucleophilic substitution reaction.

Claim 13

A silver halide photographic material as in claim 1, wherein L 2 of formula (I) represents a group wherein cleavage is induced by intramolecular nucleophilic substitution reaction.

Claim 14

A silver halide photographic material as in claim 1, wherein L 1 of formula (I) represents ##STR28## wherein * denotes the position of attachment of RED- of formula (I); ** denotes the attachment of --B--L 2 ) w PUG of formula (I); R 4 represents a hydrogen atom or a group selected from the group consisting of an aliphatic group and an aromatic group; and R 5 represents a hydrogen atom or a group selected from the group consisting of an aliphatic group, an aromatic group and an alkoxycarbonyl group.

Claim 15

A silver halide photographic material as in claim 1, wherein L 2 of formula (I) represents ##STR29## wherein * denotes the position of attachment of RED--L 1 ) v B of formula (I); ** denotes the position of attachment of -PUG of formula (I); R 4 represents a hydrogen atom or a group selected from the group consisting of an aliphatic group and an aromatic group; and R 5 represents a hydrogen atom or a group selected from the group consisting of an aliphatic group, an aromatic group and an alkoxycarbonyl group.

Claim 16

A silver halide photographic material as in claim 1, wherein said silver halide photographic light-sensitive material is a multi-layer color photographic element comprising a support having thereon at least two color-sensitive emulsion layers having different spectral sensitivities, and PUG of formula (I) is a development inhibitor or a fogging agent and the compound of formula (I) is used in an amount of from 1×10 -7 to 5×10-1 moles per mole of silver halide associated therewith.

Claim 17

A silver halide photographic material as in claim 1, wherein said silver halide photographic light-sensitive material is a multi-layer color photographic element comprising a support having thereon at least two color-sensitive emulsion layers having different spectrosensitivities, and PUG of formula (I) is a development inhibitor or a fogging agent and the compound of formula (I) is used in an amount of from 1×10 -6 to 1×10 -1 moles per mole of silver halide associated therewith.

Claim 18

A silver halide photographic material as in claim 1, wherein said silver halide photographic light-sensitive material is a multi-layer color photographic element comprising a support having thereon at least two color-sensitive emulsion layers having different spectrosensitivities, and PUG of formula (I) is a photographically useful compound other than a development inhibitor or a fogging agent, and the compound of formula (I) is present in a range of from 1×10 -4 to 1×10 -1 mole per mole of silver halide associated therewith.

Claim 19

A silver halide photographic material as in claim 1, wherein said silver halide photographic light-sensitive material is a multi-layer color photographic element comprising a support having thereon at least two color-sensitive emulsion layers having different spectrosensitivities, and PUG of formula (I) is a photographically useful compound other than a development inhibitor or a fogging agent, and the compound of formula (I) is present in a range of from 1×10 -3 to 1 mole per mole of silver halide associated therewith.

Claim 20

A silver halide photographic material as in claim 1, wherein said material comprises a silver chlorobromide or silver iodochlorobromide emulsion layer containing at least 60% silver chloride and up to 5% silver iodide and further contains a polyalkylene oxide, and the compound of formula (I) is used in a range of from 1×10 -7 moles to 1×10 -1 moles per mole of silver halide associated therewith.

Claim 21

A silver halide photographic material as in claim 1, wherein said material comprises a mono-dispersed silver halide emulsion capable of forming an ultra-hard negative image with the use of a stable developer solution through the action of a hydrazine derivative, and the compound of formula (I) is used in a range of from 1×10 -5 moles to 8×10 -2 moles per mole of silver halide associated therewith.

Claim 22

A silver halide photographic material as in claim 1, wherein B in formula (I) is not a coupler group, and the material comprises a support having on at least one side thereof a sliver iodobromide or silver iodochlorobromide emulsion layer containing up to 50 mole% silver chloride and up to 15 mole% silver iodide, wherein the compound of formula (I) is used in a range of from 1×10 -6 moles to 1×10 -1 moles per mole of silver halide associated therewith.