Claims
- 1. A hydrazide compound having the formula: ##STR6## wherein each R.sup.1 is independently selected from the group consisting of alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl, cycloalkenyl, haloalkyl, hydroxyalkyl, alkoxy, thioalkyl, aryloxy, acyloxy, alkylsulfonylamino, arylsulfonylamino, and acylamino; or two of the R.sup.1 groups taken together can form a carbocyclic ring containing 6-10 atoms;
- wherein i is from 1 to 3, m is 1, and n is from 1 to about 6; A and B are independently selected from the group consisting of --NHNH--COCO--L--Z, hydrogen, alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl, cycloalkenyl, haloalkyl, hydroxyalkyl, alkoxy, thioalkyl, aryloxy, acyloxy, alkylsulfonylamino, arylsulfonylamino, and acylamino; with the proviso that at least one of A and B is a --NHNH--COCO--L--Z group;
- L is O, or NR.sup.2 ;
- R.sup.2 is hydrogen, alkyl, or aralkyl; and
- Z is selected from the group consisting of C.sub.2 -C.sub.6 alkyl and C.sub.3 -C.sub.6 cycloalkyl; wherein the alkyl and cycloalkyl groups are substituted with from 1 to 3 groups selected from hydroxyl, C.sub.1 -C.sub.3 hydroxyalkyl, C.sub.1 -C.sub.5 alkoxy, polyethyleneoxy, and any combination of the foregoing;
- R.sup.3 is alkyl having from about 4 to about 20 carbon atoms or aralkyl having from 6 to about 10 atoms;
- X and Y are substituted or unsubstituted aryl groups; and
- G is a monovalent anion.
- 2. The hydrazide according to claim 1, wherein A is --NHNH--COCO--L--Z and B is hydrogen.
- 3. The hydrazide according to claim 1, wherein each R.sup.1, is independently selected from the group consisting of lower alkyl, lower alkenyl, and alkoxy; or two of the R.sup.1 groups taken together can form a carbocyclic ring containing 6-10 atoms.
- 4. The hydrazide according to claim 3, wherein each R.sup.1, is independently selected from the group consisting of lower alkyl, lower alkenyl, and alkoxy.
- 5. The hydrazide according to claim 1, wherein L is NR.sup.2 ; and
- R.sup.2 is hydrogen, or lower alkyl.
- 6. The hydrazide according to claim 1, wherein G is selected from the group consisting of bromide, chloride, thiocyanate, tosylate and mesylate.
- 7. The hydrazide according to claim 6, wherein G is selected from the group consisting of bromide, chloride, and tosylate.
- 8. The hydrazide according to claim 1, wherein R.sup.3 is selected from the group consisting of butyl, octyl, nonyl, and decyl.
- 9. The hydrazide according to claim 1, wherein Z is selected from the group consisting of C.sub.2 -C.sub.6 alkyl substituted with from 1 to 3 groups selected from hydroxyl, C.sub.1 -C.sub.3 hydroxyalkyl, C.sub.1 -C.sub.5 alkoxy.
- 10. The hydrazide according to claim 1, wherein Y is phenyl naphthyl or tetrahydronaphthyl.
- 11. The hydrazide according to claim 1, wherein R.sup.1 is lower alkyl, L is NR.sup.2, R.sup.2 is hydrogen or lower alkyl, Z is C.sub.2 -C.sub.6 alkyl substituted with an hydroxy group, R.sup.3 is an alkyl group having from about 6 to about 10 carbon atoms, the Y group is phenyl or napthyl, only one of A or B is --NHNH--COCO--L--Z, and n is from 1 to about 3.
- 12. The hydrazide according to claim 1, wherein R.sup.1 is methyl, A is --NHNH--COCO--L--Z, B is hydrogen, L is NR.sup.2, R.sup.2 is hydrogen, Z is hydroxy ethyl, R.sup.3 is nonyl, Y is phenyl, and n is 1.
- 13. The hydrazide according to claim 1, wherein the hydrophilic lipophilic balance is less than 2.2.
- 14. A photographic silver halide material which comprises in at least one layer thereof, at least one hydrazide according to claim 1.
- 15. The photographic silver halide material according to claim 14, wherein the hydrazide has formula I, wherein R.sup.1 is lower alkyl, L is NR.sup.2, R.sup.2 is hydrogen or lower alkyl, Z is C.sub.2 -C.sub.6 alkyl substituted with an hydroxy group, R.sup.3 is an alkyl group having from about to about 10 carbon atoms, the Y group is phenyl or naphthyl, only one of A or B is --NHNH--COCO--L--Z, n is from 1 to about 3, and m is 0.
- 16. The photographic silver halide material according to claim 15, wherein R.sup.1 is methyl, A is --NHNH--COCO--L--Z, B is hydrogen, L is NR.sup.2, R.sup.2 is hydrogen, Z is hydroxy ethyl, R.sup.3 is nonyl, Y is phenyl, n is 1, and m is 0.
- 17. A hydrazide compound having the formula: ##STR7## wherein each R.sup.1 is independently selected from the group consisting of alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl, cycloalkenyl, haloalkyl, hydroxyalkyl, alkoxy, thioalkyl, aryloxy, acyloxy, alkylsulfonylamino, arylsulfonylamino, and acylamino; or two of the R.sup.1 groups taken together can form a carbocyclic ring containing 6-10 atoms;
- wherein i is from 1 to 3, m is from 0 to 1, and n is from 1 to about 6;
- A and B are independently selected from the group consisting of --NHNH--COCO--L--Z, hydrogen, alkyl, alkenyl, alkynyl, aralkyl, cycloalkyl, cycloalkenyl, haloalkyl, hydroxyalkyl, alkoxy, thioalkyl, aryloxy, acyloxy, alkylsulfonylamino, arylsulfonylamino, and acylamino; with the proviso that at least one of A and B is a --NHNH--COCO--L--Z group;
- L is O, or NR.sup.2 ;
- R.sup.2 is hydrogen, alkyl, or aralkyl; and
- Z is selected from the group consisting of C.sub.2 -C.sub.6 alkyl and C.sub.3 -C.sub.6 cycloalkyl;
- wherein the alkyl and cycloalkyl groups are substituted with from 1 to 3 groups selected from hydroxyl, C.sub.1 -C.sub.3 hydroxyalkyl, C.sub.1 -C.sub.5 alkoxy, polyethyleneoxy, and any combination of the foregoing;
- R.sup.3 is aralkyl having from 6 to about 10 atoms;
- X and Y are substituted or unsubstituted aryl groups; and
- G is a monovalent anion.
Parent Case Info
This application claims priority pursuant to 35 U.S.C. 119 from U.S. provisional application Ser. No. 60/009,724 filed Jan. 5, 1996, the entire disclosure of which is hereby incorporated by reference.
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