US4621046A
Expired / Lapsed
US
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Pyrazolo(1,5-B)-1,2,4-triazole derivatives
Assignee: Fujifilm Holdings Corp
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Filing: 1985-02-19
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Granted: 1986-11-04
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Expires: 2005-02-19
Abstract
Abstract A novel pyrazolo[1,5-b]-1,2,4-triazole derivative represented by the general formula (I) is described. ##STR1## wherein R 1 and R 2 which may be the same or different, each represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon coupling; and Y represents a hydrogen atom or an aralkyl group.
Inventors
- 👤 Tadahisa Sato
- 👤 Toshio Kawagishi
- 👤 Nobuo Furutachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38; C07D487/00; C07D487/02; C07D487/04; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; G03C7/30517; G03C7/30529; G03C7/32; G03C7/36; G03C7/38; G03C7/381; G03C7/382; G03C7/3825; G03C7/3835
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
48 words
A novel pyrazolo[1,5-b]-1,2,4-triazole derivative compound represented by general formula (I): ##STR23## wherein R 1 and R 2 are independently a hydrogen atom or a substituent; X is a hydrogen atom or a group capable of being released upon coupling; Y represents a hydrogen atom or an aralkyl group.
Claim 2
Dependent Claim
48 words
A novel pyrazolo[1,5-b]-1,2,4-triazole derivative compound represented by general formula (I): ##STR23## wherein R 1 and R 2 are independently a hydrogen atom or a substituent; X is a hydrogen atom or a group capable of being released upon coupling; Y represents a hydrogen atom or an aralkyl group.
Claim 3
Dependent Claim
109 words
A compound as claimed in claim 1, wherein R 1 and R 2 are independently a hydrogen atom, a halogen atom, an aliphatic residue, an aryl group, a heterocyclic group, a cyano group, an alkoxy group, an aryloxy group, an acylamino group, an anilino group, a ureido group, a sulfamoylamino group, an alkylthio group, an arylthio group, an alkoxycarbonylamino group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, a heterocyclicoxy group, an acyloxy group, a carbamoyloxy group, a silyloxy group, an aryloxycarbonylamino group, an imido group, a heterocyclicthio group, a sulfinyl group, a phosphonyl group, an aryloxycarbonyl group, an acyl group or an alkoxycarbonyl group.
Claim 4
Dependent Claim
53 words
A compound as claimed in claim 1, wherein X is a hydrogen atom, a halogen atom, a carboxy group or a group capable of being released upon coupling which is bonded to the carbon atom of the coupling position through an oxygen atom, a nitrogen atom, a carbon atom or a sulfur atom.
Claim 5
Dependent Claim
25 words
A compound as claimed in claim 1, wherein R 1 , R 2 or X are independently a divalent group for forming a bis coupler.
Claim 6
Dependent Claim
91 words
A compound as claimed in claim 2, wherein the aliphatic residue represented by R 1 or R 2 is a straight chain or branched chain alkyl group having from 1 to 32 carbon atoms, an aralkyl group, an alkenyl group, an alkinyl group or a cycloalkyl group and each of which may be substituted with a substituent bonded through an oxygen atom, a nitrogen atom, a sulfur atom or a carbonyl group, a hydroxy group, an amino group, a nitro group, a carboxy group, a cyano group or a halogen atom.
Claim 7
Dependent Claim
64 words
A compound as claimed in claim 3, wherein X represents a hydrogen atom, a halogen atom, a carboxy group, a group bonded to the coupling position through an oxygen atom, a group bonded to the coupling position through a nitrogen atom, a group bonded to the coupling position through a sulfur atom or a group bonded to the coupling position through a carbon atom.
Claim 8
Dependent Claim
80 words
A compound as claimed in claim 4, wherein the divalent group for forming a bis coupler represented by R 1 or R 2 is a substituted or unsubstituted alkenylene group, a substituted or unsubstituted phenylene group, a group of the formula --NHCO--R 3 --CONH-- (wherein R 3 represents a substituted or unsubstituted alkylene group or a subsituted or unsubstituted phenylene group) or a group of the formula --S--R 3 --S-- (wherein R 3 is the same meaning as defined above).
Claim 9
Dependent Claim
70 words
A compound as claimed in claim 1 is a compound represented by the general formula (I'): ##STR24## wherein R 1 ' and R 2 ' each independently represents a hydrogen atom, an alkyl group or a phenyl group; X' represents a hydrogen atom, a halogen atom, an acyl group, a nitroso group, an amino group, or a substituted amino group; and Y' represents a hydrogen atom or a benzyl group.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-03 | 1990-05-05 | 1990-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-03 | 1994-05-05 | 1994-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-03 | 1998-05-05 | 1998-11-04 | $7700.00 | Window Closed / Lapsed |