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US3839333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-pyrazolyl-(1)-7-v-triazolyl-(2)-coumarins
Assignee: Bayer AG
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Filing: 1972-05-22
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Granted: 1974-10-01
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Expires: 1992-05-22
Abstract
Abstract 3-(Pyrazolyl-(1))-7(v-triazolyl-(2))-coumarins of the formula IN WHICH R1 is hydrogen or an optionally substituted alkyl or aryl radical; R2 is an optionally substituted alkyl or aryl radical, cyano, the carboxylic acid group, an alkoxy-carbonyl group, an optionally substituted carboxylic acid amide group or an acylated amino group; R1 together with R2 and the two carbon atoms of the triazole ring may form a 5- or 6-membered nonaromatic ring system; and R3, R4 and R5, independently of one another, stand for hydrogen or an optionally substituted alkyl or aryl radical. These compounds are useful as brightening agents.
Inventors
- 👤 A Dorlars
- 👤 W Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:58
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D405/00; C07D405/02; C07D405/04; C07D233/00; C07D233/54; C07D233/56; C07D249/00; C07D249/02; C07D249/08; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
5 words
A 3-(PYRAZOLYL-(1))-7-CV-TRIAZOLYL-(2))-COUMARIN OF THE FORMULA
Claim 2
Dependent Claim
5 words
A 3-(PYRAZOLYL-(1))-7-CV-TRIAZOLYL-(2))-COUMARIN OF THE FORMULA
Claim 3
Dependent Claim
95 words
A 3-(pyrazolyl-(1))-7-(v-triazolyl-(2))- coumarin of claim 1 in which R1 is hydrogen; C1-C4-alkyl; cyclohexyl; benzyl; phenyl; or phenyl mono-substituted with fluorine, chlorine, bromine, cyano, C1-C4-alkyl, C1-C4-alkoxy, -COOH, (C1-C4-alkoxy)-carbonyl, C1-C4-alkylsulfonyl, benzyl or benzyloxy; R2 is C1-C10-alkyl; cyclohexyl; benzyl; naphthyl; phenyl; or phenyl mono-substituted with fluorine, chlorine, bromine, cyano, C1-C4-alkyl, C1-C4-alkoxy, --COOH, (C1-C4-alkoxy)-carbonyl, C1-C4-alkylsulfonyl, benzyl or benzyloxy; or R1 and R2 together with two carbon atoms of the triazole ring in the above formula form a cyclopentane ring or a cyclohexane ring; R3 is hydrogen, methyl, phenyl, p-tolyl, or p-anisyl; and R4 and R5 are hydrogen or methyl.
Claim 4
Dependent Claim
49 words
A 3-(pyrazolyl-(1))-7-(v-triazolyl-(2))- coumarin of claim 1 in which R2 is cyano; -COOH; -CONH2; (C1-C4-alkoxy)-carbonyl; (C1-C4-alkyl)-carbonylamino; phenylcarbonylamino; s-triazinylamino; phenylcarbonylamino mono-substituted with chloro, methyl or methoxy; or s-triazinyl amino mono- or di-substituted by halogen, methyl, methoxy, ethoxy, propoxy, ethylamino, dimethylamino, diethylamino, dipropylamino, anilino or toluidino; and R3, R4and R5 are hydrogen.
Claim 5
Dependent Claim
58 words
A 3-(pyrazolyl-(1))-7-(v-triazolyl-(2))- coumarin of claim 1 in which R1 is C1-C4-alkyl; cyclohexyl; benzyl; phenyl; or phenyl mono-substituted with fluorine, chlorine, bromine, cyano, C1-C4-alkyl, C1-C4-alkoxy, -COOH, (C1-C4-alkoxy)-carbonyl, C1-C4-alkylsulfonyl, benzyl, or benzyloxy; R2 is cyano; -COOH; CONH2; (C1-C4-alkyl)-carbonyl- amino; (C1-C4-chloroalkyl)-carbonylamino; benzoylamino; chlorobenzoyl-amino; methylbenzoylamino; methoxybenzoylamino; (C1-C4-alkoxy)-carbonylamino; 4-chloro-6-methoxy-s-triazinylamino-(2); 4-chloro-6-ethoxy-s-triazinyl-amino-(2); 4-chloro-6-propoxy-s-triazinyl-amino-(2); 4-chloro-6-isopropoxy-s- triazinyl-amino-(2); 4,6-bis-dimethylamino-s-triazinyl-amino-(2); 4,6-bix-diethylamino-s-triazinyl-amino-(2); 4,6-bis-dipropylamino-s-triazinyl-amino-(2); 4-ethylamino-6-anilino-s-triazinyl-amino-(2); 4-diproylamino-6-anilino-s-triazinyl-amino-(2); 4-dipropylamino-6-o-toluidino-s-triazinyl-amino-(2); 4-methyl-6-methoxy-s-triazinyl-amino-(methoxy-s-triazinyl-amino-(2); 4-methyl-6-ethoxy-s-triazinyl-amino-(2); or N-pyrrolidonyl.
Claim 6
Dependent Claim
26 words
3-(Pyrazolyl-(1))-7-(v-triazolyl-(2))-coumarin of claim 1 in which R1 and R2 together with two carbon atoms of the triazole ring form a cyclopentane ring or a cyclohexane ring.
Claim 7
Dependent Claim
22 words
3-(Pyrazolyl-(1))-7-(v-triazolyl-(2))-coumarin of claim 1 in which R3 is hydrogen, methyl, phenyl, p-tolyl or p-anisyl; and R4 and R5 are hydrogen or methyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |