US3187006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted pyrazoles and method of preparing same
Assignee: BASF Corp
•
Filing: 1959-05-26
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Granted: 1965-06-01
•
Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Druey Jean
- 👤 Schmidt Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:49
CPC Classifications
C; C07; C07C; C07C243/00; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38; C07D401/00; C07D401/02; C07D401/04; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 1-R-3-AMINO-4-R'' PYRAZOLE, WHEREIN R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, CYCLOALKYL, LOWER MONO-HYDROXYALKYL, LOWER ALKOXY-LOWER ALKYL, PHENYL, HALOPHENYL, LOWER ALKYLPHENYL, NITROPHENYL AND PYRIDYL, SAID CYCLOALKYL HAVING FROM 5 TO 6 CARBON ATOMS AND R'' STANDS FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBOXY, CARBAMYL, THIOCARBAMYL AMIDINO, CARBO-LOWER ALKOXY AND CYANO AND ACID ADDITION SALTS, ALKALI- AND ALKANLINE EARTH METAL SALTS THEREOF. 6. 1-LOWER ALKYL-5-AMINO-4-CYANO-PYRAZOLE. 10. 1-PHENYL-5-AMINO-4-CARBO-LOWER ALKOXY-PYRAZOLE.
Claim 2
Dependent Claim
82 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 1-R-3-AMINO-4-R'' PYRAZOLE, WHEREIN R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, CYCLOALKYL, LOWER MONO-HYDROXYALKYL, LOWER ALKOXY-LOWER ALKYL, PHENYL, HALOPHENYL, LOWER ALKYLPHENYL, NITROPHENYL AND PYRIDYL, SAID CYCLOALKYL HAVING FROM 5 TO 6 CARBON ATOMS AND R'' STANDS FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBOXY, CARBAMYL, THIOCARBAMYL AMIDINO, CARBO-LOWER ALKOXY AND CYANO AND ACID ADDITION SALTS, ALKALI- AND ALKANLINE EARTH METAL SALTS THEREOF. 6. 1-LOWER ALKYL-5-AMINO-4-CYANO-PYRAZOLE. 10. 1-PHENYL-5-AMINO-4-CARBO-LOWER ALKOXY-PYRAZOLE.
Claim 3
Dependent Claim
119 words
PROCESS FOR THE MANUFACTURE OF 1-SUBSTITUTED PYRAZOLES AND THEIR DERIVATIVES, WHEREIN A MEMBER SELECTED FROM THE GROUP CONSISTING OF A-Z-A-(LOWER ALKOXY-METHYLENE-)-ACETONITRILE IN WHICH Z REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBO-LOWER ALKOXY, CARBAMYL AND CYANO, IS CONDENSED WITH N-(MONO-R)HYDRAZINE WHICH BEARS AT THE N''-NITROGEN ATOM A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKANE CARBOXYLIC ACID ACYL, BENZYLIDENE AND ALKYLIDENE, AND R STANDS FOR A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYL, MONO-OXY LOWER ALKYL, MONOOXA LOWER ALKYL, CYCLOHEXYL, PHENYL, HALOGEN-PHENYL, LOWER ALKYL-PHENYL, NITROPHENYL AND PYRIDYL, AND THE RESULTING OPEN-CHAIN PRODUCTS ARE TREATED WITH AN ACID HYDROLYZING AGENT WHEREBY THE N''-SUBSTITUENT OF THE HYDRAZINO GROUP IS SPLIT OFF AND THE PYRAZOLE RING IS CLOSED.
Claim 4
Dependent Claim
119 words
PROCESS FOR THE MANUFACTURE OF 1-SUBSTITUTED PYRAZOLES AND THEIR DERIVATIVES, WHEREIN A MEMBER SELECTED FROM THE GROUP CONSISTING OF A-Z-A-(LOWER ALKOXY-METHYLENE-)-ACETONITRILE IN WHICH Z REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBO-LOWER ALKOXY, CARBAMYL AND CYANO, IS CONDENSED WITH N-(MONO-R)HYDRAZINE WHICH BEARS AT THE N''-NITROGEN ATOM A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKANE CARBOXYLIC ACID ACYL, BENZYLIDENE AND ALKYLIDENE, AND R STANDS FOR A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYL, MONO-OXY LOWER ALKYL, MONOOXA LOWER ALKYL, CYCLOHEXYL, PHENYL, HALOGEN-PHENYL, LOWER ALKYL-PHENYL, NITROPHENYL AND PYRIDYL, AND THE RESULTING OPEN-CHAIN PRODUCTS ARE TREATED WITH AN ACID HYDROLYZING AGENT WHEREBY THE N''-SUBSTITUENT OF THE HYDRAZINO GROUP IS SPLIT OFF AND THE PYRAZOLE RING IS CLOSED.
References Cited (Backward Citations)
US2759949A
Cited
US2868803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |