Indan-1-carboxylic acid derivatives
Abstract
Abstract WHEREIN ALL OF THE SYMBOLS HAVE THE SAME MEANING AS ABOVE. 1,2-(-CO-(CH2)(N-1)-C(-R3)(-CO-R2)-),4-X,5-R1-BENZENE HAVING ANTI-INFLAMMATORY ACTIVITY, ANALEGETIC ACTIVITY, ANTIPYRITIC ACTIVITY AND LOW TOXICITY, WHEREIN R1 IN THE FORMULA IS ALKYL, R2 IS HYDROXYL, ALKOXYL, OR AMINO, R3 IS HYDROGEN OR ALKYL, X IS HALOGEN AND N IS AN INTEGER OF 2 OR 3. THE PRESENT APPLICATION IS ALSO CONCERNED WITH THE PROCESS OF PRODUCING THE AFOREMENTIONED COMPOUNDS. ALSO PROVIDED HEREIN ARE INTERMEDIATES USED IN THE PRODUCTION OF THE COMPOUNDS OF FORMULA I REPRESENTED BY THE GENERAL FORMULA 1,2-(-(CH2)N-C(-R3)(-CO-R2)-),4-X,5-R1-BENZENE THE PRESENT INVENTION PROVIDES FOR COMPOUNDS OF THE FORMULA
Inventors
- 👤 S Noguchi
- 👤 S Kishimoto
- 👤 K Kawai
- 👤 M Obayashi
- 👤 I Minamida
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |