Substituted cinnamamides
Abstract
Abstract C2H5NH-COO-C2H4- THE PRESENT INVENTION CONCERNS NEW CINNAMAMIDES OF FORMULA: (R1,R2,R3-PHENYL)-C(-R4)=C(-R5)-CO-N(-R6)-C(-R7)(-R8)- CH(-R9)-R10 IN WHICH R1 AND R3 ARE HYDROGEN, A LOWER ALKYL OR LOWER ALKOXY RADICAL; R2 IS HYDROGEN, A HALOGEN, A LOWER ALKYL OR LOWER ALKOXY RADICAL; R4 AND R5 ARE HYDROGEN OR A LOWER ALKYL RADICAL; R6 IS HYDROGEN, A LOWER ALKYL OR LOWER HYDROXYL ALKYL RADICAL ARYL RADICAL OR R7 AND R8 ARE HYDROGEN, A LOW ALKYL OR LOWER HYDROXY, ALKYL RADICAL; R9 IS HYDROGEN, A LOWER ALKYL OR LOWER HYDROXY ALKYL RADICAL; R10=HALOGEN, A HYDROXY RADICAL EXCEPT WHEN R1 TO R9=H AND R1, R2, R3=CH3O, R4=CH3 AND R5 TO R9=H, A LOWER ALKYL RADICAL, A LOWER HYDROXYALKYL RADICAL, NH2-COO, A LOWER ALKYL RADICAL -NH-COO AND ARYL RADICAL-NH-COO. THE INVENTION IS RELATIVE TO PREPARATION PROCESSES AND MEDICINE CONTAINING AS ACTIVE PRINCIPLE A CINNAMAMIDE OF FORMULA I, IN WHICH THE RADICALS R1 TO R9 HAVE THE SAME MEANINGS A S ABOVE AND R10=HALOGEN, A HYDROXY RADICAL-EXCEPT WHEN R1, R2, R3=CH3O, R4=CH3 AND R5 TO R9=H-LOWER HYDROXY ALKYL, NH2COO, LOWER ALKYL-NHCOO-ARYL NHCOO.
Inventors
- 👤 M Grand
- 👤 M Bayssat
- 👤 L Fontaine
Bibliographic Details
Claims Analysis
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |