Dibenzo-pyrazino-azepines
Abstract
Abstract 1,2-(-(R1-1,2-PHENYLENE)-X-(R2-1,2-PHENYLENE)-),4-R3- PIPERAZINE THE PRESENT INVENTION RELATES TO NEW PIPERAZINE DERIVATIVES OF THE GENERAL FORMULA: 1,2-(-(R2-1,2-PHENYLENE)-X-(R1-1,2-PHENYLENE)-),4-R3- PIPERAZINE IN WHICH X IS SULFUR, OXYGEN, OR N-(C1-C6-ALKYL); R1 AND R2 ARE HYDROGEN, HALOGEN, ACYLOXY, ALKYL, ALKOXY OR TRIFLUOROMETHYL; R3 IS HYDROGEN, ALKYL, PHENYLALKYL AMINOETHYL OR AMINOPROPYL EACH OF WHICH LATTER MAY BE SUBSTITUTED AT N BY ALKYL OR ALKYL WITH A 5- OR 6-MEMBERED NITROGEN CONTAINING RING; AND THE ACID ADDITION SALTS, QUATERNARY AMMONIUM DERIVATIVES, NITROGEN OXIDES, OR SULFUR OXIDES THEREOF. THE ABOVE COMPOUNDS EXERT ANTIHISTAMINIC, ANTISEROTINIC, ANTIINFLAMMATORY AND CARDIOVASCULAR ACTIVITIES AND THE INTERMEDIATE PRODUCTS EXERT SEDATIVE, TRANQUILIZING AND ANTI-DEPRESSIVE ACTIVITIES.
Inventors
- 👤 Willem Jacob Van Der Burg
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |