US3629267A
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Benzoheterocyclicalkyl derivatives of 4-(2-keto -1-benzimidazolinyl)-piperidine 4-(2-keto - 1 - benzimidazolinyl) -1 2 3 6 tetrahydropyridine 1 - phenyl - 1 3 8-triazaspiro(4 5)decan - 4 - one and 2 4 9-triazaspiro(5 5)undecan-1 3 5-trione
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1968-10-28
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Granted: 1971-12-21
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Expires: 1988-10-28
Abstract
Abstract BENZOHETEROCYCLICALKYL DERIVATIVES OF 4-(2-KETO-1-BENZIMIDAZOLINYL)-PIPERIDINE, 4(2-KETO-1-BENZIMIDAZOLINYL)1,2,3,6-TETRAHYDROPYRIDINE, 1-PHENYL-1,3,8-TRIAZASPIRO(4,5)DECAN-4-ONE AND 2,4,9-TRIAZASPIRO(5,5)UNDECAN-1,3,5TRIONE IN WHICH THE BENZOHETEROCYCLIC MOIETY IS THIANAPHTHENYL OR BENZOFURANYL, OPTIONALLY SUBSTITUTED BY CHLORO, BROMO, FLUORO, METHYL, METHOXY OR TRIFLUOROMETHYL, HAVE NEUROLEPTIC ACTIVITY. THE COMPOUNDS ARE GENERALLY PREPARED FROM EITHER THE BENZOHETEROCYCLICALKYL HALIDE BY REACTION WITH THE APPROPRIATE AMINE OR THE BENZOHETEROCYCLIC AMINE BY CONDENSATION WITH A 5,5-BIS(B-HALOETHYL)BARBITURIC ACID.
Inventors
- 👤 Carl Kaiser
- 👤 Charles L Zirkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:02
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/14; C07D409/00; C07D409/02; C07D409/06; C07D409/14; C07D471/00; C07D471/02; C07D471/10
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References Cited (Backward Citations)
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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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |