US3732253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-halo-phenylacetamides
Assignee: Gruppo Lepetit SpA
•
Filing: 1970-12-30
•
Granted: 1973-05-08
•
Expires: 1990-12-30
Abstract
Abstract A-HALO-PHENYLACETAMIDE COMPOUNDS, SUCH AS N-PHENETHYL-A-FLUOROPHENYLACETAMIDE, N-(4-ETHOXYPHENETHYL)-AFLUOROPHENYLACETAMIDE AND N-(3,4-DIMETHOXYPHENETHYL)A-BROMOPHENYLACETAMIDE, ARE PREPARED BY THE REACTION OF AN A-HALO SUBSTITUTED PHENYLACETYL HALIDE WITH A SUBSTITUTED PHENYLTHLAMINE IN THE PRESENCE OF AN ANION ACCEPTOR SUCH AS A TERTIARY AMINE. THE A-HALO-PHENYLACETAMIDE COMPOUNDS HAVE PHARMACOLOGICAL ACTIVITY ON THE CARDIOVASCULAR SYSTEM, AND ARE PARTICULARLY ACTIVE AS CORONARY DILATORS.
Inventors
- 👤 B Cavalleri
- 👤 A Sardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:29
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/60; C07C; C07C233/00; C07D317/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References 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) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |