US3890348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indole-1 and indoline-1-carboxamides and thiocarboxamides
Assignee: Sandoz AG
•
Filing: 1973-03-26
•
Granted: 1975-06-17
•
Expires: 1993-03-26
Abstract
Abstract Disclosed are compounds of the general class of indole-1carboxamides and thiocarboxamides and compounds which are 2,3dihydroindole-1-carboxamides and thiocarboxamides. The indole products are prepared by oxidation or dehydrogenation of the corresponding 2,3-dihydro (i.e. indoline) carboxamide or thiocarboxamide and the latter are prepared by reaction of an appropriate indoline compound with isocyanic or thiocyanic acid. The carboxamides and thiocarboxamides have pharmacological activity in animals and are useful an anti-inflammatories.
Inventors
- 👤 Faizulla G Kathawala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:15
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
10 words
A compound according to claim 1 wherein X is oxygen.
Claim 4
Dependent Claim
10 words
A compound according to claim 1 wherein X is sulfur.
Claim 5
Dependent Claim
12 words
A compound of claim 1 wherein R1 is in the 5 position.
Claim 6
Dependent Claim
9 words
A compound of claim 1 wherein R1 is dimethylamino.
Claim 7
Dependent Claim
9 words
A compound of claim 1 wherein R2 is hydrogen.
Claim 8
Dependent Claim
1 words
5-dimethylaminoindoline-1-thiocarboxamide.
Claim 9
Dependent Claim
1 words
5-dimethylaminoindoline-1-thiocarboxamide.
Claim 10
Dependent Claim
8 words
The compound of claim 2 which is 5-dimethylaminoindoline-1-carboxamide.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |