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US3665016A
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Aminoalkylthio indoles
Assignee: Centre National de la Recherche Scientifique
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Filing: 1968-10-03
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Granted: 1972-05-23
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Expires: 1988-10-03
Abstract
Abstract A class of amino alkyl thioethers of 2-mercapto indole is described together with methods for their manufacture from indoline-2-thione starting materials, reacted with amine or aziridine. The compounds are of therapeutic value as pain relievers, tranquillizers and other purposes.
Inventors
- 👤 Jacques Bourdais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:44
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
23 words
A compound of claim 1 wherein R1 is hydrogen or methyl; R2 is hydrogen, iso-propyl or cyclopentyl; and alk is ethylene or propylene
Claim 2
Dependent Claim
16 words
A compound of claim 2 wherein each of R4 and R5 is hydrogen or lower alkyl.
Claim 3
Dependent Claim
15 words
A compound of claim 3 wherein said lower alkyl group is methyl, ethyl or iso-propyl.
Claim 4
Dependent Claim
14 words
A compound of claim 2 wherein -NR4R5 is a heterocyclic group of the formula
Claim 5
Dependent Claim
13 words
A compound of claim 23, wherein -NR4R5 is a group of the formula
Claim 6
Dependent Claim
11 words
A compound of claim 2, wherein R1 and R2 are hydrogen.
Claim 7
Dependent Claim
17 words
A compound of claim 7 wherein R4 and R5 are both methyl or isopropyl; or -NR4R5 is
Claim 8
Dependent Claim
17 words
The compound of claim 8 wherein alk is ethylene and -NR4R5 is dimethylamino and the hydrochloride thereof.
Claim 9
Dependent Claim
17 words
The compound of claim 8 wherein alk is ethylene and NR4R5 is di-isopropylamino and the hydrochloride thereof.
Claim 10
Dependent Claim
17 words
The compound of claim 8 wherein alk is propylene and -NR4R5 is dimethylamino and the hydrochloride thereof.
Claim 11
Dependent Claim
12 words
The compound of claim 8 wherein alk is propylene and -NR4R5 is
Claim 12
Dependent Claim
12 words
The compound of claim 8 wherein alk is propylene and -NR4R5 is
Claim 13
Dependent Claim
12 words
The compound of claim 8 wherein alk is ethylene and -NR4R5 is
Claim 14
Dependent Claim
9 words
An indole of claim 1 which is a hydrochloride.
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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |