US3931196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphinolines and phosphindolines
Assignee: Monash University
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Filing: 1973-02-26
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Granted: 1976-01-06
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Expires: 1993-02-26
Abstract
Abstract This invention is for phosphinoline and phosphindoline compounds having the formula, Wherein n is 0 or 1; X is 0 or S; R 3 is hydrogen or methyl; R 5 is hydrogen or methyl, or may be bound to R 13 to form a morpholino, piperidino or pyrrolidino ring; R 7 is hydrogen or hydroxy; R 11 and R 12 are hydrogen; R 13 is methyl, or R 13 and R 5 may be joined together as above stated to form a morpholino, piperidino, or pyrrolidino ring. The compounds are analgesics.
Inventors
- 👤 John Melvin Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:43
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6568; C07F9/65685; C07F9/6581; C07F9/6584
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
82 words
A compound of the formula ##EQU8## wherein n is 0 or 1; X is O or S; R 3 is hydrogen or methyl; R 5 is hydrogen or methyl, or may be bound to R 13 to form a morpholino, piperidino or pyrrolidino ring; R 7 is hydrogen or hydroxy; R 11 and R 12 are hydrogen; R 13 is methyl, or R 13 and R 5 may be joined together as above stated to form a morpholino, piperidino, or pyrrolidino ring.
Claim 2
Dependent Claim
82 words
A compound of the formula ##EQU8## wherein n is 0 or 1; X is O or S; R 3 is hydrogen or methyl; R 5 is hydrogen or methyl, or may be bound to R 13 to form a morpholino, piperidino or pyrrolidino ring; R 7 is hydrogen or hydroxy; R 11 and R 12 are hydrogen; R 13 is methyl, or R 13 and R 5 may be joined together as above stated to form a morpholino, piperidino, or pyrrolidino ring.
Claim 3
Dependent Claim
3 words
The compound 1-(2-N,N-dimethylaminoethyl)-1-oxo-1,2,3,4-tetrahydrophosphinoline.
Claim 4
Dependent Claim
3 words
The compound 1-(2-N,N-dimethylaminoethyl)-1-oxo-1,2,3,4-tetrahydrophosphinoline.
Claim 5
Dependent Claim
3 words
The compound 1-(2-N,N-dimethylaminoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
Claim 6
Dependent Claim
3 words
The compound 1-(2-N,N-dimethylaminoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
Claim 7
Dependent Claim
4 words
The compound 1-(2-N,N-dimethylaminoethyl)phosphindoline 1-oxide.
Claim 8
Dependent Claim
4 words
The compound 1-(2-N,N-dimethylaminoethyl)phosphindoline 1-oxide.
Claim 9
Dependent Claim
4 words
The compound 1-(2,N,N-dimethylaminoethyl)phosphindoline 1-sulphide.
Claim 10
Dependent Claim
4 words
The compound 1-(2,N,N-dimethylaminoethyl)phosphindoline 1-sulphide.
Claim 11
Dependent Claim
3 words
The compound 1-(2-pyrrolidinoethyl)-1-oxo-1,2,3,4-tetrahydrophosphinoline.
Claim 12
Dependent Claim
3 words
The compound 1-(2-pyrrolidinoethyl)-1-oxo-1,2,3,4-tetrahydrophosphinoline.
Claim 13
Dependent Claim
3 words
The compound 1-(2-pyrrolidinoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
Claim 14
Dependent Claim
3 words
The compound 1-(2-pyrrolidinoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
Claim 15
Dependent Claim
3 words
The compound 1-(2-piperidinoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
Claim 16
Dependent Claim
3 words
The compound 1-(2-piperidinoethyl)-1-thio-1,2,3,4-tetrahydrophosphinoline.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |