US4086416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Septacidin analogs
Assignee: SRI International Inc
•
Filing: 1977-05-17
•
Granted: 1978-04-25
•
Expires: 1997-05-17
Abstract
Abstract Septacidin analogs, useful as antitumor agents, having the structure ##STR1## where R is a branched or straight chain alkanoyl group of from 12 to 16 carbon atoms. A preferred compound is 6-[4,6-dideoxy-4-(isopalmitoylglycyl)-amino-β-L-glucopyranosylamino]-9H-purine.
Inventors
- 👤 Edward M. Acton
- 👤 Kenneth J. Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:03
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/08; A; A61; A61P; A61P35/00; C07H17/00; C07H17/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
19 words
A compound having the structure ##STR6## where R is an alkanoyl radical of from 12 to 16 carbon atoms.
Claim 2
Dependent Claim
19 words
A compound having the structure ##STR6## where R is an alkanoyl radical of from 12 to 16 carbon atoms.
Claim 3
Dependent Claim
8 words
The compound of claim 1 which is 6-[4,6-dideoxy-4-(isopalmitoylglycyl)amino-β-L-glucopyranosylamino]-9H-purine.
Claim 4
Dependent Claim
8 words
The compound of claim 1 which is 6-[4,6-dideoxy-4-(lauroylglycyl)amino-β-L-glucopyranosylamino]-9H-purine.
References Cited (Backward Citations)
US3155647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |