Patent US3821249A successfully refreshed from Google Patents.
US3821249A
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Dibenzothiazefin derivatives
Assignee: EN NOM COLLECTIF SCIENCE UNION
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Filing: 1972-10-30
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Granted: 1974-06-28
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Expires: 1992-10-30
Abstract
Abstract Tricyclic compounds of the formula: WHEREIN: A is -(CH2)m-, -CH CH-, -(CH2)p-O-, -(CH2)p-S-, -(CH2)p-SO2-, -(CH2)p-NR1 or -SO2-NR2- in which m is 1, 2 or 3, p is 1 or 2, R1 is hydrogen or lower alkyl and R2 is lower alkyl: X and Y are hydrogen or halogen: R and R'' are hydrogen or lower alkyl, and N IS AN INTEGER OF FROM 1 TO 12 INCLUSIVE. These compounds possess psychostimulant, antidepressive, analgesic, antitussive, antihistaminic and gastric antisecretory properties.
Inventors
- 👤 J Poignant
- 👤 C Malen
- 👤 B Danree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:44
CPC Classifications
C; C07; C07D; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A compound of claim 1 which is dl 7-(8-chloro-10,10-dioxo-11-methyl-dibenzo (c,f) thiazepin-(1,2)-5-yl) aminoheptanoic acid.
Claim 2
Dependent Claim
13 words
A compound of claim 1 which is propyl dl 4-(3-bromo-10,10-dioxo-11-propyldibenzo(c,f) thiazepin (1,1)-5-yl) aminobutyrate.
Claim 3
Dependent Claim
13 words
A compound of claim 1 which is dl 6-(8-chloro-10,10-dioxo-11-methyl-dibenzo(c,f) thiazepin (1,2)-5-yl) aminohexanoic acid.
Claim 4
Dependent Claim
15 words
A compound of claim 1 which is sodium dl 6-(8-chloro-10,10-dioxo-11-methyl-dibenzo (c,f) thiazepin (1,2)-5-yl) aminohexanoate salt.
Claim 5
Dependent Claim
19 words
A compound of claim 1 which is the hydrochloric acid addition salt of dl 6-(2,8-dichloro-10,10-dioxo-11-methyl-dibenzo(c,f) thiazepin (1,2)-5-yl) aminohexanoic acid.
Claim 6
Dependent Claim
15 words
A compound of claim 1 which is sodium dl 11-(8-chloro-10,10-dioxo-11-methyl-dibenzo (c,f) thiazepin (1,2)-5-yl) aminoundecanoate salt.
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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |