US4075215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thieno-pyridine derivatives
Assignee: Sanofi SA
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Filing: 1976-08-18
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Granted: 1978-02-21
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Expires: 1996-08-18
Abstract
Abstract Pyridinium derivatives having the formula: ##STR1## in which X is O or S; R is benzoyl optionally substituted with at least halogen or lower alkyl, lower alkoxy, hydroxy or nitro; R 1 is hydrogen, halogen, hydroxy or lower alkyl, R 2 is hydrogen or halogen and n is from 1 to 2, and in which R 1 may be different in each CHR 1 when n is 2. Said derivatives are therapeutically useful for their anti-arrhythmic activity.
Inventors
- 👤 Albert Rene Joseph Castaigne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:57
CPC Classifications
C; C07; C07D; C07D491/00; C07D491/02; C07D491/04; C07D491/044; C07D491/048; C07D495/00; C07D495/02; C07D495/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
27 words
A compound selected from the group consisting of 5-phenacyl-thieno[3,2-c]pyridinium bromide, 5-(o-methoxy-phenacyl)-thieno[3,2-c]pyridinium bromide, 2-chloro-5-phenacyl-thieno[3,2-c]pyridinium bromide, N-parachlorophenacyl-thieno[3,2-c]pyridinium bromide, 5-(3,4-dihydroxyphenacyl)-thieno[3,2-c]pyridinium chloride, 5-para-fluorophenacyl-thieno[3,2-c]pyridinium chloride, N-(para-hydroxyphenacyl)-thieno[3,2-c]pyridinium chloride, N-(para-methoxyphenacyl)-thieno[3,2-c]pyridinium bromide and N-(meta-methoxyphenacyl)-thieno[3,2-c]pyridinium bromide.
Claim 2
Dependent Claim
27 words
A compound selected from the group consisting of 5-phenacyl-thieno[3,2-c]pyridinium bromide, 5-(o-methoxy-phenacyl)-thieno[3,2-c]pyridinium bromide, 2-chloro-5-phenacyl-thieno[3,2-c]pyridinium bromide, N-parachlorophenacyl-thieno[3,2-c]pyridinium bromide, 5-(3,4-dihydroxyphenacyl)-thieno[3,2-c]pyridinium chloride, 5-para-fluorophenacyl-thieno[3,2-c]pyridinium chloride, N-(para-hydroxyphenacyl)-thieno[3,2-c]pyridinium chloride, N-(para-methoxyphenacyl)-thieno[3,2-c]pyridinium bromide and N-(meta-methoxyphenacyl)-thieno[3,2-c]pyridinium bromide.
Claim 3
Dependent Claim
2 words
5-phenacyl-thieno[3,2-c]pyridinium bromide.
Claim 4
Dependent Claim
2 words
5-phenacyl-thieno[3,2-c]pyridinium bromide.
Claim 5
Dependent Claim
2 words
5-(o-methoxy-phenacyl)-thieno[3,2-c]pyridinium bromide.
Claim 6
Dependent Claim
2 words
5-(o-methoxy-phenacyl)-thieno[3,2-c]pyridinium bromide.
Claim 7
Dependent Claim
2 words
2-chloro-5-phenacyl-thieno[3,2-c]pyridinium bromide.
Claim 8
Dependent Claim
2 words
2-chloro-5-phenacyl-thieno[3,2-c]pyridinium bromide.
Claim 9
Dependent Claim
2 words
N-parachloro-phenacyl-thieno[3,2-c]pyridinium bromide.
Claim 10
Dependent Claim
2 words
N-parachloro-phenacyl-thieno[3,2-c]pyridinium bromide.
References Cited (Backward Citations)
DE2404308A1
Cited
US3969358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-20 | 1981-08-22 | 1982-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-20 | 1985-08-22 | 1986-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-20 | 1989-08-22 | 1990-02-21 | $7700.00 | Window Closed / Lapsed |