US3975403A
Expired / Lapsed
US
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Sulfur-containing ring compounds
Assignee: Merck Patent GmbH
•
Filing: 1973-09-10
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Granted: 1976-08-17
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Expires: 1993-09-10
Abstract
Abstract Compounds of the formula ##SPC1## Wherein R 1 is COOH, COO-alkyl, CH 2 OH or CH 2 -alkanoyl; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; and Y is CH 2 , O or S, at least one Y being S, and the physiologically acceptable salts thereof, possesses antiphlogistic activity.
Inventors
- 👤 Joachim Gante
- 👤 Werner Mehrhof
- 👤 Albrecht Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:59
CPC Classifications
C; C07; C07D; C07D327/00; C07D327/02; C07D327/06; C07D327/08; C07D339/00; C07D339/08
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
62 words
A compound of the formula ##SPC4## wherein R 1 is COOH, COOR 4 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 4 is alkyl of 1-8 carbon atoms; and Y is CH 2 , O or S, at least one Y being S; and the physiologically acceptable salts thereof.
Claim 2
Dependent Claim
62 words
A compound of the formula ##SPC4## wherein R 1 is COOH, COOR 4 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 4 is alkyl of 1-8 carbon atoms; and Y is CH 2 , O or S, at least one Y being S; and the physiologically acceptable salts thereof.
Claim 3
Dependent Claim
52 words
A compound of the formula ##SPC5## wherein R 1 is CH 2 OH or CH 2 OR 5 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 5 is alkanoyl of 2-4 carbon atoms; and the physiologically acceptable salts thereof.
Claim 4
Dependent Claim
52 words
A compound of the formula ##SPC5## wherein R 1 is CH 2 OH or CH 2 OR 5 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 5 is alkanoyl of 2-4 carbon atoms; and the physiologically acceptable salts thereof.
Claim 5
Dependent Claim
52 words
A compound of the formula ##SPC6## wherein R 1 is CH 2 OH or CH 2 OR 5 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 5 is alkanoyl of 2-4 carbon atoms; and the physiologically acceptable salts thereof.
Claim 6
Dependent Claim
52 words
A compound of the formula ##SPC6## wherein R 1 is CH 2 OH or CH 2 OR 5 ; R 2 is CH 3 or C 2 H 5 ; R 3 is H, F, Cl or Br; R 5 is alkanoyl of 2-4 carbon atoms; and the physiologically acceptable salts thereof.
Claim 7
Dependent Claim
10 words
A compound of claim 1 wherein R 1 is COOH.
Claim 8
Dependent Claim
12 words
A compound of claim 1 wherein R 1 is COOR 4 .
Claim 9
Dependent Claim
12 words
A compound of claim 1 wherein R 2 is CH 3 .
Claim 10
Dependent Claim
10 words
A compound of claim 1 wherein both Y are S.
Claim 11
Dependent Claim
16 words
A compound of claim 1 wherein one Y is CH 2 and the other is S.
Claim 12
Dependent Claim
15 words
A compound of claim 1 wherein one Y is O and the other is S.
Claim 13
Dependent Claim
7 words
The compound of claim 1, 2-(2-thianthrenyl)-propionic acid.
Claim 14
Dependent Claim
10 words
The compound of claim 1, methyl ester of 2-(2-thianthrenyl)-propionic acid.
Claim 15
Dependent Claim
10 words
The compound of claim 1, ethyl ester of 2-(2-thianthrenyl)-propionic acid.
Claim 16
Dependent Claim
10 words
The compound of claim 1, n-butyl ester of 2-(2-thianthrenyl)-propionic acid.
Claim 17
Dependent Claim
7 words
The compound of claim 1, 2-(2-thianthrenyl)-butyric acid.
Claim 18
Dependent Claim
6 words
The compound of claim 2, 2-(2-thianthrenyl)-propanol.
Claim 19
Dependent Claim
7 words
The compound of claim 2, 2-(2-thianthrenyl)-propyl acetate.
Claim 20
Dependent Claim
7 words
The compound of claim 1, 2-(2-thioxanthenyl)-propionic acid.
Claim 21
Dependent Claim
9 words
The compound of claim 1, 2-(2-thioxanthenyl)-propionic acid ethyl ester.
Claim 22
Dependent Claim
7 words
The compound of claim 1, 2(7-chloro-2-thioxanthenyl)-propionic acid.
Claim 23
Dependent Claim
6 words
The compound of claim 3, 2-(2-thioxanthenyl)-propanol.
Claim 24
Dependent Claim
7 words
The compound of claim 3, 2-(2-thioxanthenyl)-propyl acetate.
Claim 25
Dependent Claim
7 words
The compound of claim 1, 2-(2-phenoxathiinyl)-propionic acid.
Claim 26
Dependent Claim
9 words
The compound of claim 1, 2-(2-phenoxathiinyl)-propionic acid ethyl ester.
Claim 27
Dependent Claim
7 words
The compound of claim 1, 2-(8-bromo-2-phenoxathiinyl)-propionic acid.
Claim 28
Dependent Claim
14 words
A compound of claim 1 wherein R 1 is CH 2 OR 5 .
References Cited (Backward Citations)
US3639612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |