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US4151302A Expired / Lapsed US ⏱️ 0.0 years remaining

Araliphatic dihalogen compounds composition and method of use

Assignee: Merck Patent GmbH
•
Filing: 1977-08-19
•
Granted: 1979-04-24
•
Expires: 1997-08-19
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Abstract

Abstract Compounds of the formula ##STR1## wherein R 1 and R 2 are the same or different and are F, Cl or Br; Q is --CH(CH 3 )--CH 2 --, --C(OH)(CH 3 )--CH 2 -- or --C(CH 3 )═CH--; Y is COOH, COOR 3 , CH 2 OH or CH 2 OAc; N is 0 or 1; R 3 is alkyl or aryl of up to 8 carbon atoms or C 6 H 4 NHCOCH 3 ; and Ac is acyl of 1-8 carbon atoms; And physiologically acceptable salts thereof, are anti-inflammatory agents, which can be made from compounds of the formula Z--X, wherein Z is ##STR2## X can be converted to --Q--Y.

Inventors

  • 👤 Joachim Gante
  • 👤 Hans-Adolf Kurmeier
  • 👤 Dieter Orth
  • 👤 Erich Schacht
  • 👤 Albrecht Wild

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:29
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/257; C07C43/295; C07C57/00; C07C57/52; C07C57/58; C07C57/60; C07C59/00; C07C59/40; C07C59/42; C07C59/56; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07F; C07F1/00; C07F1/005; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4056

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 47 words
An araliphatic dihalogen comound of the formula ##STR9## wherein R 1 and R 2 are F, Cl or Br; Q is --CH(CH 3 )--CH 2 --, -- C(OH)(CH 3 )--CH 2 -- or --C(CH 3 )═CH--; and n is 0 or 1, and physiologically acceptable salts thereof.
Claim 2
Dependent Claim 47 words
An araliphatic dihalogen comound of the formula ##STR9## wherein R 1 and R 2 are F, Cl or Br; Q is --CH(CH 3 )--CH 2 --, -- C(OH)(CH 3 )--CH 2 -- or --C(CH 3 )═CH--; and n is 0 or 1, and physiologically acceptable salts thereof.
Claim 3
Dependent Claim 9 words
A compound of claim 1, wherein n is 0.
Claim 4
Dependent Claim 9 words
A compound of claim 1, wherein n is 1.
Claim 5
Dependent Claim 13 words
A compound of claim 1, wherein R 1 and R 2 are F.
Claim 6
Dependent Claim 13 words
A compound of claim 1, wherein Q is --CH(CH 3 )--CH 2 --.
Claim 7
Dependent Claim 9 words
A compound of claim 5 wherein n is 0.
Claim 8
Dependent Claim 9 words
A compound of claim 5 wherein n is 1.
Claim 9
Dependent Claim 14 words
A compound of claim 1, wherein Q is -- C(OH)(CH 3 )--CH 2 --.
Claim 10
Dependent Claim 9 words
A compound of claim 8 wherein n is 0.
Claim 11
Dependent Claim 9 words
A compound of claim 8 wherein n is 1.
Claim 12
Dependent Claim 11 words
A compound of claim 1, wherein Q is --C(CH 3 )═CH--.
Claim 13
Dependent Claim 9 words
A compound of claim 11 wherein n is 0.
Claim 14
Dependent Claim 9 words
A compound of claim 11 wherein n is 1.
Claim 15
Dependent Claim 9 words
A compound of claim 1, wherein Z is 2',4'-difluoro-4-biphenylyl.
Claim 16
Dependent Claim 7 words
3-(2',4'-Difluoro-4-biphenylyl)butyric acid, a compound of claim 1.
Claim 17
Dependent Claim 7 words
3-(2',4'-Difluoro-4-biphenylyl)-3-hydroxybutyric acid, a compound of claim 1.
Claim 18
Dependent Claim 7 words
3-(2',4'-Difluoro-4-biphenylyl)-2-butenoic acid, a compound of claim 1.
Claim 19
Dependent Claim 7 words
3-(2',4'-Dichloro-4-biphenylyl)butyric acid, a compound of claim 1.
Claim 20
Dependent Claim 7 words
3-(2',4'-Dichloro-4-biphenylyl)-3-hydroxybutyric acid, a compound of claim 1.
Claim 21
Dependent Claim 7 words
3-(2',4'-Dichloro-4-biphenylyl)-2-butenoic acid, a compound of claim 1.
Claim 22
Dependent Claim 7 words
3-(2',4'-Dibromo-4-biphenylyl)butyric acid, a compound of claim 1.
Claim 23
Dependent Claim 7 words
3-(2',4'-Dibromo-4-biphenylyl)-3-hydroxybutyric acid, a compound of claim 1.
Claim 24
Dependent Claim 7 words
3-(2',4'-Dibromo-4-biphenylyl)-2-butenoic acid, a compound of claim 1.
Claim 25
Dependent Claim 7 words
3-(p-2,4-dichlorophenoxyphenyl)-3-hydroxybutyric acid, a compound of claim 1.
Claim 26
Dependent Claim 24 words
An anti-inflammatory pharmaceutical composition comprising an anti-inflammatorily effective amount per unit dosage of a compound of claim 1, in admixture with a pharmaceutically-acceptable carrier.
Claim 27
Dependent Claim 13 words
The composition of claim 25, wherein the compound is 3-(2',4'-difluoro-4-biphenylyl)-3-hydroxybutyric acid sodium salt.
Claim 28
Dependent Claim 11 words
The composition of claim 25, wherein the compound is 3-(p-2,4-dichlorophenoxyphenyl)-2-butenoic acid.
Claim 29
Dependent Claim 31 words
A method of relieving inflammation in a patient afflicted therewith comprising administering to the patient an anti-inflammatorily effective amount of a compound of claim 1, in admixture with a pharmaceutically-acceptable carrier.
Claim 30
Dependent Claim 11 words
The method of claim 28, wherein the compound is administered orally.
Claim 31
Dependent Claim 19 words
The method of claim 28, wherein the effective amount is a daily dose of 0.2-20 mg./kg. of body weight.

References Cited (Backward Citations)

US3385886A Cited
US3655743A Cited
US3981905A Cited
US4021479A Cited
US3859338A Cited
US3954442A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-04-23 1982-10-23 1983-04-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-04-23 1986-10-23 1987-04-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-04-23 1990-10-23 1991-04-24 $7700.00 Window Closed / Lapsed

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