← Back to Patent Explorer
EP0059983A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Substituted biphenyl compounds for use as a medicament

Assignee: Wellcome Foundation Ltd
•
Filing: 1982-03-10
•
Granted: —
•
Expires: 2002-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 2-(4-Substitutedphenyl)-2-benzoic acid derivatives, methods for their preparation, pharmaceutical formulations containing the compounds and the use thereof in the reduction or control of blood lipids in animals, including man, are disclosed. The preferred compound is 2-(4-trifluoromethylphenyl)-benzoic acid, which may be administered to man in a dose of about 4 mg/kg bodyweight per day.

Inventors

  • 👤 Lawrence Nathaniel Bell
  • 👤 Michael Thomas Burke
  • 👤 Gordon Lewis Hodgson, Jr.
  • 👤 Thomas Kevin Shumaker

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-25 21:58
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/10; A61K31/01; A61K31/015; A61P; A61P3/00; A61P3/06; C07C; C07C43/00; C07C43/30; C07C43/307; C07C45/00; C07C45/004; C07C63/00; C07C63/33; C07C63/331; C07C63/337; C07C63/34; C07C63/36; C07C63/68; C07C63/72; C07C65/00; C07C65/21; C07C65/24; C07F; C07F15/00; C07F15/0006; C07F15/006

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 58 words
A compound of the formula (I) wherein:-Ar 1 is selected from Ar 2 is selected from and R is selected from C 1-5 alkyl, halogen, perhalo-C 1-4 alkyl, C 1-4 alkoxy, phenyl, C 1-4 acyl, C 1-6 alkoxycarbonyl, amino or hydroxy, and pharmaceutically acceptable salts thereof for use in the treatment of a mammal, including man, by therapy.
Claim 2
Dependent Claim 58 words
A compound of the formula (I) wherein:-Ar 1 is selected from Ar 2 is selected from and R is selected from C 1-5 alkyl, halogen, perhalo-C 1-4 alkyl, C 1-4 alkoxy, phenyl, C 1-4 acyl, C 1-6 alkoxycarbonyl, amino or hydroxy, and pharmaceutically acceptable salts thereof for use in the treatment of a mammal, including man, by therapy.
Claim 3
Dependent Claim 30 words
A compound of formula (I) as claimed in claim 1 for use in the therapy of a condition in which the underlying atielogy is associated with elevated blood lipid levels.
Claim 4
Dependent Claim 28 words
A compound of formula (I) as claimed in claim 1 or claim 2 which has the formula (IA) or (IB) wherein R is as defined in claim 1.
Claim 5
Dependent Claim 30 words
A compound of formula (I) as claimed in anyone of claims 1 to 3 wherein R is selected from C l-5 alkyl, halogen, C l-4 , alkoxy, phenyl or trihalomethyl.
Claim 6
Dependent Claim 20 words
A compound of formula (I) as claimed in claim 1 wherein R is selected from C 2-5 alkyl or trihalomethyl.
Claim 7
Dependent Claim 23 words
A compound of formula (I) as claimed in anyone of claims 1 to 5 wherein the compound of formula (I) is 2-(4-trifluoromethylphenyl)-benzoic acid.
Claim 8
Dependent Claim 31 words
A pharmaceutical formulation comprising a compound of formula (I) as defined in anyone of claims 1 to 6 or a pharmaceutically acceptable salt thereof together with a pharmaceutically acceptable carrier therefor.
Claim 9
Dependent Claim 35 words
A compound of the formula (II) in which Ar 7 is selected from Ar 8 is selected from and R 1 is C 2-5 alkyl, perfluoro C 1-4 alkyl, phenyl; and pharmaceutically acceptable salts thereof.
Claim 10
Dependent Claim 35 words
A compound of the formula (II) in which Ar 7 is selected from Ar 8 is selected from and R 1 is C 2-5 alkyl, perfluoro C 1-4 alkyl, phenyl; and pharmaceutically acceptable salts thereof.
Claim 11
Dependent Claim 27 words
A compound of formula (II) as claimed in claim 8, which compound has the formula (IIA) or (IIB) wherein R 1 is as defined in claim 8.
Claim 12
Dependent Claim 18 words
2-(4-Trifluoromethylphenyl)-benzoic acid; 2-(4-Ethylphenyl)-benzoic acid; 2-(4-isoPropylphenyl)-benzoic acid; 2-(4-n-Butylphenyl)-benzoic acid; 2-(4-t-Butylphenyl)-benzoic acid; 2-(4-Biphenyl)-benzoic acid; 1-(4-Trifluoromethylphenyl)-2-naphthoic acid; 1-(4-Ethylphenyl)-2-naphthoic acid; 2-(2-Naphthyl)-benzoic acid.
Claim 13
Dependent Claim 18 words
2-(4-Trifluoromethylphenyl)-benzoic acid; 2-(4-Ethylphenyl)-benzoic acid; 2-(4-isoPropylphenyl)-benzoic acid; 2-(4-n-Butylphenyl)-benzoic acid; 2-(4-t-Butylphenyl)-benzoic acid; 2-(4-Biphenyl)-benzoic acid; 1-(4-Trifluoromethylphenyl)-2-naphthoic acid; 1-(4-Ethylphenyl)-2-naphthoic acid; 2-(2-Naphthyl)-benzoic acid.
Claim 14
Dependent Claim 146 words
A method for the preparation of a compound of formula (I) as defined in claim 1 which method comporises:- a) conversion, to a compound of formula (I), of a compound of formula (III) wherein Ar is as defined in claim 1; Ar 3 is and Z is a protected carboxylic acid group or a carboxylic acid group precursor; b) reduction of a compound of formula (IIII) wherein Ar 2 is as defined in claim 1; Ar 4 is Y is and R is as defined in claim 1; c) Selective oxidation of a compound of formula (IX) wherein Ar 1 is as defined in claim 1; and R is C 1-4 alkyl or hydrogen; or d) Reaction of a compound of formula (XI) in which Ar 1 is as defined above and Ar 9 is A is -Mg X were X is halogen with carbon dioxide.
Claim 15
Dependent Claim 29 words
12) A method as claimed in claim 11 where the compound of formula (I) is a compound of formula (II) as defined in anyone of claims 8 to 10.

References Cited (Backward Citations)

GB669756A Cited
US2888485A Cited
US3966978A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag