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US4472408A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted trifluoromethylphenyltetrahydropyridines having an anorectic activity

Assignee: Elf Sanofi SA
•
Filing: 1982-03-03
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Granted: 1984-09-18
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Expires: 2002-03-03
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Abstract

Abstract The invention relates to 4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridines of formula ##STR1## in which R represents a cyano, acetyl or cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene of from 1 to 4 carbon atoms, as well as to the salts thereof, having an anorectic activity, to a process for preparing same and to pharmaceutical compositions containing said compounds, useful in the treatment of obesity.

Inventors

  • 👤 Dino Nisato
  • 👤 Emilio Crisafulli
  • 👤 Alberto Bianchetti
  • 👤 Paolo Carminati

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 23:55
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/70; A; A61; A61P; A61P3/00; A61P3/04

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 52 words
A compound selected from the group consisting of substituted trifluoromethylphenyl-1,2,3,6-tetrahydropyridines of formula ##STR7## wherein R is, acetyl or a cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene group of from 1 to 4 carbon atoms; or a pharmaceutically acceptable acid addition salt thereof.
Claim 2
Dependent Claim 52 words
A compound selected from the group consisting of substituted trifluoromethylphenyl-1,2,3,6-tetrahydropyridines of formula ##STR7## wherein R is, acetyl or a cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene group of from 1 to 4 carbon atoms; or a pharmaceutically acceptable acid addition salt thereof.
Claim 3
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(3-oxobutyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 4
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(3-oxobutyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 5
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(2-cyclohexylethyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 6
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(2-cyclohexylethyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 7
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(3-cyclohexylpropyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 8
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-(3-cyclohexylpropyl)-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 9
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-acetonyl-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 10
Dependent Claim 9 words
4-(3-trifluoromethylphenyl)-1-acetonyl-1,2,3,6-tetrahydropyridine, or a pharmaceutically acceptable acid addition salt thereof.
Claim 11
Dependent Claim 75 words
A pharmaceutical composition in dosage unit form with anorectic activity comprising from 1 to 500 mg of an active ingredient selected from the group consisting of trifluoromethylphenyl-1,2,3,6-tetrahydropyridines of formula ##STR8## wherein R is, acetyl or a cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene group having from 1 to 4 carbon atoms; or a pharmaceutically acceptable acid addition salt thereof; in admixture with a pharmaceutical carrier.
Claim 12
Dependent Claim 75 words
A pharmaceutical composition in dosage unit form with anorectic activity comprising from 1 to 500 mg of an active ingredient selected from the group consisting of trifluoromethylphenyl-1,2,3,6-tetrahydropyridines of formula ##STR8## wherein R is, acetyl or a cycloalkyl group of from 3 to 7 carbon atoms and Alk represents a straight or branched alkylene group having from 1 to 4 carbon atoms; or a pharmaceutically acceptable acid addition salt thereof; in admixture with a pharmaceutical carrier.
Claim 13
Dependent Claim 17 words
A pharmaceutical composition as claimed in claim 6 in which the active ingredient is the 4-(3-trifluoromethylphenyl)-1-(2-cyclohexylethyl)-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 14
Dependent Claim 17 words
A pharmaceutical composition as claimed in claim 6 in which the active ingredient is the 4-(3-trifluoromethylphenyl)-1-(3-cyclohexylpropyl)-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 15
Independent Claim 62 words
A method for suppressing appetite comprising the step of administering therapeutically-effective doses of a pharmaceutically-active compound possessing anorectic activity and having the formula ##STR9## wherein R is acetyl, or a cycloalkyl group of from 3 to 7 carbon atoms, and Alk is a straight or branched alkylene group of from 1 to 4 carbon atoms, or a pharmaceutically-acceptable acid addition salt thereof.
Claim 16
Independent Claim 62 words
A method for suppressing appetite comprising the step of administering therapeutically-effective doses of a pharmaceutically-active compound possessing anorectic activity and having the formula ##STR9## wherein R is acetyl, or a cycloalkyl group of from 3 to 7 carbon atoms, and Alk is a straight or branched alkylene group of from 1 to 4 carbon atoms, or a pharmaceutically-acceptable acid addition salt thereof.
Claim 17
Dependent Claim 12 words
The method of claim 9 wherein the pharmaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(3-oxobutyl)-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 18
Dependent Claim 12 words
The method of claim 9 wherein the pharmaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(2-cyclohexylethyl)-1,2,3,6-tetrahyropyridine hydrochloride.
Claim 19
Dependent Claim 12 words
The method of claim 9 wherein the pharamaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(3-cyclohexylpropyl)-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 20
Dependent Claim 12 words
The method of claim 9 wherein the pharamaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-acetonyl-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 21
Independent Claim 52 words
A method for suppressing appetite comprising the step of administering therapeutically-effective doses of a pharmaceutically active compound possessing anorectic activity and having the formula ##STR10## wherein R is cyano and Alk is a straight or branched alkylene group of from 1 to 4 carbon atoms, or a pharmaceutically-acceptable acid addition salt thereof.
Claim 22
Independent Claim 52 words
A method for suppressing appetite comprising the step of administering therapeutically-effective doses of a pharmaceutically active compound possessing anorectic activity and having the formula ##STR10## wherein R is cyano and Alk is a straight or branched alkylene group of from 1 to 4 carbon atoms, or a pharmaceutically-acceptable acid addition salt thereof.
Claim 23
Dependent Claim 12 words
The method of claim 14 wherein the pharamaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(2-cyanoethyl)-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 24
Dependent Claim 12 words
The method of claim 14 wherein the pharamaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(2-cyano-1-methyl)ethyl-1,2,3,6-tetrahydropyridine hydrochloride.
Claim 25
Dependent Claim 12 words
The method for claim 14 wherein the pharmaceutically-active compound is 4-(3-trifluoromethylphenyl)-1-(3-cyanopropyl)-1,2,3,6-tetrahydropyridine hydrochloride.

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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) 1987-09-18 1988-03-19 1988-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-09-18 1992-03-19 1992-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-09-18 1996-03-19 1996-09-18 $7700.00 Window Closed / Lapsed

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