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US4006237A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetrahydrocarbostyril derivatives for the prophylaxis of asthma, hayfever and rhinitis

Assignee: Beecham Group PLC
•
Filing: 1975-05-21
•
Granted: 1977-02-01
•
Expires: 1995-05-21
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Abstract

Abstract Pharmaceutical compositions having anti-allergy activity in which the active anti-allergy agents are certain 3-nitro-α-pyridones and their pharmaceutically acceptable salts formulated in one or more pharmaceutically acceptable carriers.

Inventors

  • 👤 Derek Richard Buckle
  • 👤 Barrie Christian Charles Cantello
  • 👤 Harry Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 00:42
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D221/00; C07D221/02; C07D221/04

Claims Analysis

Total Claims: 50
Claim 1
Independent Claim 66 words
A pharmaceutical composition in a form suitable for administration to humans which comprises a compound of the formula ##STR25## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl, and Z is a cyclohexyl ring fused to the pyridone ring in an amount sufficient to be effective for the prophylaxis of of asthma, hayfever or rhinitis in combination with a pharmaceutically acceptable carrier.
Claim 2
Dependent Claim 66 words
A pharmaceutical composition in a form suitable for administration to humans which comprises a compound of the formula ##STR25## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl, and Z is a cyclohexyl ring fused to the pyridone ring in an amount sufficient to be effective for the prophylaxis of of asthma, hayfever or rhinitis in combination with a pharmaceutically acceptable carrier.
Claim 3
Dependent Claim 11 words
A pharmaceutical composition according to claim 1, wherein R is hydrogen.
Claim 4
Dependent Claim 31 words
A pharmaceutical composition according to claim 1 whrein R is hydrogen or lower alkyl and the cyclohexyl ring Z is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms.
Claim 5
Dependent Claim 72 words
A pharmaceutical composition according to claim 1 wherein the compound is of the formula (V): ##STR26## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl and R 1 , r 2 , r 3 and R 4 are each selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy sec-butoxy, tert-butoxy, phenoxy, benzyloxy, benzyl, fluoro, chloro, bromo and iodo.
Claim 6
Dependent Claim 44 words
A composition according to claim 1 wherein R, and R 4 are hydrogen and one or two of R 1 , R 2 and R 3 are hydrogen or alkyl, and the remaining R 1 , R 2 and R 3 groups are hydrogen.
Claim 7
Dependent Claim 11 words
A composition according to claim 5 wherein R 2 is hydrogen.
Claim 8
Dependent Claim 17 words
A pharmaceutical composition according to claim 1 wherein the compound is in the form of a salt.
Claim 9
Dependent Claim 14 words
A pharmaceutical composition according to claim 7 wherein the salt is the sodium salt.
Claim 10
Dependent Claim 16 words
A pharmaceutical composition according to claim 1 in the form of a microfine powder for insufflation.
Claim 11
Dependent Claim 16 words
A pharmaceutical composition according to claim 9 which additionally contains a small amount of a bronchodilator.
Claim 12
Dependent Claim 12 words
A pharmaceutical composition according to claim 10 wherein the bronchodilator is isoprenaline.
Claim 13
Dependent Claim 18 words
A pharmaceutical composition according to claim 1 in which the carrier is a sterile liquid suitable for injection.
Claim 14
Dependent Claim 15 words
A pharmaceutical composition according to claim 1 in which the carrier is a solid carrier.
Claim 15
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 16
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 4-hydroxy-7-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 17
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 5,7-dimethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 18
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 4-hydroxy-6-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 19
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 1-ethyl-4-hydroxy-3-nitro-5,6,7,8tetrahydrocarbostyril.
Claim 20
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 4-hydroxy-3-nitro-1-n-propyl-5,6,7,8-tetrahydrocarbostyril.
Claim 21
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 4-hydroxy-1-isopropyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 22
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 1-ethyl-4-hydroxy-7-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 23
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 7-ethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 24
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 6,7-diethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 25
Dependent Claim 12 words
A pharmaceutical composition according to claim 1 wherein the compound is 6,7-dimethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 26
Independent Claim 109 words
A method for the prophylaxis of asthma, hayfever and rhinitis in humans which comprises administering to a human in need thereof a compound of the formula (II): ##STR27## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl, and Z is a cyclohexyl ring fused to the pyridone ring unsubstituted or substituted by 1 or 2 substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, phenoxy, benzyloxy, phenyl, benzyl, hydroxy, nitro, and halogen, in an amount sufficient to be effective for the prophylaxis of asthma, hayfever or rhinitis in combination with a pharmaceutical carrier.
Claim 27
Independent Claim 109 words
A method for the prophylaxis of asthma, hayfever and rhinitis in humans which comprises administering to a human in need thereof a compound of the formula (II): ##STR27## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl, and Z is a cyclohexyl ring fused to the pyridone ring unsubstituted or substituted by 1 or 2 substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, phenoxy, benzyloxy, phenyl, benzyl, hydroxy, nitro, and halogen, in an amount sufficient to be effective for the prophylaxis of asthma, hayfever or rhinitis in combination with a pharmaceutical carrier.
Claim 28
Dependent Claim 10 words
A method according to claim 25, wherein R is hydrogen.
Claim 29
Dependent Claim 30 words
A method according to claim 25 wherein R is hydrogen or lower alkyl and the cyclohexyl ring Z is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms.
Claim 30
Dependent Claim 71 words
A method according to claim 25 wherein the compound is of the formula (V): ##STR28## or a pharmaceutically acceptable salt thereof, wherein R is hydrogen or lower alkyl and R 1 , r 2 , r 3 and R 4 are each selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, sec-butoxy, tert-butoxy, phenoxy, benzyloxy, benzyl, fluoro, chloro, bromo and iodo.
Claim 31
Dependent Claim 44 words
A method according to claim 25 wherein R, and R 4 are hydrogen and one or two of R 1 , R 2 and R 3 are hydrogen or alkyl, and the remaining R 1 , R 2 and R 3 groups are hydrogen.
Claim 32
Dependent Claim 11 words
A method according to claim 29 wherein R 2 is hydrogen.
Claim 33
Dependent Claim 16 words
A method according to claim 25 wherein the compound is in the form of a salt.
Claim 34
Dependent Claim 13 words
A method according to claim 31 wherein the salt is the sodium salt.
Claim 35
Dependent Claim 22 words
A method according to claim 25 wherein the compound and the carrier are in the form of a microfine powder for insufflation.
Claim 36
Dependent Claim 18 words
A method according to claim 33 wherein the compound is combined with a small amount of a bronchodilator.
Claim 37
Dependent Claim 11 words
A method according to claim 34 wherein the bronchodilator is isoprenaline.
Claim 38
Dependent Claim 18 words
A method according to claim 25 in which the carrier is a sterile liquid carrier suitable for injection.
Claim 39
Dependent Claim 13 words
A method according to claim 25 wherein the carrier is a solid carrier.
Claim 40
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarabostyril.
Claim 41
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 4-hydroxy-7-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 42
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 5,7-dimethyl-4-hydroxy-3-nitro-5,6,7,8-tatrahydrocarbostyril.
Claim 43
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 4-hydroxy-6-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 44
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 1-ethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 45
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 4-hydroxy-3-nitro-1-n-propyl-5,6,7,8-tetrahydrocarbostyril.
Claim 46
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 4-hydroxy-1-isopropyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 47
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 1-ethyl-4-hydroxy-7-methyl-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 48
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 7-ethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 49
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 6,7-diethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.
Claim 50
Dependent Claim 11 words
A method according to claim 25 wherein the compound is 6,7-dimethyl-4-hydroxy-3-nitro-5,6,7,8-tetrahydrocarbostyril.

References Cited (Backward Citations)

FR1369634A Cited
US3864493A Cited
FR2009119A1 Cited
US3885038A Cited
US3883653A Cited
US3879544A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-02-01 1980-08-02 1981-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-02-01 1984-08-02 1985-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-02-01 1988-08-02 1989-02-01 $7700.00 Window Closed / Lapsed

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