Indoles are cannabinoid receptor ligands

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Quick Facts

Patent No.: US 7,750,039
App. No.: 12/370,727
Granted: Jul 6, 2010
Kind: B2

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Abstract

The present invention provides novel compounds of Formula (I) which are CB 2 selective ligands useful for the treatment of pain.

Claims (50)

1. A method of treating pain in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Formula (I) is

wherein

R 1 is selected from the group consisting of alkoxyalkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylthioalkyl, arylalkyl, arylalkylcarbonyl, azidoalkyl, cycloalkylalkyl, cycloalkylalkylcarbonyl, haloalkyl, heteroarylalkyl, heteroarylalkylcarbonyl, heterocyclealkyl, heterocyclealkylcarbonyl, hydroxyalkyl, mercaptoalkyl, (NR A R B )carbonylalkyl, (NR A R B )sulfonylalkyl, (NR C R D )alkyl -LOR 2 , -LSR 2 , -LS(O)R 2 , and -LS(O) 2 R 2 ;

L is alkylene;

R 2 is selected from the group consisting of alkyl, alkylcarbonyl, aryl, arylalkyl, carboxyalkenylcarbonyl, carboxyalkyl, carboxyalkylcarbonyl, cycloalkyl, cycloalkylalkyl, haloalkyl, heteroaryl, heteroarylalkyl, heterocycle, heterocyclealkyl, (NR A R B )carbonylalkenylcarbonyl, (NR A R B )carbonylalkyl, and (NR A R B )carbonylalkylcarbonyl;

R 3 is selected from the group consisting of hydrogen, alkoxyalkyl, alkyl, and haloalkyl;

R 1 is selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, cycloheptyl, and cyclooctyl, wherein the cyclopropyl, cyclobutyl, and cyclopentyl are substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H )carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl, wherein the cycloheptyl and cyclooctyl are optionally substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H )carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl;

R 5 , R 6 , R 7 , R 8 are independently selected from the group consisting of hydrogen, alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkoxy, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylsulfinyl, alkylsulfinylalkyl, alkylsulfonyl, alkylsulfonylalkyl, alkylsulfonyloxy, alkylthio, alkylthioalkyl, alkynyl, aryl, arylalkoxy, arylalkyl, arylalkylthio, arylcarbonyl, aryloxy, aryloxyalkyl, arylthio, arylthioalkyl, carbonyl, carboxyalkenyl, carboxyalkenylcarbonyl, carboxyalkenylcarbonyloxy, carboxy, carboxyalkyl, carboxyalkylcarbonyl, carbosyalkylcarbonyloxy, cyano, cyanoalkyl, cycloalkyl, cycloalkylalkoxy, cycloalkylalkyl, cycloalkylcarbonyl, cycloalkyloxy, cycloalkyloxyalkyl, haloalkoxy, haloalkyl, halogen, heteroaryl, heteroarylalkoxy, heteroarylalkyl, heteroaryloxy, heteroaryloxyalkyl, heterocycle, heterocyclealkoxy, heterocyclealkoxycarbonyl, heterocyclealkyl, heterocycleoxy, heterocycleoxyalkyl, hydroxyl, hydroxyalkoxy, hydroxyalkyl, mercapto, mercaptoalkyl, nitro, —NR J R K , (NR J R K )alkoxy, (NR J R K )alkyl, (NR M R N )carbonyl, (NR M R N )carbonylalkyl, (NR M R N )sulfonyl, and (NR M R N )sulfonylalkyl;

R A , R B , R G , R H , R M , and R N are independently selected from the group consisting of hydrogen, alkenyl, alkoxyalkyl, alkoxycarbonylalkyl, alkyl, alkynyl, aryl, arylalkyl, cycloalkyl, cycloalkylalkyl, heteroaryl, heteroarylakyl, heterocycle, heterocyclealkyl, and hydroxyalkyl; and

R C , R D , R E , R F , R J , R K , are independently selected from the group consisting of hydrogen, alkenyl, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkyl, alkylcarbonyl, alkylsulfonyl, alkynyl, aryl, arylalkyl, arylsulfonyl, arylalkylsulfonyl, cycloalkyl, cycloalkylalkyl, cycloalkylsulfonyl, cycloalkylalkylsulfonyl, heteroaryl, heteroarylalkyl, heteroarylsulfonyl, heteroarylalkylsulfonyl, heterocycle, heterocyclealkyl, heterocyclesulfonyl, and heterocyclealkylsulfonyl.

2. A method of treating nociceptive pain in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Formula (I) is

wherein

L is alkylene;

R 3 is selected from the group consisting of hydrogen, alkoxyalkyl, alkyl, and haloalkyl;

R 4 selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, cycloheptyl, and cyclooctyl, wherein the cyclopropyl, cyclobutyl, and cyclopentyl are substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H )carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl, wherein the cycloheptyl and cyclooctyl are optionally substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H )carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl;

R 5 , R 6 , R 7 , and R 8 are independently selected from the group consisting of hydrogen, alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkoxy, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylsulfinyl, alkylsulfinylalkyl, alkylsulfonyl, alkylsulfonylalkyl, alkylsulfonyloxy, alkylthio, alkylthioalkyl, alkynyl, aryl, arylalkoxy, arylalkyl, arylalkylthio, arylcarbonyl, aryloxy, aryloxyalkyl, arylthio, arylthioalkyl, carbonyl, carboxyalkenyl, carboxyalkenylcarbonyl, carboxyalkenylcarbonyloxy, carboxy, carboxyalkyl, carboxyalkylcarbonyl, carbosyalkylcarbonyloxy, cyano, cyanoalkyl, cycloalkyl, cycloalkylalkoxy, cycloalkylalkyl, cycloalkylcarbonyl, cycloalkyloxy, cycloalkyloxyalkyl, haloalkoxy, haloalkyl, halogen, heteroaryl, heteroarylalkoxy, heteroarylalkyl, heteroaryloxy, heteroaryloxyalkyl, heterocycle, heterocyclealkoxy, heterocyclealkoxycarbonyl, heterocyclealkyl, heterocycleoxy, heterocycleoxyalkyl, hydroxyl, hydroxyalkoxy, hydroxyalkyl, mercapto, mercaptoalkyl, nitro, —NR J R K , (NR J R K )alkoxy, (NR J R K )alkyl, (NR M R N )carbonyl, (NR M R N )carbonylalkyl, (NR M R N )sulfonyl, and (NR M R N )sulfonylalkyl;

3. A method of treating neuropathic pain in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Formula (I) is

wherein

L is alkylene;

R 3 is selected from the group consisting of hydrogen, alkoxyalkyl, alkyl, and haloalkyl;

R 4 is selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, cycloheptyl, and cyclooctyl, wherein the cyclopropyl, cyclobutyl, and cyclopentyl are substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H )carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl, wherein the cycloheptyl and cyclooctyl are optionally substituted with 1, 2, 3, 4, 5, or 6 substituents selected from the group consisting of alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylthio, alkylthioalkyl, alkynyl, carboxy, carboxyalkyl, cyano, cyanoalkyl, haloalkoxy, haloalkyl, halogen, hydroxyl, hydroxyalkyl, mercapto, mercaptoalkyl, oxo, —NR E R F , (NR E R F )alkyl, (NR G R H )carbonyl, (NR G R H ) carbonylalkyl, (NR G R H )sulfonyl, and (NR G R H )sulfonylalkyl;

R 5 , R 6 , R 7 , and R 8 and are independently selected from the group consisting of hydrogen, alkenyl, alkoxy, alkoxyalkyl, alkoxycarbonyl, alkoxycarbonylalkoxy, alkoxycarbonylalkyl, alkoxysulfonyl, alkyl, alkylcarbonyl, alkylcarbonylalkyl, alkylcarbonyloxy, alkylsulfinyl, alkylsulfinylalkyl, alkylsulfonyl, alkylsulfonylalkyl, alkylsulfonyloxy, alkylthio, alkylthioalkyl, alkynyl, aryl, arylalkoxy, arylalkyl, arylalkylthio, arylcarbonyl, aryloxy, aryloxyalkyl, arylthio, arylthioalkyl, carbonyl, carboxyalkenyl, carboxyalkenylcarbonyl, carboxyalkenylcarbonyloxy, carboxy, carboxyalkyl, carboxyalkylcarbonyl, carbosyalkylcarbonyloxy, cyano, cyanoalkyl, cycloalkyl, cycloalkylalkoxy, cycloalkylalkyl, cycloalkylcarbonyl, cycloalkyloxy, cycloalkyloxyalkyl, haloalkoxy, haloalkyl, halogen, heteroaryl, heteroarylalkoxy, heteroarylalkyl, heteroaryloxy, heteroaryloxyalkyl, heterocycle, heterocyclealkoxy, heterocyclealkoxycarbonyl, heterocyclealkyl, heterocycleoxy, heterocycleoxyalkyl, hydroxyl, hydroxyalkoxy, hydroxyalkyl, mercapto, mercaptoalkyl, nitro, —NR J R K , (NR J R K )alkoxy, (NR J R K )alkyl, (NR M R N )carbonyl, (NR M R N )carbonylalkyl, (NR M R N )sulfonyl, and (NR M R N )sulfonylalkyl;

4. A method of treating inflammation in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Formula (I) is

wherein

L is alkylene;

R 3 is selected from the group consisting of hydrogen, alkoxyalkyl, alkyl, and haloalkyl;

5. A method of providing neuroprotection in a mammal in need of such treatment comprising administering to the mammal a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Formula (I) is

wherein

L is alkylene;

R 3 is selected from the group consisting of hydrogen, alkoxyalkyl, alkyl, and haloalkyl;

Assignments (1)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 10, 2013

From: ABBOTT LABORATORIES

To: ABBVIE INC.

Reel/Frame 030185/0141 →