Fused Pentacyclic Imidazole Derivatives as Modulators of TNF Activity

Abstract

A compound of formula (I) as defined herein, or a pharmaceutically acceptable salt thereof, being potent modulators of human TNFα activity, are accordingly of benefit in the treatment and/or prevention of various human ailments, including autoimmune and inflammatory disorders; neurological and neurodegenerative disorders; pain and nociceptive disorders; cardiovascular disorders; metabolic disorders; ocular disorders; and oncological disorders.

1 . A compound of formula (I), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein
 X represents N or C—F; 
 R 1  represents hydrogen or methyl; 
 R 2  represents hydrogen, methyl or trifluoromethyl; and 
 R 3  represents hydrogen, cyano, or hydroxymethyl. 
 
       
     
     
         2 . (canceled) 
     
     
         3 . (canceled) 
     
     
         4 . (canceled) 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . (canceled) 
     
     
         8 . A pharmaceutical composition comprising a compound of formula (I) as defined in  claim 1 , or a pharmaceutically acceptable salt thereof, in association with a pharmaceutically acceptable carrier. 
     
     
         9 . (canceled) 
     
     
         10 . (canceled) 
     
     
         11 . (canceled) 
     
     
         12 . A method for the treatment and/or prevention of disorders for which the administration of a modulator of TNFα function is indicated which comprises administering to a patient in need of such treatment an effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein
 X represents N or C—F; 
 R 1  represents hydrogen or methyl; 
 R 2  represents hydrogen, methyl or trifluoromethyl; and 
 R 3  represents hydrogen, cyano, or hydroxymethyl. 
 
       
     
     
         13 . A method for the treatment and/or prevention of an inflammatory or autoimmune disorder, a neurological or neurodegenerative disorder, pain or a nociceptive disorder, a cardiovascular disorder, a metabolic disorder, an ocular disorder, or an oncological disorder, which comprises administering to a patient in need of such treatment an effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein
 X represents N or C—F; 
 R 1  represents hydrogen or methyl; 
 R 2  represents hydrogen, methyl or trifluoromethyl; and 
 R 3  represents hydrogen, cyano, or hydroxymethyl. 
 
       
     
     
         14 . The method as claimed in  claim 12  wherein the compound of formula (I) is represented by formula (IIA), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein X, R 1 , R 2  and R 3  are as defined in  claim 12 . 
       
     
     
         15 . The method as claimed in  claim 12  wherein the compound of formula (I) is represented by formula (IIB), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein X, R 1 , R 2  and R 3  are as defined in  claim 12 . 
       
     
     
         16 . The method as claimed in  claim 12  wherein the compound is selected from the following:
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-6-methyl-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]pyrimidin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]pyrimidin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-6-methyl-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]-3-fluoropyridin-2-yl}-1-methylcyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]-3-fluoropyridin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 (7R,14R)-11-{6-[(1S,2R)-1-amino-2-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[(1R,2S)-1-amino-2-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-[2-(1-aminocyclobutyl)pyrimidin-5-yl]-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11[6-(cis-1-amino-3-hydroxy-3-methylcyclobutyl)-5-fluoropyridin-3-yl]-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-[6-(cis-1-amino-3-hydroxy-3-methylcyclobutyl)-5-fluoropyridin-3-yl]-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-(2-{cis-1-amino-3-[hydroxy(dideutero)methyl]-3-methylcyclobutyl}-pyrimidin-5-yl)-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; and 
 (7R,14R)-11-(6-{cis-1-amino-3-[hydroxy(dideutero)methyl]-3-methylcyclobutyl}-5-fluoropyridin-3-yl)-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b]-[2,5]benzodiazocin-5(14H)-one. 
 
     
     
         17 . The method as claimed in  claim 13  wherein the compound of formula (I) is represented by formula (IIA), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein X, R 1 , R 2  and R 3  are as defined in  claim 13 . 
       
     
     
         18 . The method as claimed in  claim 13  wherein the compound of formula (I) is represented by formula (IIB), or a pharmaceutically acceptable salt thereof: 
       
         
           
           
               
               
           
         
         wherein X, R 1 , R 2  and R 3  are as defined in  claim 13 . 
       
     
     
         19 . The method as claimed in  claim 13  wherein the compound is selected from the following:
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-6-methyl-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]pyrimidin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]pyrimidin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-6-methyl-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]-3-fluoropyridin-2-yl}-1-methylcyclobutanecarbonitrile; 
 cis-3-amino-3-{5-[(7R,14R)-1-(difluoromethoxy)-5-oxo-5,6,7,14-tetrahydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-11-yl]-3-fluoropyridin-2-yl}-1-methyl-cyclobutanecarbonitrile; 
 (7R,14R)-11-{6-[(1S,2R)-1-amino-2-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[(1R,2S)-1-amino-2-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-[2-(1-aminocyclobutyl)pyrimidin-5-yl]-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11-[6-(cis-1-amino-3-hydroxy-3-methylcyclobutyl)-5-fluoropyridin-3-yl]-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-[6-(cis-1-amino-3-hydroxy-3-methylcyclobutyl)-5-fluoropyridin-3-yl]-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6-methyl-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{6-[cis-1-amino-3-hydroxy-3-(trifluoromethyl)cyclobutyl]-5-fluoropyridin-3-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-(2-{cis-1-amino-3-[hydroxy(dideutero)methyl]-3-methylcyclobutyl}-pyrimidin-5-yl)-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]-benzodiazocin-5(14H)-one; 
 (7R,14R)-11-{2-[cis-1-amino-3-(hydroxymethyl)-3-methylcyclobutyl]pyrimidin-5-yl}-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b][2,5]benzodiazocin-5(14H)-one; and 
 (7R,14R)-11-(6-{cis-1-amino-3-[hydroxy(dideutero)methyl]-3-methylcyclobutyl}-5-fluoropyridin-3-yl)-1-(difluoromethoxy)-6,7-dihydro-7,14-methanobenzimidazo[1,2-b]-[2,5]benzodiazocin-5(14H)-one. 
 
     
     
         20 . The method as claimed in  claim 13  wherein the disorder is an autoimmune or inflammatory disorder selected from the group consisting of psoriasis, ankylosing spondylitis, psoriatic arthropathy, rheumatoid arthritis, juvenile idiopathic arthritis (including oligoarticular and polyarticular forms thereof), axial spondyloarthritis, hidradenitis suppurativa, inflammatory bowel disease (including Crohn's disease, ulcerative colitis, indeterminate colitis and pouchitis), Behçet's disease, scleroderma, systemic sclerosis, multiple sclerosis, systemic lupus erythematosus (SLE), lupus nephritis (LN), fibrosing disorders (including various forms of hepatic and pulmonary fibrosis), and diabetic nephropathy (DN). 
     
     
         21 . The method as claimed in  claim 13  wherein the disorder is a neurological or neurodegenerative disorder selected from the group consisting of Alzheimer's disease, Parkinson's disease, and spinal cord injury. 
     
     
         22 . The method as claimed in  claim 13  wherein the disorder is a cardiovascular disorder selected from the group consisting of cardiac hypertrophy and myocardial infarction. 
     
     
         23 . The method as claimed in  claim 13  wherein the disorder is a metabolic disorder selected from the group consisting of diabetes (including insulin-dependent diabetes mellitus and juvenile diabetes) and metabolic syndrome. 
     
     
         24 . The method as claimed in  claim 13  wherein the disorder is an ocular disorder which is retinopathy (including diabetic retinopathy, proliferative retinopathy, non-proliferative retinopathy and retinopathy of prematurity). 
     
     
         25 . The method as claimed in  claim 13  wherein the disorder is an oncological disorder selected from the group consisting of haematological malignancy (including leukaemia and lymphoma) and non-haematological malignancy (including solid tumour cancer, sarcoma, meningioma, glioblastoma multiforme, neuroblastoma, melanoma, gastric carcinoma and renal cell carcinoma).