Diamine derivatives as inhibitors of leukotriene a4 hydrolase

Abstract

This invention is directed to compounds of formula (I): where r, q, R, R 2 , R 3 , R 4 , R 5a , R 5b , R 5c , R 6a , R 6b , R 6c , R 7 , R 8 , and R 9 are described herein, as single stereoisomers or as mixtures of stereoisomers, or pharmaceutically acceptable salts, solvates, clathrates, polymorphs, ammonium ions, N-oxides or prodrugs thereof; which are leukotriene A 4 hydrolase inhibitors and therefore useful in treating inflammatory disorders. Pharmaceutical compositions comprising the compounds of the invention and methods of preparing the compounds of the invention are also disclosed.

1 . A compound having Formula (I): 
       
         
           
           
               
               
           
         
         wherein: 
         R is i) the group 
       
       
         
           
           
               
               
           
         
       
       or
   ii) the group   
 
       
         
           
           
               
               
           
         
       
       or
   iii) an optionally substituted heteroaryl;   
 n 1 , n 2 , and n 3  are each independently 0 to 2; 
 r is 0 to 4; 
 q is 0 to 2; 
 R 1a , R 1b , R 1c , R 1d  and R 1e  are each independently hydrogen, —R 13 —OR 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)R 10 , alkyl, halo, haloalkyl, cyano, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, or optionally substituted heterocyclylalkyl; 
 R 1v , R 1w , R 1x , R 1y  and R 1z  are each independently hydrogen or fluoro; 
 R 2  is hydrogen, alkyl, haloalkyl, haloalkenyl, haloalkynyl, hydroxyalkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, or optionally substituted heterocyclyalkyl; 
 or R 2  and R 7 , together with the nitrogens to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 2  and R 7 , together with the nitrogens to which they are attached and one of R 5a , R 5b  and R 5c , form an optionally substituted 6- to 10-membered bridged N-heterocyclyl; 
 or R 2  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl or an optionally substituted 6- to 10-membered bridged N-heterocyclyl; 
 or R 2  and R 5b , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 2  and R 8 , together with the nitrogen and carbon to which they are attached, form an optionally substituted N-heterocyclyl or an optionally substituted N-heteroaryl; 
 R 3  is a direct bond, —O—, —R 12 —O—, —O—R 12 —, —O—R 12 —O—, an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; 
 R 4  is a direct bond, —O—R 12a —, an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; 
 each R 5a , R 5b , R 5c , R 6a , R 6b  and R 6c  are each independently hydrogen, alkyl, haloalkyl or hydroxyalkyl; 
 or any one of R 5a  and R 6a  together, R 5b  and R 6b  together, and R 5c  and R 6c  together can be an oxo group; 
 or R 5a  and R 5b , together with the carbons to which they are attached, form an optionally substituted 3- to 7-membered cycloalkyl; 
 or R 5a  and R 5c , together with the carbons to which they are attached, form an optionally substituted 4- to 7-membered cycloalkyl; 
 or R 5b  and R 6b , together with the carbon to which they are attached, form an optionally substituted 3- to 7-membered cycloalkyl; 
 R 7  is hydrogen, —R 13 —OR 10 , —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)—R 13 —N(R 10 )R 11 , —R 13 —N(R 10 )C(═O)N(R 10 )R 11 , alkyl, haloalkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroarylalkyl, or optionally substituted heterocyclylalkyl; 
 or R 7  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl and R 2  and R 5c , together with the nitrogen and carbon to which are they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5b , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5c , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl or an optionally substituted 6- to 10-membered bridged N-heterocyclyl; 
 R 8  is hydrogen, alkyl, haloalkyl, haloalkenyl, haloalkynyl, hydroxyalkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, —R 13 —OR 10 , —R 13 —O—R 14 —C(═O)OR 10 , —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)—R 14 —C(═O)OR 10 , —R 13 —C(═O)—R 13 —N(R 10 )R 11 , —R 13 —C(═O)—R 14 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), or —R 14 —S(═O) p R 10  (where p is 0, 1 or 2); 
 or R 8  is aralkyl optionally substituted with one or more substituents selected from the group consisting of halo, nitro, cyano, optionally substituted heteroaryl, hydroxyiminoalkyl, —R 13 —OR 10 , —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)—R 13 —N(R 10 )R 11 , —R 13 —C(═O)N(R 10 )—R 14 —N(R 10 )R 11 , —R 13 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), —R 13 —N(R 10 )R 11 , —R 13 —N(R 10 )C(═O)R 10 , —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )R 11 , —R 13 —N(R 10 )—R 13 —C(═O)OR 10 , —R 13 —N(R 10 )C(═O)—R 14 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )C(═O)R 10 , —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )—R 14 —N(R 10 )R 11 , —R 13 —N(R 10 )S(═O) t N(R 10 )R 11  (where t is 1 or 2), and —R 13 —O—R 14 —C(═O)OR 10 ; 
 each R 9  is independently —O—R 10 , alkyl, hydroxyalkyl, halo, haloalkyl, aryl or aralkyl; 
 each R 10  and R 11  is independently hydrogen, alkyl, haloalkyl, hydroxyalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, or optionally substituted heterocyclylalkyl; 
 or R 10  and R 11 , together with the nitrogen to which they are attached, form an optionally substituted N-heterocyclyl or an optionally substituted N-heteroaryl; 
 R 12  is an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; 
 R 12a  is an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; 
 each R 13  is independently a direct bond, an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; and 
 each R 14  is independently an optionally substituted straight or branched alkylene chain, an optionally substituted straight or branched alkenylene chain, or an optionally substituted straight or branched alkynylene chain; 
 
       as a single stereoisomer or as a mixture of stereoisomers; 
       or a pharmaceutically acceptable salt, solvate, polymorph, clathrate, ammonium ion, N-oxide or prodrug thereof. 
     
     
         2 . A compound according to  claim 1  wherein R is the group 
       
         
           
           
               
               
           
         
       
     
     
         3 . A compound according to  claim 2  wherein
 R 1a  is hydrogen, —R 13 —C(O)OR 10 , —R 13 —C(O)R 10 , alkyl, halo, haloalkyl, cyano, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, or optionally substituted heterocyclylalkyl; and 
 R 1b , R 1c , R 1d  and R 1e  are each independently hydrogen or halo. 
 
     
     
         4 . A compound according to  claim 2  wherein
 R 1a  is hydrogen, —R 13 —C(O)OR 10 , —R 13 —C(O)R 10 , alkyl, halo, haloalkyl, optionally substituted phenyl, furanyl, thienyl, thiazolyl, or optionally substituted oxazolyl; and 
 R 1b , R 1c , R 1d  and R 1e  are each hydrogen. 
 
     
     
         5 . A compound according to  claim 1  wherein R is the group 
       
         
           
           
               
               
           
         
       
     
     
         6 . A compound according to  claim 1  wherein R is an optionally substituted heteroaryl. 
     
     
         7 . A compound according to  claim 6  wherein R is furanyl, oxazolyl, pyrazol, pyridinyl, triazolyl, thiazolyl, or benzothiazolyl, each of which is optionally substituted. 
     
     
         8 . A compound according to  claim 1  wherein:
 R 2  and R 7 , together with the nitrogens to which they are attached and one of R 5a , R 5b  and R 5c , form an optionally substituted 6- to 10-membered bridged N-heterocyclyl. 
 
     
     
         9 . A compound according to  claim 8  having the following formula (I-1): 
       
         
           
           
               
               
           
         
       
     
     
         10 . A compound according to  claim 9  wherein:
 R 3  is a direct bond, —O—, —R 12 —O—, —O—R 12 —, —O—R 12 —O—, or an optionally substituted straight or branched alkylene chain; 
 R 4  is a direct bond, —O—R 12a —, or an optionally substituted straight or branched alkylene chain; 
 R 8  is aralkyl optionally substituted with one or more substituents selected from the group consisting of —R 13 —OR 10 , —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10  and —R 13 —C(═O)N(R 10 )R 11 ; 
 each R 9  is independently alkyl, halo or —O—R 10 ; 
 R 12  is an optionally substituted straight or branched alkylene chain; 
 R 12a  is an optionally substituted straight or branched alkylene chain; and 
 each R 13  is a direct bond or an optionally substituted straight or branched alkylene chain. 
 
     
     
         11 . A compound according to  claim 10  wherein:
 r is 0; 
 R 3  is a direct bond, —O—, —R 12 —O—, —O—R 12 —, —O—R 12 —O—, or an alkylene chain; 
 R 4  is a direct bond, —O—R 12a —, or an optionally substituted straight or branched alkylene chain; 
 R 8  is benzyl substituted with one or more substituents selected from —R 13 —OR 10  and —R 13 —C(═O)OR 10 ; 
 R 10  is hydrogen, alkyl or optionally substituted aryl; 
 R 12  is C 1-6  alkylene; and 
 R 12a  is methylene or ethylene. 
 
     
     
         12 . A compound according to  claim 1  wherein:
 R 2  and R 7 , together with the nitrogens to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl. 
 
     
     
         13 . A compound according to  claim 12  having the following formula (I-2): 
       
         
           
           
               
               
           
         
       
     
     
         14 - 18 . (canceled) 
     
     
         19 . A compound according to  claim 12  having the following formula (I-3): 
       
         
           
           
               
               
           
         
       
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . A compound according to  claim 1  wherein:
 R 2  is hydrogen, alkyl, haloalkyl, haloalkenyl, haloalkynyl, hydroxyalkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl and optionally substituted heterocyclyalkyl; 
 R 8  is selected from the group consisting of hydrogen, alkyl, haloalkyl, haloalkenyl, haloalkynyl, hydroxyalkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)—R 14 —C(═O)OR 10 , —R 13 —C(═O)—R 14 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), and —R 14 —S(═O) p R 10  (where p is 0, 1 or 2); 
 or R 8  is aralkyl optionally substituted with one or more substituents selected from the group consisting of halo, nitro, cyano, optionally substituted heteroaryl, hydroxyiminoalkyl, —R 13 —OR 10 , —R 13 —C(═O)R 10 , —R 13 —C(═O)OR 10 , —R 13 —C(═O)—R 13 —N(R 10 )R 11 , —R 13 —C(═O)N(R 10 )—R 14 —N(R 10 )R 11 , —R 13 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), —R 13 —N(R 10 )R 11 , —R 13 —N(R 10 )C(═O)R 10 , —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )R 11 , —R 13 —N(R 10 )—R 14 —C(═O)OR 10 , —R 13 —N(R 10 )C(═O)—R 14 —S(═O) t N(R 10 )R 11  (where t is 1 or 2), —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )C(═O)R 10 , —R 13 —N(R 10 )C(═O)—R 13 —N(R 10 )—R 14 —N(R 10 )R 11 , —R 13 —N(R 10 )S(═O) t N(R 10 )R 11  (where t is 1 or 2), and —R 13 —O—R 14 —C(═O)OR 10 ; 
 or R 2  and R 8 , together with the nitrogen to which they are attached, form an optionally substituted N-heterocyclyl or an optionally substituted N-heteroaryl. 
 
     
     
         23 . (canceled) 
     
     
         24 . (canceled) 
     
     
         25 . A compound according to  claim 1  wherein:
 R 2  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl or an optionally substituted 6- to 10-membered bridged N-heterocyclyl; 
 or R 2  and R 5b , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl. 
 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . A compound according to  claim 27  which is of formula (I-4) or formula (I-5): 
       
         
           
           
               
               
           
         
       
     
     
         29 . A compound according to  claim 1  wherein:
 R 7  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5a , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl and R 2  and R 5c , together with the nitrogen and carbon to which are they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5b , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl; 
 or R 7  and R 5c , together with the nitrogen and carbon to which they are attached, form an optionally substituted 5- to 7-membered N-heterocyclyl or an optionally substituted 6- to 10-membered bridged N-heterocyclyl. 
 
     
     
         30 . (canceled) 
     
     
         31 . (canceled) 
     
     
         32 . A pharmaceutical composition comprising a pharmaceutically acceptable excipient and a therapeutically effective amount of a compound of  claim 1 . 
     
     
         33 . A method of treating a disease or disorder ameliorated by the inhibition of LTA 4 -h activity in a mammal, wherein the method comprises administering to a mammal in need thereof a therapeutically effective amount of compound of  claim 1 . 
     
     
         34 . (canceled)