Novel cycloalkyl derivatives as inhibitors of bone resorption and vitronectin receptor antagonists

Abstract

There are described cycloalkyl derivatives of the formula (I) R 1 —Y-A-B-D-E-F-G   (I) in which R 1 , Y, A, B, D, E, F and G have the meaning indicated herein, their preparation and their use as medicaments. The compounds according to the invention can be used as vitronectin receptor antagonists and as inhibitors of bone resorption.

1 .- 19 . (canceled)  
   
   
       20 . A process for the preparation of a compound of formula (I)  
       R 1 —Y-A-B-D-E-F-G   (I),  
     in which R 1 —Y-A- is:  
     
       
         
         
             
             
         
       
     
     or a cyclic acylguanidine of the type  
     
       
         
         
             
             
         
       
       wherein  
       B is a direct bond, (C 1 -C 10 )-alkanediyl, —CR 2 ═CR 3 — or —C≡C—, which in each case can be mono- or disubstituted by (C 1 -C 8 )-alkanediyl;  
       D is a direct bond, (C 1 -C 8 )-alkanediyl, —O—, —NR 2 —, —CO—NR 2 —, —NR 2 —CO—, —NR 2 —C(O)—NR 2 —, —NR 2 —C(S)—NR 2 —, —OC(O)—, —C(O)O—, —CO—, —CS—, —S(O)—, —S(O) 2 —, —S(O) 2 —NR 2 —, —NR 2 —S(O)—, —NR 2 —S(O) 2 —, —S—, —CR 2 ═CR 3 —, —C≡C—, or —CH(OH)—, which in each case can be mono- or disubstituted by (C 1 -C 8 )-alkanediyl;  
       E is a 6-membered aromatic ring system, which optionally contains up to 4 nitrogen atoms and is optionally substituted by 1-4 identical or different radicals selected from the group consisting of R 2 , R 3 , fluorine, Cl, Br, I, NO 2  and OH;  
       F is a direct bond, (C 1 ,-C 8 )-alkanediyl, —O—, —NR 2 —, —CO—NR 2 —, —NR 2 —CO—, —NR 2 —C(O)—NR 2 —, —NR 2 —C(S)—NR 2 —, —OC(O)—, —C(O)O—, —CO—, —CS—, —S(O)—, —S(O) 2 —, —S(O) 2 —NR 2 —, —NR 2 —S(O)—, —NR 2 —S(O) 2 —, —S—, —CR 2 ═CR 3 —, —C≡C—, or —CH(OH)—, which in each case can be mono- or disubstituted by (C 1 -C 8 )-alkanediyl;  
       
         
           
           
               
               
           
         
       
       R 2  and R 3 , independent of one another, are H, (C 1 -C 10 )-alkyl which is optionally mono-or polysubstituted by fluorine, (C 3 -C 12 )-cycloalkyl, (C 3 -C 12 )-cycloalkyl-(C 1 -C 8 )-alkanediyl, (C 5 -C 14 )-arylene-R 7 , (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediyl, H 2 N, (R 8 O)R 8 NR 7 , R 8 OR 7 R 8 OC(O)R 7 , R 8 —(C 5 -C 14 )-arylene-R 7 , R 8 R 8 NR 7 , HO—(C 1 -C 8 )-alkanediyl-NR 8 R 7 , R 8 R 8 NC(O)R 7 , R 8 C(O)NR 8 R 7 , R 8 C(O)R 7 , R 8 R 8 N—C(═NR 8 )—, R 8 R 8 N—C(═NR 8 )—NR 8 — or (C 1 -C 18 )-alkylcarbonyloxy-(C 1 -C 6 )-alkanediyloxycarbonyl;  
       R 4  is (C 10 -C 18 )-cycloalkyl, (C 10 -C 18 )cycloalkyl-(C 1 -C 8 )-alkanediyl, wherein the cycloalkyl radicals are mono- or polycyclic, saturated or mono- or polyunsaturated and may be optionally substituted with (C 1 -C 10 )-alkyl which may be optionally substituted with at least one substituent selected from the group consisting of fluorine, (C 3 -C 12 )-cycloalkyl, (C 3 -C 12 )-cycloalkyl-(C 1 -C 3 )-alkanediyl, (C 5 -C 14 )-aryl, (C 5 -C 14 )-aryl-(C 1 -C 3 )-alkanediyl, (C 1 -C 8 )-alkoxy, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediyloxy, (C 5 -C 14 )-aryloxy, (C 1 -C 8 )-alkylcarbonyloxy-(C 1 -C 14 )-alkanediyloxy, NH 2 , mono- or di-(C 1 -C 8 -alkyl)-amino, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediylamino, (C 5 -C 14 )-arylamino, ═O, ═S, NO 2 , OH, fluorine, Cl, Br, or I; R 6 OR 7 , R 6 SR 7 , R 6 CO 2 R 7 , R 6 OC(O)R 7 , R 6 —(C 5 -C 14 )-arylene-R 7 , R 5 N(R 2 )R 7 , R 6 R 8 NR 7 , R 6 N(R 2 )C(O)OR 9 , R 6 S(O) n N(R 2 )R 7 , R 6 OC(O)N(R 2 )R 7 , R 6 C(O)N(R 2 )R 7 , R 6 N(R 2 )C(O)N(R 2 )R 7 , R 6 N(R 2 )S(O) n N(R 2 )R 7 , R 6 S(O) n R 7 ; R 6 SC(O)N(R 2 )R 7 , R 6 C(O)R 7 , R 6 N(R 2 )C(O)R 7 , or R 6 N(R 2 )S(O) n R 7 ;  
       R 5  is H, fluorine, (C 1 -C 8 )-alkyl, (C 3 -C 12 )-cycloalkyl, (C 3 -C 12 )-cycloalkyl-(C 1 -C 8 )-alkanediyl, (C 5 -C 14 )-aryl, or (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediyl, wherein the alkyl radicals may be mono- or polysubstituted by fluorine;  
       R 6  is (C 10 -C 18 )-cycloalkyl or (C 10 -C 18 )-cycloalkyl-(C 1 -C 8 )-alkanediyl, wherein the cycloalkyl radicals are mono- or polycyclic, saturated or mono- or polyunsaturated, and may be mono- or polysubstituted by (C 1 -C 10 )-alkyl which is optionally mono- or poly-substituted by fluorine, (C 3 -C 12 )-cycloalkyl, (C 3 -C 12 )-cycloalkyl-(C 1 -C 3 )-alkanediyl, (C 5 -C 14 )-aryl, (C 5 -C 14 )-aryl-(C 1 -C 3 )-alkanediyl, (C 1 -C 8 )-alkoxy, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediyloxy, (C 5 -C 14 )-aryloxy, (C 1 -C 8 )-alkylcarbonyloxy-(C 1 -C 4 )-alkanediyloxy, NH 2 , mono- or di-(C 1 -C 8 -alkyl)-amino, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediylamino, (C 5 -C 14 )-arylamino, ═O, ═S, NO 2 , OH, fluorine, Cl, Br, or I;  
       R 7  is a direct bond or (C 1 -C 5 )-alkanediyl;  
       R 8  is H, (C 1 -C 8 )-alkyl, (C 3 -C 12 )-cycloalkyl, (C 3 -C 12 )-cycloalkyl-(C 1 -C 8 )-alkanediyl, (C 5 -C 14 )-aryl, or (C 5 -C 4 )-aryl-(C 1 -C 8 )-alkanediyl, wherein the alkyl radicals may be mono- or polysubstituted by fluorine;  
       R 9  is C(O)R 10 , C(S)R 10 , S(O) n R 10 , P(O)(R 10 ) 2  or a four- to eight-membered, saturated or unsaturated heterocycle which contains 1, 2, 3 or 4 heteroatoms selected from the group consisting of N, O and S;  
       R 9  is OH, (C 1 -C 8 )-alkoxy, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediyloxy, (C 5 -C 14 )-aryloxy, (C 1 -C 8 )-alkylcarbonyloxy-(C 1 -C 4 )-alkanediyloxy, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediylcarbonyloxy-(C 1 -C 8 )-alkanediyloxy, NH 2 , mono- or di-(C 1 -C 5 -alkyl)-amino, (C 5 -C 14 )-aryl-(C 1 -C 8 )-alkanediylamino, (C 1 -C 8 )dialkylaminocarbonylmethylenoxy, (C 5 -C 14 )-aryl-(C 1 -C 8 )-dialkylaminocarbonylmethylenoxy, (C 5 -C 14 )-arylamino or a radical of an L- or D-amino acid;  
       n is 1 or 2;  
       q is 0 or 1;  
       which comprises reacting a compound of the formula (III)  
         Q(O)C—B-D-E-F-G   (III)  
       in which Q is an easily nucleophilically substitutable leaving group and B, D, E, F and G are as defined above, with the appropriate guanidine (derivative) of the type  
       
         
           
           
               
               
           
         
       
       or the cyclic guanidine (derivative)  
       
         
           
           
               
               
           
         
       
       in which R 2  and R 3  are as defined above.