3-((hetero-)aryl)-alkyl-8-amino-2-oxo-1,3-diaza-spiro-[4.5]-decane derivatives

Abstract

The invention relates to 3-((hetero-)aryl)-alkyl-8-amino-2-oxo-1,3-diaza-spiro-[4.5]-decane derivatives, their preparation and their use in medicine, particularly in the treatment of pain.

1 . A compound according to general formula (I) 
       
         
           
           
               
               
           
         
         wherein 
         n means 1, 2 or 3; 
         R 1  and R 2  independently of one another mean 
         —H; 
         —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —OH, —OCH 3 , —CN and —CO 2 CH 3 ; 
         a 3-12-membered cycloalkyl moiety, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —OH, —OCH 3 , —CN and —CO 2 CH 3 ; wherein said 3-12-membered cycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted; or 
         a 3-12-membered heterocycloalkyl moiety, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —OH, —OCH 3 , —CN and —CO 2 CH 3 ; wherein said 3-12-membered heterocycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted; 
         or 
         R 1  and R 2  together with the nitrogen atom to which they are attached form a ring and mean —(CH 2 ) 3-6 —; —(CH 2 ) 2 —O—(CH 2 ) 2 —; or —(CH 2 ) 2 —NR A —(CH 2 ) 2 —, wherein R A  means —H or —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br and —I; 
         R 3  means 
         —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; 
         a 3-12-membered cycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said 3-12-membered cycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; 
         a 3-12-membered heterocycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said 3-12-membered heterocycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; 
         a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted; wherein said 6-14-membered aryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; or 
         a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted; wherein said 5-14-membered heteroaryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; 
         R 4  means 
         —H; 
         —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said —C 1 -C 6 -alkyl is optionally connected through —C(═O)—, —C(═O)O—, or —S(═O) 2 —; 
         a 3-12-membered cycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said 3-12-membered cycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; or wherein said 3-12-membered cycloalkyl moiety is optionally connected through —C(═O)—, —C(═O)O—, —C(═O)O—CH 2 —, or —S(═O) 2 —; 
         a 3-12-membered heterocycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said 3-12-membered heterocycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; or wherein said 3-12-membered heterocycloalkyl moiety is optionally connected through —C(═O)—, —C(═O)O—, —C(═O)O—CH 2 —, or —S(═O) 2 —; 
         a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted; wherein said 6-14-membered aryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; or wherein said 6-14-membered aryl moiety is optionally connected through —C(═O)—, —C(═O)O—, —C(═O)O—CH 2 —, or —S(═O) 2 —; or 
         a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted; wherein said 5-14-membered heteroaryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; or wherein said 5-14-membered heteroaryl moiety is optionally connected through —C(═O)—, —C(═O)O—, —C(═O)O—CH 2 —, or —S(═O) 2 —; 
         R 5  means 
         a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted; or 
         a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted; 
         R 7 , R 8 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , and R 20  independently of one another mean —H, —F, —Cl, —Br, —I, —OH, or —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted; 
         or wherein R 7  and R 8  together with the carbon atom to which they are attached form a ring and mean —(CH 2 ) 2 — or —(CH 2 ) 3 —; 
         wherein “mono- or polysubstituted” means that one or more hydrogen atoms are replaced by a substituent independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —R 21 , —C(═O)R 21 , —C(═O)OR 21 , —C(═O)NR 21 R 22 , —O—(CH 2 CH 2 —O) 1-30 —H, —O—(CH 2 CH 2 —O) 1-30 —CH 3 , ═O, —OR 21 , —OC(═O)R 21 , —OC(═O)OR 21 , —OC(═O)NR 21 R 22 , —NO 2 , —NR 21 R 22 , —NR 21 —(CH 2 ) 1-6 —C(═O)R 22 , —NR 21 —(CH 2 ) 1-6 —C(═O)OR 22 , —NR 23 —(CH 2 ) 1-6 —C(═O)NR 21 R 22 , —NR 21 C(═O)R 22 , —NR 21 C(═O)—OR 22 , —NR 32 C(═O)NR 21 R 22 , —NR 21 S(═O) 2 R 22 , —SR 21 , —S(═O)R 21 , —S(═O) 2 R 21 , —S(═O) 2 OR 21 , and —S(═O) 2 NR 21 R 22 ; 
         wherein 
         R 21 , R 22  and R 23  independently of one another mean 
         —H; 
         —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, —NH 2 , and —O—C 1 -C 6 -alkyl; 
         a 3-12-membered cycloalkyl moiety, saturated or unsaturated, unsubstituted; wherein said 3-12-membered cycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, —NH 2 , —C 1 -C 6 -alkyl and —O—C 1 -C 6 -alkyl; 
         a 3-12-membered heterocycloalkyl moiety, saturated or unsaturated, unsubstituted; wherein said 3-12-membered heterocycloalkyl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, —NH 2 , —C 1 -C 6 -alkyl and —O—C 1 -C 6 -alkyl; 
         a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted; wherein said 6-14-membered aryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, —NH 2 , —C 1 -C 6 -alkyl and —O—C 1 -C 6 -alkyl; 
         a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted; wherein said 5-14-membered heteroaryl moiety is optionally connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, —NH 2 , —C 1 -C 6 -alkyl and —O—C 1 -C 6 -alkyl; 
         or R 21  and R 22  within —C(═O)NR 21 R 22 , —OC(═O)NR 21 R 22 , —NR 21 R 22 , —NR 23 —(CH 2 ) 1-6 —C(═O)NR 21 R 22 , —NR 23 C(═O)NR 21 R 22 , or —S(═O) 2 NR 21 R 22  together with the nitrogen atom to which they are attached form a ring and mean —(CH 2 ) 3-6 —; —(CH 2 ) 2 —O—(CH 2 ) 2 —; or —(CH 2 ) 2 —NR B —(CH 2 ) 2 —, wherein R B  means —H or —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br and —I; 
         or a physiologically acceptable salt thereof. 
       
     
     
         2 . The compound according to  claim 1 , wherein R 7 , R 8 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , and R 20  independently of one another mean —H, —F, —OH, or —C 1 -C 6 -alkyl; or R 7  and R 8  together with the carbon atom to which they are attached form a ring and mean —(CH 2 ) 2 —. 
     
     
         3 . The compound according to  claim 1 , wherein R 1  means —H; and R 2  means —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         4 . The compound according to  claim 1 , wherein R means —CH 3 ; and R 2  means —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         5 . The compound according to  claim 1 , wherein R 1  means —H or —CH 3 ; and wherein R 2  means —CH 2 -cycloalkyl, —CH 2 -cyclobutyl, —CH 2 -cyclopentyl, —CH 2 -oxetanyl or —CH 2 -tetrahydrofuranyl. 
     
     
         6 . The compound according to  claim 1 , wherein R 1  and R 2  together with the nitrogen atom to which they are attached form a ring and mean —(CH 2 ) 3-6 —. 
     
     
         7 . The compound according to  claim 1 , wherein R 3  means —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         8 . The compound according to  claim 1 , wherein R 3  means a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted. 
     
     
         9 . The compound according to  claim 1 , wherein R 3  means a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted. 
     
     
         10 . The compound according to  claim 1 , wherein R 4  means —H. 
     
     
         11 . The compound according to  claim 1 , wherein R 4  means —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         12 . The compound according to  claim 1 , wherein R 4  means a 3-12-membered cycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein the 3-12-membered cycloalkyl moiety is connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         13 . The compound according to  claim 1 , wherein R 4  means a 3-12-membered heterocycloalkyl moiety, saturated or unsaturated, unsubstituted, mono- or polysubstituted; wherein said 3-12-membered heterocycloalkyl moiety is connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         14 . The compound according to  claim 1 , wherein R 4  means a 6-14-membered aryl moiety, unsubstituted, mono- or polysubstituted; wherein said 6-14-membered aryl moiety is connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         15 . The compound according to  claim 1 , wherein R 4  means a 5-14-membered heteroaryl moiety, unsubstituted, mono- or polysubstituted; wherein said 5-14-membered heteroaryl moiety is connected through —C 1 -C 6 -alkylene-, linear or branched, saturated or unsaturated, unsubstituted, mono- or polysubstituted. 
     
     
         16 . The compound according to  claim 1 , wherein n means 1 or 2. 
     
     
         17 . The compound according to  claim 1 , wherein R 5  means -phenyl, unsubstituted, mono- or polysubstituted. 
     
     
         18 . The compound according to  claim 1 , wherein R 5  means -pyrazinyl, -pyridazinyl, -pyridinyl, -pyrimidinyl, -thienyl, -imidazolyl, triazolyl, or -1,3-benzodioxolyl in each case unsubstituted, mono- or polysubstituted. 
     
     
         19 . The compound according to  claim 1 , which has a structure according to any of general formulas (II-A) to (VIII-C): 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         wherein in each case
 R 1 , R 2 , R 3 , R 4 , and R 5  are defined as in  claim 1 , 
 R C  means —H, —OH, —F, —CN or —C 1 -C 4 -alkyl; 
 R D  means —H or —F; 
 
         or a physiologically acceptable salt thereof. 
       
     
     
         20 . The compound according to  claim 1 , wherein R 5  is selected from the group consisting of: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         21 . The compound according to  claim 1 , wherein
 n means 1 or 2;   R 1  means —H or —CH 3 ;   R 2  means —H or —C 1 -C 6 -alkyl, linear or branched, saturated or unsaturated, unsubstituted or monosubstituted with —OH, —OCH 3 , —C(═O)OCH 3 , or —CN;   R 3  means   —C 1 -C 4 -alkyl, optionally monosubstituted with —OCH 3 ;   -phenyl, -thienyl or -pyridinyl, in each case unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —CN, —CH 3 , —CH 2 CH 3 , —CH 2 F, —CHF 2 , —CF 3 , —OCF3, —OH, —OCH 3 , —O—CH 2 —O—CH 3 , —C(═O)NH 2 , C(═O)NHCH 3 , —C(═O)N(CH 3 ) 2 , —NH 2 , —NHCH 3 , —N(CH 3 ) 2 , —NHC(═O)CH 3 , —CH 2 OH, SOCH 3  and SO 2 CH 3 ; or   R 4  means   —H;   —C 1 -C 6 -alkyl, linear or branched, saturated, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, ═O, —OH, —O—C 1 -C 4 -alkyl, —CO 2 H, —C(═O)O—C 1 -C 4 -alkyl, —C(═O)NH 2 , —C(═O)NH—C 1 -C 4 -alkyl, —C(═O)N(C 1 -C 4 -alkyl) 2 , —C(═O)NH—C 1 -C 4 -alkyl-CN, —C(═O)NCH 3 —C 1 -C 4 -alkyl-CN, —C(═O)NH-cyclopropyl-CN, —C(═O)NCH 3 -cyclopropyl-CN, —C(═O)NH—C 1 -C 4 -alkyl-OH, —C(═O)NCH 3 —C 1 -C 4 -alkyl-OH, —C(═O)NH—C 1 -C 4 -alkyl-OCH 3 , —C(═O)NCH 3 —C 1 -C 4 -alkyl-OCH 3 , —C(═O)NRR′ wherein R and R′ together with the nitrogen atom to which they are attached form a ring and mean —(CH 2 ) 2-4 —;   3-6-membered cycloalkyl, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —OH, and —O—C 1 -C 4 -alkyl, wherein said 3-6-membered cycloalkyl is connected through —C 1 -C 6 -alkylene;   3-6-membered heterocycloalkyl, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —CO 2 H, —C(═O)O—C 1 -C 4 -alkyl, —OH, and —O—C 1 -C 4 -alkyl, wherein said 3-6-membered heterocycloalkyl is connected through —C 1 -C 6 -alkylene;   6-14-membered aryl, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —CO 2 H, —C(═O)O—C 1 -C 4 -alkyl, —OH, and —O—C 1 -C 4 -alkyl; wherein said 6-14-membered aryl is connected through —C 1 -C 6 -alkylene- or —S(═O) 2 —;   5-14-membered heteroaryl, unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F, —Cl, —Br, —I, —CN, —CO 2 H, —C(═O)O—C 1 -C 4 -alkyl, —OH, and —O—C 1 -C 4 -alkyl; wherein said 5-14-membered heteroaryl is connected through —C 1 -C 6 -alkylene- or —S(═O) 2 —;   R 5  means -phenyl, -pyrazinyl, -pyridazinyl, -pyridinyl, -pyrimidinyl, -thienyl, -imidazolyl, triazolyl, or -1,3-benzodioxolyl, in each case unsubstituted or substituted with one, two, three or four substituents independently of one another selected from the group consisting of —F; —Cl; —Br; —I; —CN; —OH; —C 1 -C 4 -alkyl; —CF 3 ; —C 1 -C 4 -alkyl-OH; —C 1 -C 4 -alkyl-C(═O)NH 2 ; -3-12-membered cycloalkyl, saturated or unsaturated, unsubstituted, mono- or polysubstituted; preferably -cyclopropyl, saturated, unsubstituted; -3-12-membered heterocycloalkyl, saturated or unsaturated, unsubstituted, mono- or polysubstituted; —O—CH 2 —O—; —O—C 1 -C 4 -alkyl; —O—(CH 2 CH 2 —O) 1-30 —H; —O—(CH 2 CH 2 —O) 1-30 —CH 3 ; —C(═O)OH; —C(═O)OC 1 -C 4 -alkyl; —C(═O)NH 2 ; —C(═O)NHC 1 -C 4 -alkyl; —C(═O)N(C 1 -C 4 -alkyl) 2 ; —SC 1 -C 4 -alkyl; —S(═O)C 1 -C 4 -alkyl and —S(═O) 2 C 1 -C 4 -alkyl; and   R 7 , R 8 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , R 19 , and R 20  mean —H.   
     
     
         22 . The compound according to  claim 1 , which has a structure according to general formula (I′) 
       
         
           
           
               
               
           
         
         wherein R 1  to R 5 , R 7 , R 8 , R 10  to R 20  and n are defined as in  claim 1 , 
         or a physiologically acceptable salt thereof. 
       
     
     
         23 . The compound according to  claim 1 , which has a structure according to general formula (IX) 
       
         
           
           
               
               
           
         
         wherein 
         R C  means —H or —OH; 
         R 3  means -phenyl or -3-fluorophenyl; and 
         R 5  means 
         6-14-membered aryl, unsubstituted, mono- or polysubstituted; or 
         5-14-membered heteroaryl, unsubstituted, mono- or polysubstituted; 
         or a physiologically acceptable salt thereof. 
       
     
     
         24 . The compound according to  claim 23 , wherein R 5  is selected from -phenyl, -pyridyl, pyrimidinyl, or -triazolyl, in each case unsubstituted, mono- or polysubstituted. 
     
     
         25 . The compound according to  claim 1 , which is selected from the group consisting of
 CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(4-methylsulfonyl-phenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(3-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-isopropyl-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclopropyl-methyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-3-[(4-methoxyphenyl)-methyl]-8-[methyl-(2-methyl-propyl)-amino]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzamide;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-(pyrazin-2-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-(Allyl-methyl-amino)-1-(cyclobutyl-methyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-4-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzamide;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(3-fluorophenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(4-fluorophenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(3-methoxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(4-methoxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(2-methyl-propyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-Butyl-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-(4-fluorophenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-(3-fluorophenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(3-hydroxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[[3-[2-[2-[2-[2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-phenyl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-(4-hydroxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one hydrochloride;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-3-[(3-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclopentyl-methyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(2-hydroxy-2-methyl-propyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(2-methoxy-2-methyl-propyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-3-[(3-methoxyphenyl)-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[[1-(Cyclobutyl-methyl)-8-(ethyl-methyl-amino)-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzonitrile;   CIS-1-(Cyclobutyl-methyl)-3-[(3-methoxyphenyl)-methyl]-8-(methyl-propyl-amino)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-(ethyl-methyl-amino)-3-[(3-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-propionitrile;   CIS-1-(Cyclobutyl-methyl)-8-methylamino-8-phenyl-3-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(oxetan-3-yl-methyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-(ethyl-methyl-amino)-8-phenyl-3-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(2-hydroxy-ethyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(2,2-dimethyl-propyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(3-methyl-butyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-[3-(trifluoromethyloxy)-propyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(2-Cyclobutyl-ethyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-[(3,3-Difluoro-cyclobutyl)-methyl]-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[[1-(Cyclobutyl-methyl)-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-8-yl]-methyl-amino]-acetonitrile;   CIS-1-(Cyclobutyl-methyl)-8-[(2-methoxy-ethyl)-methyl-amino]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetic acid tert-butyl ester;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetic acid; 2,2,2-trifluoro-acetic acid salt;   CIS-1-(Cyclobutyl-methyl)-3-[(4-methoxyphenyl)-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetic acid methyl ester;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetamide;   CIS-1-Benzyl-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-methyl-acetamide;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-propyl-acetamide;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(3-methoxy-propyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(2-methoxy-ethyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetonitrile;   CIS-8-Dimethylamino-1-hexyl-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(tetrahydro-pyran-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclohexyl-methyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-N-(Cyano-methyl)-2-[8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetamide;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-(3-methoxy-propyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-(2-methoxy-ethyl)-acetamide;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(2-oxo-2-pyrrolidin-1-yl-ethyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N,N-dimethyl-acetamide;   CIS-N-(1-Cyano-cyclopropyl)-2-[8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-acetamide;   CIS-2-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-methyl-N-propyl-acetamide;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-(3-methoxy-propyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(3-hydroxy-propyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(4-methoxy-butyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-[(1-methyl-cyclobutyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclohexyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-5-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-pentanenitrile;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-propionamide;   CIS-1-(Cyclobutyl-methyl)-8-[(2-hydroxy-ethyl)-methyl-amino]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-[[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-methyl]-cyclobutane-1-carbonitrile;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclopentyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[(2-Bromophenyl)-methyl]-1-(cyclobutyl-methyl)-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-methyl-propionamide;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-N-propyl-propionamide;   CIS-8-Dimethylamino-1-[(1-fluoro-cyclobutyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(2-Cyclohexyl-ethyl)-8-dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzonitrile;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-methyl-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[2-[2-[2-[2-[2-[2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(2-tetrahydro-pyran-4-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-4-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzonitrile;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-[[6-(trifluoromethyl)-pyridin-3-yl]-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[[4-[2-[2-[2-[2-[2-[2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-ethoxy]-phenyl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzamide;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(4-hydroxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-(ethyl-methyl-amino)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-methoxy-cyclobutyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzonitrile;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(3-methylsulfonyl-phenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-ethyl-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-propyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-Benzyl-1-(cyclobutyl-methyl)-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(pyrimidin-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-2,2-dimethyl-propionitrile;   CIS-2-[[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-methyl]-benzoic acid methyl ester;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-(pyridin-2-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-(pyridin-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(tetrahydro-furan-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-(pyrimidin-2-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[[1-[(5-Cyano-2-methoxy-phenyl)-methyl]-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-4-methoxy-benzonitrile;   CIS-8-Dimethylamino-1-(3-hydroxy-3-methyl-butyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-(3-methoxy-3-methyl-butyl)-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[[8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzamide;   CIS-3-[[8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-benzamide;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(2-methylsulfonyl-ethyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-[(1-Hydroxy-cyclobutyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(tetrahydro-furan-2-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-Benzyl-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-Benzyl-8-dimethylamino-1-ethyl-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-[2-(methylsulfamyl)-ethyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(2R)-2-hydroxy-propyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(2S)-2-hydroxy-propyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(tetrahydro-furan-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-ethyl-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Amino-1-[(1-hydroxy-cyclobutyl)-methyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-8-phenyl-3-(2-phenyl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-8-phenyl-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[[8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-4-methoxy-benzonitrile;   CIS-8-Dimethylamino-1-ethyl-8-phenyl-3-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[2-(1-methoxy-cyclobutyl)-ethyl]-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-[3-(methoxymethyloxy)-phenyl]-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-[4-(methoxymethyloxy)-phenyl]-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-propionic acid;   CIS-3-[8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-propionic acid tert-butyl ester;   CIS-2-[[1-(Cyclobutyl-methyl)-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-8-yl]-methyl-amino]-acetic acid methyl ester;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-1-(3-methyl-but-2-enyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[(3-methylsulfanyl-phenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[(3-Bromophenyl)-methyl]-1-(cyclobutyl-methyl)-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-((8-(dimethylamino)-1-((1-hydroxycyclobutyl)methyl)-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl)methyl)benzonitrile;   CIS-8-Dimethylamino-8-(3-methoxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-(4-methoxyphenyl)-3-[(4-methoxyphenyl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-((8-(dimethylamino)-1-((1-hydroxycyclobutyl)methyl)-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl)methyl)benzonitrile;   CIS-3-((8-(dimethylamino)-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl)methyl)-4-methoxybenzonitrile;   CIS-8-Dimethylamino-8-phenyl-3-(1H-[1,2,3]triazol-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[[1-(2-hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[4-[(8-Dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl)-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-8-Methylamino-8-phenyl-3-(1H-[1,2,3]triazol-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-8-phenyl-1-(p-tolylsulfonyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[4-[(8-Methylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl)-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-8-Dimethylamino-3-[(4-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decane-1-carboxylic acid benzyl ester;   CIS-3-[[1-(2-Hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-2-yl-ethyl)-1,3-diazaspiro[4.5]decane-2,4-dione;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-2-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-3-[[1-(2-hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[2-(1H-imidazol-1-yl)-ethyl]-8-phenyl-1,3-diazaspiro[4.5]decane-2,4-dione;   CIS-2-[4-[[8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-1-[(1-Hydroxy-cyclobutyl)-methyl]-3-[[1-(2-hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-3-yl-ethyl)-1,3-diazaspiro[4.5]decane-2,4-dione;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-4-yl-ethyl)-1,3-diazaspiro[4.5]decane-2,4-dione;   CIS-2-[4-[[1-(Cyclobutyl-methyl)-8-dimethylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-1-(Cyclobutyl-methyl)-8-dimethylamino-3-[[1-(2-hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[4-[[1-[(1-Hydroxy-cyclobutyl)-methyl]-8-methylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-1-(Cyclobutyl-methyl)-3-[[1-(2-hydroxy-ethyl)-1H-[1,2,3]triazol-4-yl]-methyl]-8-methylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-2-[4-[[1-(Cyclobutyl-methyl)-8-methylamino-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-3-yl]-methyl]-1H-[1,2,3]triazol-1-yl]-acetamide;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-3-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[2-(1H-imidazol-1-yl)-ethyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyridin-4-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyrimidin-2-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(2-pyrimidin-5-yl-ethyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-ethyl-3-[(4-methylsulfonyl-phenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-(1-methyl-1-phenyl-ethyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(1-phenyl-cyclopropyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1,3-bis[(2-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(3-methylsulfonyl-phenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-3-(1-methyl-1-phenyl-ethyl)-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-[(3-Cyclopropyl-phenyl)-methyl]-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-3-(1,3-Benzodioxol-4-yl-methyl)-8-dimethylamino-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-1-[(1-hydroxy-cyclobutyl)-methyl]-8-phenyl-3-(1-phenyl-cyclopropyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-4-[[8-Dimethylamino-3-[(2-methoxyphenyl)-methyl]-2-oxo-8-phenyl-1,3-diazaspiro[4.5]decan-1-yl]-methyl]-benzonitrile;   CIS-8-Dimethylamino-3-[(2-methoxyphenyl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(pyridin-4-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(pyridin-2-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-(pyridin-3-yl-methyl)-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[[2-(4-methyl-piperazin-1-yl)-pyridin-4-yl]-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-[(2-piperidin-1-yl-pyridin-4-yl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-3-[(2-morpholin-4-yl-pyridin-4-yl)-methyl]-8-phenyl-1,3-diazaspiro[4.5]decan-2-one;   CIS-8-Dimethylamino-8-phenyl-3-[(2-piperazin-1-yl-pyridin-4-yl)-methyl]-1,3-diazaspiro[4.5]decan-2-one;   and the physiologically acceptable salts thereof.   
     
     
         26 . The compound according to  claim 1  for use in the treatment of pain. 
     
     
         27 . A medicament comprising a compound according to  claim 1 . 
     
     
         28 . A method of treating pain in a patient in need thereof, said method comprising administering to said patient an effective amount therefor of at least one compound according to  claim 1 .