4-carboxyamino-2-substituted-1,2,3,4-tetrahydroquinolines

Abstract

Cholesteryl ester transfer protein inhibitors, pharmaceutical compositions containing such inhibitors and the use of such inhibitors to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases in some mammals, including humans.

1 . A compound of the Formula I  
     
       
         
         
             
             
         
       
     
     a prodrug thereof, or a pharmaceutically acceptable salt of said compound or of said prodrug; 
 wherein R 1  is hydrogen, Y, W—X or W—Y;  
 wherein W is a carbonyl, thiocarbonyl, sulfinyl or sulfonyl;  
 X is —O—Y, —S—Y, —N(H)—Y or —N—(Y) 2 ; 
 wherein Y for each occurrence is independently Z or a fully saturated, partially unsaturated or fully unsaturated one to ten membered straight or branched carbon chain wherein the carbons, other than the connecting carbon, may optionally be replaced with one or two heteroatoms selected independently from oxygen, sulfur and nitrogen and said carbon is optionally mono-, di- or tri-substituted independently with halo, said carbon is optionally mono-substituted with hydroxy, said carbon is optionally mono-substituted with oxo, said sulfur is optionally mono- or di-substituted with oxo, said nitrogen is optionally mono-, or di-substituted with oxo, and said carbon chain is optionally mono-substituted with Z;  
 wherein Z is a partially saturated, fully saturated or fully unsaturated three to eight membered ring optionally having one to four heteroatoms selected independently from oxygen, sulfur and nitrogen, or a bicyclic ring consisting of two fused partially saturated, fully saturated or fully unsaturated three to six membered rings, taken independently, optionally having one to four heteroatoms selected independently from nitrogen, sulfur and oxygen;  
 wherein said Z substituent is optionally mono-, di- or tri-substituted independently with halo, (C 2 -C 6 )alkenyl, (C 1 -C 6 )alkyl, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl substituent is optionally mono-, di- or tri-substituted independently with halo, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino, said (C 1 -C 6 )alkyl substituent is also optionally substituted with from one to nine fluorines; R 2  is a partially saturated, fully saturated or fully unsaturated one to six membered straight or branched carbon chain wherein the carbons, other than the connecting carbon, may optionally be replaced with one or two heteroatoms selected independently from oxygen, sulfur and nitrogen wherein said carbon atoms are optionally mono-, di- or tri-substituted independently with halo, said carbon is optionally mono-substituted with oxo, said carbon is optionally mono-substituted with hydroxy, said sulfur is optionally mono- or di-substituted with oxo, said nitrogen is optionally mono- or di-substituted with oxo; or said R 2  is a partially saturated, fully saturated or fully unsaturated three to seven membered ring optionally having one to two heteroatoms selected independently from oxygen, sulfur and nitrogen, wherein said R 2  ring is optionally attached through (C 1 -C 4 )alkyl;  
 wherein said R 2  ring is optionally mono-, di- or tri-substituted independently with halo, (C 2 -C 6 )alkenyl, (C 1 -C 6 )alkyl, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl substituent is optionally mono-, di- or tri-substituted independently with halo, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, oxo or (C 1 -C 6 )alkyloxycarbonyl;  
 
 with the proviso that R 2  is not methyl; R 3  is hydrogen or Q;  
 wherein Q is a fully saturated, partially unsaturated or fully unsaturated one to six membered straight or branched carbon chain wherein the carbons other than the connecting carbon, may optionally be replaced with one heteroatom selected from oxygen, sulfur and nitrogen and said carbon is optionally mono-, di- or tri-substituted independently with halo, said carbon is optionally mono-substituted with hydroxy, said carbon is optionally mono-substituted with oxo, said sulfur is optionally mono- or di-substituted with oxo, said nitrogen is optionally mono- or di-substituted with oxo, and said carbon chain is optionally mono-substituted with V; 
 wherein V is a partially saturated, fully saturated or fully unsaturated three to eight membered ring optionally having one to four heteroatoms selected independently from oxygen, sulfur and nitrogen, or a bicyclic ring consisting of two fused partially saturated, fully saturated or fully unsaturated three to six membered rings, taken independently, optionally having one to four heteroatoms selected independently from nitrogen, sulfur and oxygen;  
 wherein said V substituent is optionally mono-, di-, tri-, or tetra-substituted independently with halo, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxamoyl, mono-N- or di-N,N-(C 1 -C 6 )alkylcarboxamoyl, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl or (C 2 -C 6 )alkenyl substituent is optionally mono-, di- or tri-substituted independently with hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino, said (C 1 -C 6 )alkyl or (C 2 -C 6 )alkenyl substituents are also optionally substituted with from one to nine fluorines;  
 
 R 4  is Q 1  or V 1 ; 
 wherein Q 1  a fully saturated, partially unsaturated or fully unsaturated one to six membered straight or branched carbon chain wherein the carbons, other than the connecting carbon, may optionally be replaced with one heteroatom selected from oxygen, sulfur and nitrogen and said carbon is optionally mono-, di- or tri-substituted independently with halo, said carbon is optionally mono-substituted with hydroxy, said carbon is optionally mono-substituted with oxo, said sulfur is optionally mono- or di-substituted with oxo, said nitrogen is optionally mono- or di-substituted with oxo, and said carbon chain is optionally mono-substituted with V 1 ;  
 wherein V 1  is is a partially saturated, fully saturated or fully unsaturated three to six membered ring optionally having one to two heteroatoms selected independently from oxygen, sulfur and nitrogen;  
 wherein said V 1  substituent is optionally mono-, di-, tri-, or tetra-substituted independently with halo, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, amino, nitro, cyano, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl substituent is optionally mono-substituted with oxo, said (C 1 -C 6 )alkyl substituent is also optionally substituted with from one to nine fluorines;  
 wherein either R 3  must contain V or R 4  must contain V 1 ;  
 
 R 5 , R 6 , R 7  and R 8  are each independently hydrogen, a bond, nitro or halo wherein said bond is substituted with T or a partially saturated, fully saturated or fully unsaturated (C 1 -C 12 ) straight or branched carbon chain wherein carbon, may optionally be replaced with one or two heteroatoms selected independently from oxygen, sulfur and nitrogen wherein said carbon atoms are optionally mono-, di- or tri-substituted independently with halo, said carbon is optionally mono-substituted with hydroxy, said carbon is optionally mono-substituted with oxo, said sulfur is optionally mono- or di-substituted with oxo, said nitrogen is optionally mono- or di-substituted with oxo, and said carbon is optionally mono-substituted with T; 
 wherein T is a partially saturated, fully saturated or fully unsaturated three to eight membered ring optionally having one to four heteroatoms selected independently from oxygen, sulfur and nitrogen, or, a bicyclic ring consisting of two fused partially saturated, fully saturated or fully unsaturated three to six membered rings, taken independently, optionally having one to four heteroatoms selected independently from nitrogen, sulfur and oxygen;  
 wherein said T substituent is optionally mono-, di- or tri-substituted independently with halo, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl substituent is optionally mono-, di- or tri-substituted independently with hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino, said (C 1 -C 6 )alkyl substituent is also optionally substituted with from one to nine fluorines; and  
 wherein R 5  and R 6 , or R 5  and R 7 , and/or R 7  and R 5  may also be taken together and can form at least one four to eight membered ring that is partially saturated or fully unsaturated optionally having one to three heteroatoms independently selected from nitrogen, sulfur and oxygen;  
 wherein said ring or rings formed by R 5  and R 6 , or R 5  and R 7 , and/or R 7  and R 8  are optionally mono-, di- or tri-substituted independently with halo, (C 1 -C 6 )alkyl, (C 1 -C 4 )alkylsulfonyl, (C 2 -C 6 )alkenyl, hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino wherein said (C 1 -C 6 )alkyl substituent is optionally mono-, di- or tri-substituted independently with hydroxy, (C 1 -C 6 )alkoxy, (C 1 -C 4 )alkylthio, amino, nitro, cyano, oxo, carboxy, (C 1 -C 6 )alkyloxycarbonyl, mono-N- or di-N,N-(C 1 -C 6 )alkylamino, said (C 1 -C 6 )alkyl substituent is also optionally substituted with from one to nine fluorines;  
 
 with the proviso that when R 2  is carboxyl or (C 1 -C 4 )alkylcarboxyl, then R 1  is not hydrogen.  
 
   
   
       2 - 47 . (canceled)  
   
   
       48 . cis-(2-ethyl-6-trifluoromethyl-1,2,3,4-tetrahydroquinolin-4-yl)carbamic acid methyl ester.