Anti-viral compounds

1. A compound of Formula I, or a pharmaceutically acceptable salt thereof,

wherein:

X is cyclopropyl, and is optionally substituted with one or more R A ;

L 1 , L 2 and L 3 are each a bond;

A is selected from

 or

 B is selected from

 or

 Z 1 is independently selected at each occurrence from O, S, NH or CH 2 , Z 2 is independently selected at each occurrence from N or CH, and W 1 , W 2 , W 3 , W 4 , W 5 and W 6 are each independently selected at each occurrence from CH or N, wherein A and B are each independently optionally substituted with one or more R A ;

D is C 3 -C 12 carbocycle or 3- to 12-membered heterocycle, and is optionally substituted with one or more R A ; or D is C 3 -C 12 carbocycle or 3- to 12-membered heterocycle, and is substituted with J and optionally substituted with one or more R A , wherein J is C 3 -C 12 carbocycle or 3- to 12-membered heterocycle and is optionally substituted with one or more R A ;

Y is —C(R 1 R 2 )N(R 5 )-T-R D , or —C(R 3 R 4 )C(R 6 R 7 )-T-R D ;

Z is —C(R 8 R 9 )N(R 12 )-T-R D , or —C(R 10 R 11 )C(R 13 R 14 )-T-R D ;

R 1 is R C , and R 2 and R 5 , taken together with the atoms to which they are attached, form a 3- to 12-membered heterocycle which is optionally substituted with one or more R A ;

R 3 and R 6 are each independently R C , and R 4 and R 7 , taken together with the atoms to which they are attached, form a 3- to 12-membered carbocycle or heterocycle which is optionally substituted with one or more R A ;

R 8 is R C , and R 9 and R 12 , taken together with the atoms to which they are attached, form a 3- to 12-membered heterocycle which is optionally substituted with one or more R A ;

R 10 and R 13 are each independently R c , and R 11 and R 14 , taken together with the atoms to which they are attached, form a 3- to 12-membered carbocycle or heterocycle which is optionally substituted with one or more R A ;

T is each independently selected at each occurrence from bond, -L S -, -L S -M-L S ′-, or -L S -M-L S ′-M′-L S ″-, wherein M and M′ are each independently selected at each occurrence from bond, —O—, —S—, —N(R B )—, —C(O)—, —S(O) 2 —, —S(O)—, —OS(O)—, —OS(O) 2 —, —S(O) 2 O—, —S(O)O—, —C(O)O—, —OC(O)—, —OC(O)O—, —C(O)N(R B )—, —N(R B )C(O)—, —N(R B )C(O)O—, —OC(O)N(R B )—, —N(R B )S(O)—, —N(R B )S(O) 2 —, —S(O)N(R B )—, —S(O) 2 N(R B )—, —C(O)N(R B )C(O)—, —N(R B )C(O)N(R B ′)—, —N(R B )SO 2 N(R B ′)—, —N(R B )S(O)N(R B ′)—, C 3 -C 12 carbocycle or 3- to 12-membered heterocycle, and wherein said C 3 -C 12 carbocycle and 3- to 12-membered heterocycle are each independently optionally substituted at each occurrence with one or more R A ;

R D is each independently selected at each occurrence from hydrogen or R A ;

R A is independently selected at each occurrence from halogen, nitro, oxo, phosphonoxy, phosphono, thioxo, cyano, or -L S -R E ;

R B and R B ′ are each independently selected at each occurrence from hydrogen; or C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano or 3- to 6-membered carbocycle or heterocycle; or 3- to 6-membered carbocycle or heterocycle; wherein each 3- to 6-membered carbocycle or heterocycle in R B or R B ′ is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 haloalkyl, C 2 -C 6 haloalkenyl or C 2 -C 6 haloalkynyl;

R C is independently selected at each occurrence from hydrogen, halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl or cyano; or C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano or 3- to 6-membered carbocycle or heterocycle; or 3- to 6-membered carbocycle or heterocycle; wherein each 3- to 6-membered carbocycle or heterocycle in R C is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 haloalkyl, C 2 -C 6 haloalkenyl or C 2 -C 6 haloalkynyl;

R E is independently selected at each occurrence from

—O—R S , —S—R S , —C(O)R S , —OC(O)R S , —C(O)OR S , —N(R S R S ′), —S(O)R S , —SO 2 R S , —C(O)N(R S R S ′), —N(R S )C(O)R S ′, —N(R S )C(O)N(R S ′R S ″), —N(R S )SO 2 R S ′, —SO 2 N(R S R S ′), —N(R S )SO 2 N(R S ′R S ″), —N(R S )S(O)N(R S ′R S ″), —OS(O)—R S , —OS(O) 2 —R S , —S(O) 2 OR S , —S(O)OR S , —OC(O)OR S , —N(R S )C(O)OR S ′, —OC(O)N(R S R S ′), —N(R S )S(O)—R S ′, —S(O)N(R S R S ′), P(O)(OR S ) 2 or —C(O)N(R S )C(O)—R S ′; or

C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl or cyano; or

C 3 -C 6 carbocycle or 3- to 6-membered heterocycle, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 haloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 haloalkynyl, C(O)OR S or —N(R S R S ′);

R L is independently selected at each occurrence from halogen, nitro, oxo, phosphonoxy, phosphono, thioxo, cyano, —O—R S , —S—R S , —C(O)R S , —OC(O)R S , —C(O)OR S , —N(R S R S ′), —S(O)R S , —SO 2 R S , —C(O)N(R S R S ′) or —N(R S )C(O)R S ′; or C 3 -C 6 carbocycle 3- to 6-membered heterocycle, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 haloalkyl, C 2 -C 6 haloalkenyl or C 2 -C 6 haloalkynyl;

L S , L S ′ and L S ″ are each independently selected at each occurrence from bond; or C 1 -C 6 alkylene, C 2 -C 6 alkenylene or C 2 -C 6 alkynylene, each of which is independently optionally substituted at each occurrence with one or more R L ; and

R S , R S ′ and R S ″ are each independently selected at each occurrence from hydrogen; or

C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl, each of which is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano or 3- to 6-membered carbocycle or heterocycle; or

—(R G —R H ) n —(R G —R H ′), wherein each n is independently 0, 1, 2, 3 or 4; each R G is independently O, S or N(R B ); each R H is independently C 1 -C 6 alkylene, C 2 -C 6 alkenylene or C 2 -C 6 alkynylene, each of which is optionally substituted with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano or 3- to 6-membered carbocycle or heterocycle; and each R H ′ is independently C 1 -C 6 alkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl, each of which is optionally substituted with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano or 3- to 6-membered carbocycle or heterocycle; or

3- to 6-membered carbocycle or heterocycle;

wherein each 3- to 6-membered carbocycle or heterocycle in R S , R S′ or R S″ is independently optionally substituted at each occurrence with one or more substituents selected from halogen, hydroxy, mercapto, amino, carboxy, nitro, oxo, phosphonoxy, phosphono, thioxo, formyl, cyano, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 haloalkyl, C 2 -C 6 haloalkenyl or C 2 -C 6 haloalkynyl.

2. The compound or salt of claim 1 , wherein:

T is independently selected at each occurrence from —C(O)-L S ′-M′-L S ″- or —N(R B )C(O)-L S ′-M′-L S ″-; and

L S ′ is each independently C 1 -C 6 alkylene, and is independently optionally substituted at each occurrence with one or more R L .

3. The compound or salt of claim 1 , wherein:

Y is —C(R 1 R 2 )N(R 5 )-T-R D ;

Z is —C(R 8 R 9 )N(R 12 )-T-R D ;

T is independently selected at each occurrence from —C(O)-L S ′-M′-L S ″-; and

D is C 5 -C 6 carbocycle, 5- to 6-membered heterocycle, or 6- to 10-membered bicycles, and is substituted with one or more R A ; or D is C 5 -C 6 carbocycle or 5- to 6-membered heterocycle, and is substituted with J and optionally substituted with one or more R A , wherein J is C 3 -C 6 carbocycle or 3- to 6-membered heterocycle and is optionally substituted with one or more R A .

4. The compound or salt of claim 3 , wherein T is independently selected at each occurrence from —C(O)-L S ′-N(R B )C(O)-L S ″- or —C(O)-L S ′-N(R B )C(O)O-L S ″-; and R 2 and R 5 , taken together with the atoms to which they are attached, form

which is optionally substituted with one or more R A ; and R 9 and R 12 , taken together with the atoms to which they are attached, form

which is optionally substituted with one or more R A .

5. The compound of claim 4 , wherein A is

B is

and A and B are each independently optionally substituted with one or more R A .

6. The compound of claim 1 , wherein the compound is selected from the group consisting of:

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(3-(4-methoxyphenyl)cyclopropane-1,2-diyl)bis(4,1-phenylene))bis(azanediyl)bis(oxomethylene)bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(3-(4-(benzyloxy)phenyl)cyclopropane-1,2-diyl)bis(4,1-phenylene))bis(azanediyl)bis(oxomethylene)bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(4,4′-(3-(4-methoxyphenyl)cyclopropane-1,2-diyl)bis(4,1-phenylene))bis(1H-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(4,4′-(3-(4-(benzyloxy)phenyl)cyclopropane-1,2-diyl)bis(4,1-phenylene))bis(1H-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(5,5′-(3-(4-(benzyloxy)phenyl)cyclopropane-1,2-diyl)bis(1H-benzo[d]imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(3-(4-cyclohexylphenyl)cyclopropane-1,2-diyl)bis(4,1-phenylene))bis(azanediyl)bis(oxomethylene)bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate;

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(2-(4-tert-butylphenyl)cyclopent-3-ene-1,3-diyl)bis(4,1-phenylene)bis(azanediyl)bis(oxomethylene))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate; and

dimethyl (2S,2′S)-1,1′-((2S,2′S)-2,2′-(4,4′-(2-(4-tert-butylphenyl)cyclopentane-1,3-diyl)bis(4,1-phenylene)bis(azanediyl)bis(oxomethylene))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate.

7. A pharmaceutical composition comprising a compound or salt according to claim 1 and another anti-HCV agent.