Heterocyclic compounds having an oxadiazole moiety and hydro isomers thereof
View Patent ↗The present invention relates to substituted diphenyl heterocycle compounds having an oxadiazole moiety and pharmaceutical compositions thereof that inhibit replication of HCV virus. The present invention also relates to the use of the compounds and/or compositions to inhibit HCV replication and/or proliferation and to treat or prevent HCV infections.
1. A compound according to the structural formula,
or a pharmaceutically acceptable salt, N-oxide, or prodrug thereof, wherein:
each X, independently, is a leaving group;
R 2 , R 3 , R 4 , R 5 , R 6 , R 8 , R 9 , R 10 and R 13 are each, independently of one another, selected from the group consisting of hydrogen, —OH, —SH, —CN, —NO 2 , —N 3 , halo, fluoro, chloro, bromo, iodo, lower alkyl, substituted lower alkyl, lower heteroalkyl, substituted lower heteroalkyl, cycloalkyl, substituted cycloalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, lower haloalkyl, monohalomethyl, dihalomethyl, trihalomethyl, trifluoromethyl, lower alkylthio, substituted lower alkylthio, lower alkoxy, substituted lower alkoxy, methoxy, substituted methoxy, lower heteroalkoxy, substituted lower heteroalkoxy, cycloalkoxy, substituted cycloalkoxy, cycloheteroalkoxy, substituted cycloheteroalkoxy, lower haloalkoxy, monohalomethoxy, dihalomethoxy, trihalomethoxy, trifluoromethoxy, amino, lower di- or monoalkylamino, substituted lower di- or monoalkylamino, aryl, substituted aryl, aryloxy, substituted aryloxy, phenoxy, substituted phenoxy, arylalkyl, substituted arylalkyl, arylalkyloxy, substituted arylalkyloxy, benzyl, benzyloxy, heteroaryl, substituted heteroaryl, heteroaryloxy, substituted heteroaryloxy, heteroarylalkyl, substituted heteroarylalkyl, heteroarylalkyloxy, substituted heteroarylalkyloxy, carboxyl, lower alkoxycarbonyl, substituted lower alkoxycarbonyl, aryloxycarbonyl, substituted aryloxycarbonyl, arylalkyloxycarbonyl, substituted arylalkyloxycarbonyl, carbamate, substituted carbamate, carbamoyl, substituted carbamoyl, sulfamoyl, substituted sulfamoyl and a group of the formula -L-R 14 , where “L” is a linker and R 14 is cycloalkyl, substituted cycloalkyl, cycloheteroalkyl or substituted cycloheteroalkyl; and
R 16 and R 18 are each, independently of one another, selected from the group consisting of hydrogen, lower alkyl, substituted lower alkyl, lower heteroalkyl, substituted lower heteroalkyl, cycloalkyl, substituted cycloalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, lower haloalkyl, monohalomethyl, dihalomethyl, trihalomethyl, trifluoromethyl, lower alkylthio, substituted lower alkylthio, lower alkoxy, substituted lower alkoxy, methoxy, substituted methoxy, lower heteroalkoxy, substituted lower heteroalkoxy, cycloalkoxy, substituted cycloalkoxy, cycloheteroalkoxy, substituted cycloheteroalkoxy, lower haloalkoxy, monohalomethoxy, dihalomethoxy, trihalomethoxy, trifluoromethoxy, lower di- or monoalkylamino, substituted lower di- or monoalkylamino, aryl, substituted aryl, aryloxy, substituted aryloxy, phenoxy, substituted phenoxy, arylalkyl, substituted arylalkyl, arylalkyloxy, substituted arylalkyloxy, benzyl, benzyloxy, heteroaryl, substituted heteroaryl, heteroaryloxy, substituted heteroaryloxy, heteroarylalkyl, substituted heteroarylalkyl, heteroarylalkyloxy, substituted heteroarylalkyloxy, carboxyl, lower alkoxycarbonyl, substituted lower alkoxycarbonyl, aryloxycarbonyl, substituted aryloxycarbonyl, arylalkyloxycarbonyl, substituted arylalkyloxycarbonyl, carbamate, substituted carbamate, carbamoyl, substituted carbamoyl, sulfamoyl, substituted sulfamoyl and a group of the formula -L-R 14 , where “L” is a linker and R 14 is cycloalkyl, substituted cycloalkyl, cycloheteroalkyl or substituted cycloheteroalkyl.
2. The compound of claim 1 in which R 8 , R 9 , R 10 and R 13 are each hydrogen.
3. The compound of claim 1 in which R 3 and R 5 are each hydrogen.
4. The compound of claim 3 in which R 4 is -L-R 14 .
5. The compound of claim 4 in which L is —O—(CH 2 ) 1-3 — and R 14 is N-morpholinyl.
6. The compound of claim 1 in which R 3 , R 4 and R 5 are each hydrogen.
7. The compound of claim 6 in which R 2 and R 6 are each, independently of one another, selected from the group consisting of —OH, —NO 2 , halo, fluoro, chloro, bromo, iodo, lower alkyl, methyl, lower heteroalkyl, (C3-C6) cycloalkyl, 5- or 6-membered cycloheteroalkyl, N-morpholinyl, N-methyl-N-piperazinyl, N-piperidinyl, substituted N-piperidinyl, 4-(N-piperidinyl)-N-piperidinyl, 4-amino-N-piperidinyl, lower alkoxy, methoxy, ethoxy, lower alkylthio, methylthio, lower haloalkyl, monohalomethyl, dihalomethyl, trihalomethyl, trifluoromethyl, lower haloalkyloxy, monohalomethoxy, dihalomethoxy, trihalomethoxy, trifluoromethoxy, aryl, phenyl, arylalkyl, benzyl, aryloxy, phenoxy, arylalkyloxy, benzyloxy, 5- or 6-membered heteroaryl, lower alkyloxycarbonyl, sulfamoyl and -L-R 14 , where L is —(CH 2 ) 1-3 — or —O—(CH 2 ) 1-3 — and R 14 is a 5- or 6-membered cycloheteroalkyl or N-morpholinyl.
8. The compound of claim 1 in which R 2 is Cl or CF 3 , R 3 is H, R 4 is H, R 5 is H,
R 6 is
OCH 3 , or Cl,
R 8 is H or F, R 9 is H, R 10 is H, and R 13 is H.
9. A compound according to the structural formula,
or a pharmaceutically acceptable salt, hydrate, solvate, N-oxide, or prodrug thereof, wherein:
each X, independently, is a leaving group;
R 2 , R 3 , R 4 , R 5 , R 6 , R 8 , R 9 , R 10 and R 13 are each, independently of one another, selected from the group consisting of hydrogen, —OH, —SH, —CN, —NO 2 , —N 3 , halo, fluoro, chloro, bromo, iodo, lower alkyl, substituted lower alkyl, lower heteroalkyl, substituted lower heteroalkyl, cycloalkyl, substituted cycloalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, lower haloalkyl, monohalomethyl, dihalomethyl, trihalomethyl, trifluoromethyl, lower alkylthio, substituted lower alkylthio, lower alkoxy, substituted lower alkoxy, methoxy, substituted methoxy, lower heteroalkoxy, substituted lower heteroalkoxy, cycloalkoxy, substituted cycloalkoxy, cycloheteroalkoxy, substituted cycloheteroalkoxy, lower haloalkoxy, monohalomethoxy, dihalomethoxy, trihalomethoxy, trifluoromethoxy, amino, lower di- or monoalkylamino, substituted lower di- or monoalkylamino, aryl, substituted aryl, aryloxy, substituted aryloxy, phenoxy, substituted phenoxy, arylalkyl, substituted arylalkyl, arylalkyloxy, substituted arylalkyloxy, benzyl, benzyloxy, heteroaryl, substituted heteroaryl, heteroaryloxy, substituted heteroaryloxy, heteroarylalkyl, substituted heteroarylalkyl, heteroarylalkyloxy, substituted heteroarylalkyloxy, carboxyl, lower alkoxycarbonyl, substituted lower alkoxycarbonyl, aryloxycarbonyl, substituted aryloxycarbonyl, arylalkyloxycarbonyl, substituted arylalkyloxycarbonyl, carbamate, substituted carbamate, carbamoyl, substituted carbamoyl, sulfamoyl, substituted sulfamoyl and a group of the formula -L-R 14 , where “L” is a linker and R 14 is cycloalkyl, substituted cycloalkyl, cycloheteroalkyl or substituted cycloheteroalkyl,
provided that at least one of R 2 or R 6 is other than hydrogen; and
R 16 and R 18 are each, independently of one another, selected from the group consisting of hydrogen, lower alkyl, substituted lower alkyl, lower heteroalkyl, substituted lower heteroalkyl, cycloalkyl, substituted cycloalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, lower haloalkyl, monohalomethyl, dihalomethyl, trihalomethyl, trifluoromethyl, lower alkylthio, substituted lower alkylthio, lower alkoxy, substituted lower alkoxy, methoxy, substituted methoxy, lower heteroalkoxy, substituted lower heteroalkoxy, cycloalkoxy, substituted cycloalkoxy, cycloheteroalkoxy, substituted cycloheteroalkoxy, lower haloalkoxy, monohalomethoxy, dihalomethoxy, trihalomethoxy, trifluoromethoxy, lower di- or monoalkylamino, substituted lower di- or monoalkylamino, aryl, substituted aryl, aryloxy, substituted aryloxy, phenoxy, substituted phenoxy, arylalkyl, substituted arylalkyl, arylalkyloxy, substituted arylalkyloxy, benzyl, benzyloxy, heteroaryl, substituted heteroaryl, heteroaryloxy, substituted heteroaryloxy, heteroarylalkyl, substituted heteroarylalkyl, heteroarylalkyloxy, substituted heteroarylalkyloxy, carboxyl, lower alkoxycarbonyl, substituted lower alkoxycarbonyl, aryloxycarbonyl, substituted aryloxycarbonyl, arylalkyloxycarbonyl, substituted arylalkyloxycarbonyl, carbamate, substituted carbamate, carbamoyl, substituted carbamoyl, sulfamoyl, substituted sulfamoyl and a group of the formula -L-R 14 , where “L” is a linker and R 14 is cycloalkyl, substituted cycloalkyl, cycloheteroalkyl or substituted cycloheteroalkyl.
10. The compound of claim 9 in which R 2 is Cl or CF 3 , R 3 is H, R 4 is H, R 5 is H,
R 6 is Cl, F,
or OCH 3 ,
R 8 is H, Cl, or F, R 9 is H, R 10 is H or CH 3 , and R 13 is H.
11. The compound of claim 1 which is:
R 2
R 3
R 4
R 5
R 6
R 8
R 9
R 10
R 13
X's
Cl
H
H
H
H
H
H
H
Cl
Cl
H
H
H
H
H
H
H
Cl
Cl
H
H
H
H
H
H
H
Cl
CF 3
H
H
H
OMe
H
H
H
H
Cl
Cl
H
H
H
Cl
H
H
H
H
Cl
Cl
H
H
H
Cl
F
H
H
H
Cl.
12. The compound of claim 9 which is:
R 2
R 3
R 4
R 5
R 6
R 8
R 9
R 10
R 13
X's
Cl
H
H
H
Cl
H
H
H
H
Cl
R 2
R 3
R 4
R 5
R 6
R 8
R 9
R 10
R 13
X's
Cl
H
H
H
Cl
H
H
H
Cl
Cl
H
H
H
Cl
H
H
Me
H
Cl
Cl
H
H
H
F
H
H
H
Cl
Cl
H
H
H
H
H
H
H
Cl
Cl
H
H
H
H
H
H
H
Cl
Cl
H
H
H
H
H
H
H
Cl
CF 3
H
H
H
F
H
H
H
H
Cl
Cl
H
H
H
F
H
H
H
H
Cl
CF 3
H
H
H
OMe
H
H
H
H
Cl
Cl
H
H
H
Cl
H
H
H
H
Cl
Cl
H
H
H
Cl
Cl
H
H
H
Cl.