IP Library Granted Patent US 8,053,456
Granted Patent B2
US 8,053,456 · App. 11/807,327 · Granted Nov 8, 2011

Triazole compounds that modulate Hsp90 activity

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Quick Facts
Patent No.
US 8,053,456
App. No.
11/807,327
Granted
Nov 8, 2011
Kind
B2
Abstract

The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.

Claims (133)

1. A compound represented by the following structural formula:

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof, wherein:

X is —O—or —S—;

R′ 5 is an optionally substituted heteroaryl or an optionally substituted aryl;

R′ 6 is —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, cyano, halo, nitro, an optionally substituted cycloalkyl, haloalkyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, an optionally substituted heteroaralkyl, —OR 7 , —SR 7 , —NR 10 R 11 , —OC(O)NR 10 R 11 , —SC(O)NR 10 R 11 , —NR 7 C(O)NR 10 R 11 , —OC(O)R 7 , —SC(O)R 7 , —NR 7 C(O)R 7 , —OC(O)OR 7 , —SC(O)OR 7 , —NR 7 C(O)OR 7 , —OCH 2 C(O)R 7 , —SCH 2 C(O)R 7 , —NR 7 CH 2 C(O)R 7 , —OCH 2 C(O)OR 7 , —SCH 2 C(O)OR 7 , —NR 7 CH 2 C(O)OR 7 , —OCH 2 C(O)NR 10 R 11 , —SCH 2 C(O)NR 10 R 11 , —NR 7 CH 2 C(O)NR 10 R 11 , —OS(O) p R 7 , —SS(O) p R 7 , —NR 7 S(O) p R 7 , —OS(O) p NR 10 R 11 , —SS(O) p NR 10 R 11 , —NR 7 S(O) p NR 10 R 11 , —OS(O) p OR 7 , —SS(O) p OR 7 , —NR 7 S(O) p OR 7 , —OC(S)R 7 , —SC(S)R 7 , —NR 7 C(S)R 7 , —OC(S)OR 7 , —SC(S)OR 7 , —NR 7 C(S)OR 7 , —OC(S)NR 10 R 11 , —SC(S)NR 10 R 11 , —NR 7 C(S)NR 10 R 11 , —OC(NR 8 )R 7 , —SC(NR 8 )R 7 , —NR 7 C(NR 8 )R 7 , —OC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —NR 7 C(NR 8 )OR 7 , —OC(NR 8 )NR 10 R 11 , —SC(NR 8 )NR 10 R 11 , —NR 7 C(NR 8 )NR 10 R 11 , —C(O)R 7 , —C(O)OR 7 , —C(O)NR 10 R 11 , —C(O)SR 7 , —C(S)R 7 , —C(S)OR 7 , —C(S)NR 10 R 11 , —C(S)SR 7 , —C(NR 8 )OR 7 , —C(NR 8 )R 7 , —C(NR 8 )NR 10 R 11 , —C(NR 8 )SR 7 , —S(O) p OR 7 , —S(O) p NR 10 R 11 or —S(O) p R 7 ;

R 7 and R 8 , for each occurrence, is independently, —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl;

R 10 and R 11 , for each occurrence, is independently —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl; or R 10 and R 11 , taken together with the nitrogen to which they are attached, form an optionally substituted heterocyclyl or an optionally substituted heteroaryl;

R′ 17 , R 18 , and R 19 are each, independently, —H, —C(O)R 22 , or (alk)O(alk); provided that at least one of R′ 17 , R 18 , or R 19 is not —H;

R 22 , for each occurrence is independently optionally substituted alkyl, optionally substituted aryl, —O(alk), amino, alkyl amino, or dialkyl amino;

alk is a lower alkyl;

p, for each occurrence, is independently 1 or 2;

with the proviso that the compound is not

3-(2-Hydroxy-4-methoxymethyoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(2-hydroxy-ethoxy)-phenyl]-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(naphthalen-1-yl)-5-(dimethyl-carbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Dihydroxy-phenyl)-4-(naphthalen-1-yl)-5-(dimethylcarbamoylsulfanyl)-[1,2,4] triazole;

3-(2,4-Diethoxycarbonyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethoxycarbonylsulfanyl)- [1,2,4] triazole;

3-(2,4-Di-isobutyryloxy-phenyl)-4-(naphthalen-1-yl)-5-(isobutyrylsulfanyl)-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(quinolin-5-yl)-5-(dimethyl-carbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-(acetylsulfanyl)- [1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-(2,4-Diethylcarbamoyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethylcarbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(3-trifluoromethyl-phenyl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(1-methyl-indol-4-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-methoxy-phenyl)-4-(8-methoxy-quinolin-5-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-methoxy-phenyl)-4-(1-isopropyl-benzoimidazol-4-yl)-5-hydroxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-ethyl-phenyl)-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-chloro-phenyl]-4-(quinolin-5-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(2,3-difluoro-phenyl)-5-mercapto-[1,2,4] triazole; or

3-[2-Hydroxy-4-isobutyryloxy-5-ethyl-phenyl]-4-(1-methyl-benzo-imidazol-4-yl)-5-hydroxy-[1,2,4] triazole.

2. The compound of claim 1 , wherein the compound is represented by the following formula:

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof.

3. The compound of claim 1 , wherein the compound is represented by the following formula:

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof, wherein:

R 18 and R 19 are each, independently, —H, —C(O)R 22 , or (alk)O(alk); provided that either R 18 or R 19 is not —H.

4. A method of inhibiting Hsp90 in a cell, comprising administering to the cell an effective amount of a compound selected from the group consisting of:

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof, wherein:

R 7 and R 8 , for each occurrence, is independently, —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl;

R 10 and R 11 , for each occurrence, is independently —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl; or R 10 and R 11 , taken together with the nitrogen to which they are attached, form an optionally substituted heterocyclyl or an optionally substituted heteroaryl;

p, for each occurrence, is independently, 1 or 2;

R′ 5 is an optionally substituted heteroaryl or an optionally substituted aryl;

X is —O— or —S—;

R′ 6 is —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, cyano, halo, nitro, an optionally substituted cycloalkyl, haloalkyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, an optionally substituted heteroaralkyl, —OR 7 , —SR 7 , NR 10 R 11 , —OC(O)NR 10 R 11 , —SC(O)NR 10 R 11 , —NR 7 C(O)NR 10 R 11 , —OC(O)R 7 , —SC(O)R 7 , —NR 7 C(O)R 7 , —OC(O)OR 7 , —SC(O)OR 7 , —NR 7 C(O)OR 7 , —OCH 2 C(O)R 7 , —SCH 2 C(O)R 7 , —NR 7 CH 2 C(O)R 7 , —OCH 2 C(O)OR 7 , —SCH 2 C(O)OR 7 , —NR 7 CH 2 C(O)OR 7 , —OCH 2 C(O)NR 10 R 11 , —SCH 2 C(O)NR 10 R 11 , —NR 7 CH 2 C(O)NR 10 R 11 , —OS(O) p R 7 , —SS(O) p R 7 , —NR 7 S(O) p R 7 , —OS(O) p NR 10 R 11 , —SS(O) p NR 10 R 11 , —NR 7 S(O) p NR 10 R 11 , —OS(O) p OR 7 , —SS(O) p OR 7 , —NR 7 S(O) p OR 7 , —OC(S)R 7 , —SC(S)R 7 , —NR 7 C(S)R 7 , —OC(S)OR 7 , —SC(S)OR 7 , —NR 7 C(S)OR 7 , —OC(S)NR 10 R 11 , —SC(S)NR 10 R 11 , —NR 7 C(S)NR 10 R 11 , —OC(NR 8 )R 7 , —SC(NR 8 )R 7 , —NR 7 C(NR 8 )R 7 , —OC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —NR 7 C(NR 8 )OR 7 , —OC(NR 8 )NR 10 R 11 , —SC(NR 8 NR 10 R 11 , —NR 7 C(NR 8 )NR 10 R 11 , —C(O)R 7 , —C(O)OR 7 , —C(O)NR 10 R 11 , —C(O)SR 7 , —C(S)R 7 , —C(S)OR 7 , —C(S)NR 10 R 11 , —C(S)SR 7 , —C(NR 8 )OR 7 , —C(NR 8 )R 7 , —C(NR 8 )NR 10 R 11 , —C(NR 8 )SR 7 , —S(O) p OR 7 , —S(O) p NR 10 R 11 , or —S(O) p R 7 ;

R′ 17 , R 18 , and R 19 are each, independently, —H, —C(O)R 22 , or (alk)O(alk); provided that at least one of R′ 17 , R 18 , or R 19 is not —H;

R 22 , for each occurrence is independently optionally substituted alkyl, optionally substituted aryl, —O(alk), amino, alkyl amino, or dialkyl amino;

alk is a lower alkyl;

with the proviso that the compound is not

3-(2-Hydroxy-4-methoxymethyoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(2-hydroxy-ethoxy)-phenyl]-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(naphthalen-1-yl)-5-(dimethyl-carbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Dihydroxy-phenyl)-4-(naphthalen-1-yl)-5-(dimethylcarbamoylsulfanyl)-[1,2,4] triazole;

3-(2,4-Diethoxycarbonyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethoxycarbonylsulfanyl)- [1,2,4] triazole;

3-(2,4-Di-isobutyryloxy-phenyl)-4-(naphthalen-1-yl)-5-(isobutyrylsulfanyl)-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(quinolin-5-yl)-5-(dimethyl-carbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-(acetylsulfanyl)- [1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-(2,4-Diethylcarbamoyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethylcarbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(3-trifluoromethyl-phenyl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(1-methyl-indol-4-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-methoxy-phenyl)-4-(8-methoxy-quinolin-5-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-methoxy-phenyl)-4-(1-isopropyl-benzoimidazol-4-yl)-5-hydroxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-ethyl-phenyl)-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-chloro-phenyl]-4-(quinolin-5-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(2,3-difluoro-phenyl)-5-mercapto-[1,2,4] triazole; or

3-[2-Hydroxy-4-isobutyryloxy-5-ethyl-phenyl]-4-(1-methyl-benzo-imidazol-4-yl)-5-hydroxy-[1,2,4] triazole.

5. A method of treating breast cancer in a mammal, comprising administering to the mammal an effective amount of a compound selected from the group consisting of:

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof, wherein:

R 7 and R 8 , for each occurrence, is independently, —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl;

R 10 and R 11 , for each occurrence, is independently —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteraralkyl; or R 10 and R 11 , taken together with the nitrogen to which they are attached, form an optionally substituted heterocyclyl or an optionally substituted heteroaryl;

p, for each occurrence, is independently, 1 or 2;

R′ 5 is an optionally substituted heteroaryl or an optionally substituted aryl;

X is —O— or —S—;

R′ 6 is —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, cyano, halo, nitro, an optionally substituted cycloalkyl, haloalkyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, an optionally substituted heteroaralkyl, —OR 7 , —SR 7 , —NR 10 R 11 , —OC(O)NR 10 R 11 , —SC(O)NR 10 R 11 , —NR 7 C(O)NR 10 R 11 , —OC(O)R 7 , —SC(O)R 7 , —NR 7 C(O)R 7 , —OC(O)OR 7 , —SC(O)OR 7 , —NR 7 C(O)OR 7 , —OCH 2 C(O)R 7 , —SCH 2 C(O)R 7 , —NR 7 CH 2 C(O)R 7 , —OCH 2 C(O)OR 7 , —SCH 2 C(O)OR 7 , —NR 7 CH 2 C(O)OR 7 , —OCH 2 C(O)NR 10 R 11 , —SCH 2 C(O)NR 10 R 11 , —NR 7 CH 2 C(O)NR 10 R 11 , —OS(O) p R 7 , —SS(O) p R 7 , —NR 7 S(O) p R 7 , —OS(O) p NR 10 R 11 , —SS(O) p NR 10 R 11 , —NR 7 S(O) p NR 10 R 11 , —OS(O) p OR 7 , —SS(O) p OR 7 , —NR 7 S(O) p OR 7 , —OC(S)R 7 , —SC(S)R 7 , —NR 7 C(S)R 7 , —OC(S)OR 7 , —SC(S)OR 7 , —NR 7 C(S)OR 7 , —OC(S)NR 10 R 11 , —SC(S)NR 10 R 11 , —NR 7 C(S)NR 10 R 11 , —OC(NR 8 )R 7 , —SC(NR 8 )R 7 , —NR 7 C(NR 8 )R 7 , —OC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —NR 7 C(NR 8 )OR 7 , —OC(NR 8 )NR 10 R 11 , —SC(NR 8 )NR 10 R 11 , —NR 7 C(NR 8 )NR 10 R 11 , —C(O)R 7 , —C(O)OR 7 , —C(O)NR 10 R 11 —C(O)SR 7 , —C(S)R 7 , —C(S)OR 7 , —C(S)NR 10 R 11 , —C(S)SR 7 , —C(NR 8 )OR 7 , —C(NR 8 )R 7 , —C(NR 8 )NR 10 R 11 , —C(NR 8 )SR 7 , —S(O) p OR 7 , —S(O) p NR 10 R 11 , or —S(O) p R 7 ;

R′ 17 , R 18 , and R 19 are each, independently, —H, —C(O)R 22 , or (alk)O(alk); provided that at least one of R′ 17 , R 18 , or R 19 is not —H;

R 22 , for each occurrence is independently optionally substituted alkyl, optionally substituted aryl, —O(alk), amino, alkyl amino, or dialkyl amino;

alk is a lower alkyl;

ring F is an aryl or a heteroaryl, wherein the aryl or the heteroaryl are optionally further substituted with one or more substituents in addition to R 103 ;

ring G is an aryl or a heteroaryl, wherein the aryl or the heteroaryl are optionally further substituted with one or more substituents in addition to —T 1 —V 1 —T 2 —V 2 ;

R 100 is —OH, —SH, —NR 7 H, —OR' 26 , —O(CH 2 ) m OH, —O(CH 2 ) m SH, —(CH 2 ) m NR 7 H, —S(CH 2 ) m OH, —S(CH 2 ) m SH, —S(CH 2 ) m NR 7 H, —OC(O)NR 10 R 11 , —SC(O)NR 10 R 11 , —NR 7 C(O)NR 10 R 11 , —OC(O)R 7 , —SC(O)R 7 , —NR 7 C(O)R 7 , —OC(O)OR 7 , —SC(O)OR 7 , —NR 7 C(O)OR 7 , —OCH 2 C(O)R 7 , —SCH 2 C(O)R 7 , —NR 7 CH 2 C(O)R 7 , —OCH 2 C(O)OR 7 , —SCH 2 C(O)OR 7 , —NR 7 CH 2 C(O)OR 7 , —OCH 2 C(O)NR 10 R 11 , —SCH 2 C(O)NR 10 R 11 , —NR 7 CH 2 C(O)NR 10 R 11 , —OS(O) p R 7 , —SS(O) p R 7 , —S(O) p OR 7 , —SS(O) p NR 10 R 11 , —NR 7 S(O) p NR 10 R 11 —OS(O) p OR 7 —SS(O) p OR 7 , —NR 7 S(O) p OR 7 , —OC(S)R 7 , —SC(S)R 7 , —NR 7 C(S)R 7 , —OC(S)OR 7 , —SC(S)OR 7 , —NR 7 C(S)OR 7 , —OC(S)NR 10 R 11 , —SC(S)NR 10 R 11 , —NR 7 C(S)NR 10 R 11 , —OC(NR 8 )R 7 , —SC(NR 8 )R 7 , —NR 7 C(NR 8 )R 7 , —OC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —NR 7 C(NR 8 )OR 7 , —OC(NR 8 )NR 10 R 11 , —SC(NR 8 )NR 10 R 11 , —NR 7 C(NR 8 )NR 10 R 11 , —C(O)R 7 , —C(O)OR 7 , —C(O)NR 10 R 11 , —C(O)SR 7 , —C(S)R 7 , —C(S)OR 7 , —C(S)NR 10 R 11 , —C(S)SR 7 , —C(NR 8 )OR 7 , —C(NR 8 )R 7 , —C(NR 8 )NR 10 R 11 , —C(NR 8 )SR 7 , —S(O) p NR 10 R 11 , or —S(O) p R 7 ,

R 103 is —OH, —SH, —NR 7 H, —OR' 26 , —SR' 26 , —NHR' 26 , —O(CH 2 ) m OH, —O(CH 2 ) m SH, —O(CH 2 ) m SH, —O(CH 2 ) m NR 7 H, —S(CH 2 ) m OH, —S(CH 2 ) m SH, —S(CH 2 ) m NR 7 H, —OC(O)NR 10 R 11 , —SC(O)NR 10 R 11 , —NR 7 C(O)NR 10 NR 11 , —OC(O)R 7 , —SC(O)R 7 , —NR 7 C(O)R 7 , —OC(O)OR 7 , —SC(O)OR 7 , —NR 7 C(O)OR 7 , —OCH 2 C(O)R 7 , —SCH 2 C(O)R 7 , —NR 7 CH 2 C(O)R 7 , —OCH 2 C(O)OR 7 , —SCH 2 C(O)OR 7 , —NR 7 CH 2 C(O)OR 7 , —OCH 2 C(O)NR 10 R 11 , —SCH 2 C(O)NR 10 R 11 , —NR 7 CH 2 C(O)NR 10 R 11 , —OS(O) p R 7 , —SS(O) p R 7 , —S(O)OR 7 , —NR 7 S(O) p R 7 , —OS(O) p NR 10 R 11 , —SS(O) p NR 10 R 11 , —NR 7 S(O) p NR 10 R 11 , —OS(O) p OR 7 , —SS(O) p OR 7 , —NR 7 S(O) p OR 7 , —OC(S)R 7 , —SC(S)R 7 , —NR 7 C(S)R 7 , —OC(S)OR 7 , —SC(S)OR 7 , —NR 7 C(S)OR 7 , —OC(S)NR 10 R 11 , —SC(S)NR 10 R 11 , —NR 7 C(S)NR 10 R 11 , —OC(NR 8 )R 7 , —SC(NR 8 )R 7 , —NR 7 C(NR 8 )R 7 , —OC(NR 8 )OR 7 , —SC(NR 8 )OR 7 , —NR 7 C(NR 8 )OR 7 , —OC(NR 8 )NR 10 R 11 , —SC(NR 8 )NR 10 R 11 , —NR 7 C(NR 8 )NR 10 R 11 , —C(O)OH, —C(O)NHR 8 , —C(O)SH, —S(O)OH, —S(O) 2 OH, —S(O)NHR 8 , —S(O) 2 NHR 8 , —OP(O)(OR 7 ) 2 or —SP(O)(OR 7 ) 2 ;

T 1 is absent or a C1-C4 alkylene;

T 2 is absent or a C1-C4 alkylene, V 1 is absent and V 2 is —NR a R b , —NR a S(O) 2 R**, —S(O)NR a R b , S(O) 2 NR a R b or —C(O)NR a R b ; or

T 2 is absent or a C1-C4 alkylene, V 1 is —O—, —S—, —N(R')— or —C(O)N(R')— and V 2 is —S(O)NR a R b , S(O) 2 NR a R b or —C(O)NR a R b ; or

T 2 is a C 2 -C 4 alkylene, V 1 is —O—, —S—, —N(R')— or —C(O)N(R')— and V 2 is —NR a R b , or —NR a S(O) 2 R**;

each R* is independently —H or C1-C3 alkyl;

each R** is independently, —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, or an optionally substituted heteroaralkyl;

R a and R b , for each occurrence, are independently —H, an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl or heteroaryl, or an optionally substituted aralkyl; or R a and R b , taken together with the nitrogen to which they are attached, form an optionally substituted heteroaryl or heterocyclyl;

wherein when T 1 , T 2 and V 1 are absent and V 2 is —NR a R b then ring G is not phenyl, and when T 1 , T 2 and V 1 are absent and V 2 is —C(O)NR a R b then ring G is not naphthyl or indolyl;

m, for each occurrence, is independently, 1, 2, 3 or 4;

R′ 26 , for each occurrence is, independently, a C1-C6 alkyl;

with the proviso that the compound is not

3-(2-Hydroxy-4-methoxymethyoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(2-hydroxy-ethoxy)-phenyl]-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(naphthalen-1-yl)-5-(dimethyl-carbamoylsulfanyl)-[1,2,4] triazole;

3-(2,4-Dihydroxy-phenyl)-4-(naphthalen-1-yl)-5-(dimethylcarbamoylsulfanyl)-[1,2,4] triazole;

3-(2,4-Diethoxycarbonyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethoxycarbonylsulfanyl)- [1,2,4] triazole;

3-(2,4-Di-isobutyryloxy-phenyl)-4-(naphthalen-1-yl)-5-(isobutyrylsulfanyl)-[1,2,4] triazole;

3-[2,4-Di-(dimethyl-carbamoyloxy)-phenyl]-4-(quinolin-5-yl)-5-(dimethyl-carbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-(acetylsulfanyl)-[1,2,4] triazole;

3-(2,4-Diacetoxy-phenyl)-4-(naphthalen-1-yl)-5-mercapto-[1,2,4] triazole;

3-(2,4-Diethylcarbamoyloxy-phenyl)-4-(naphthalen-1-yl)-5-(ethylcarbamoylsulfanyl)- [1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(3-trifluoromethyl-phenyl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-ethyl-phenyl)-4-(1-methyl-indol-4-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2,4-Dihydroxy-5-methoxy-phenyl)-4-(8-methoxy-quinolin-5-yl)-5-carbamoyloxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-methoxy-phenyl)-4-(1-isopropyl-benzoimidazol-4-yl)-5-hydroxy-[1,2,4] triazole;

3-(2-Hydroxy-4-ethoxycarbonyoxy-5-ethyl-phenyl)-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(naphthalin-2-yl)-5-hydroxy-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-chloro-phenyl]-4-(quinolin-5-yl)-5-mercapto-[1,2,4] triazole;

3-[2-Hydroxy-4-(dimethyl-carbamoyoxy)-5-ethyl-phenyl]-4-(2,3-difluoro-phenyl)-5-mercapto-[1,2,4] triazole; or

3-[2-Hydroxy-4-isobutyryloxy-5-ethyl-phenyl]-4-(1-methyl-benzo-imidazol-4-yl)-5-hydroxy-[1,2,4] triazole.

6. The compound of claim 1 , wherein R′ 5 is represented by the following formula:

wherein:

R 9 , for each occurrence, is independently a substituent selected from the group consisting of an optionally substituted alkyl, an optionally substituted alkenyl, an optionally substituted alkynyl, an optionally substituted cycloalkyl, an optionally substituted cycloalkenyl, an optionally substituted heterocyclyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl, an optionally substituted heteraralkyl, hydroxyalkyl, alkoxyalkyl, halo, cyano, nitro, guanadino, a haloalkyl, a heteroalkyl, —NR 10 R 11 , —OR 7 , —C(O)R 7 , —C(O)OR 7 , —OC(O)R 7 , —C(O)NR 10 R 11 , —NR 8 C(O)R 7 , —SR 7 , —S(O) p R 7 , —OS(O) p R 7 , —S(O) p OR 7 , —NR 8 S(O) p R 7 , or —S(O) p NR 10 R 11 , —S(O) p OR 7 , —OP(O)(OR 7 ) 2 , or —SP(O)(OR 7 ) 2 ;

or two R 9 groups taken together with the carbon atoms to which they are attached form a fused ring; and

q is zero or an integer from 1 to 7.

7. The compound of claim 1 , wherein R′ 5 is represented by the following formula:

wherein:

R 33 is a halo, lower alkyl, a lower alkoxy, a lower haloalkyl, a lower haloalkoxy, and lower alkyl sulfanyl;

R 34 is H, a lower alkyl, or a lower alkylcarbonyl; and

Ring B and Ring C are optionally substituted with one or more substituents.

8. The compound of claim 1 , wherein R′ 6 is a C1-C6 alkyl, a C1-C6 haloalkyl, a C1-C6 alkoxy, a C1-C6 haloalkoxy, a C1-C6 alkyl sulfanyl or a C3-C6 cycloalkyl.

9. The compound of claim 1 , wherein R′ 6 is —H.

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

4-ethyl-6-(5-mercapto-4-(naphthalen-1-yl)-4H-1,2,4-triazol-3-yl)-1,3-phenylene bis(2,2-dimethylpropanoate);

4-ethyl-6-(5-mercapto-4-(naphthalen-1-yl)-4H-1,2,4-triazol-3-yl)-1,3-phenylene dibenzoate;

2-(5-mercapto-4-(naphthalen-1-yl)-4H-1,2,4-triazol-3-yl)-5-(2-methoxyethoxy)phenol;

4-(5-(ethylcarbamoylthio)-4-(naphthalen-1-yl)-4H-1,2,4-triazol-3-yl)-1,3-phenylene bis(dimethylcarbamate); or

5-hydroxy-2-isopropyl-4-(5-(3-methoxypropanoyloxy)-4-(1-methyl-1H-indol-5-yl)-4H-1,2,4-triazol-3-yl)phenyl 3-methoxypropanoate;

or a tautomer, a pharmaceutically acceptable salt, or a prodrug thereof.

11. A pharmaceutical composition, comprising a pharmaceutically acceptable carrier and a compound according to any one of claims 1 , 2 , 3 , 6 , 7 , 8 , 9 , or 10 .

12. The pharmaceutical composition of claim 11 , further comprising one or more therapeutic agents.

Assignments (2)
SECURITY INTEREST Recorded Jul 17, 2025
From: MADRIGAL PHARMACEUTICALS, INC.
To: LSI FINANCING LLC, AS ADMINISTRATIVE AGENT
Reel/Frame 072038/0693 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2008
From: SUN, LIJUN; YING, WEIWEN; CHAE, JUNGHYUN; PRZEWLOKA, TERESA; ZHANG, SHIJIE; CHIMMANAMADA, DINESH U.; FOLEY, KEVIN; DU, ZHENJIAN; LI, HAO; JAMES, DAVID; NG, HOWARD P.; DEMKO, ZACHARY; ZHOU, DAN; QIN, SHUZHEN
To: SYNTA PHARMACEUTICALS CORP.
Reel/Frame 020600/0655 →