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Claims for Patent: 6,596,750

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Claims for Patent: 6,596,750

Title: Substituted 3,5-diphenyl-1,2,4-triazoles and their use as pharmaceutical metal chelators
Abstract:The use is described of 3,5-diphenyl-1,2,4-triazoles of the formula I ##STR1## in which R.sub.1 -R.sub.5 are as defined in the description. The compounds have useful pharmaceutical properties and are particularly active as iron chelators. They can be used for the treatment of iron overload in warm-blooded animals.
Inventor(s): Lattmann; Rene (Binningen, CH), Acklin; Pierre (Basel, CH)
Assignee: Novartis AG (Basel, CH)
Application Number:10/252,899
Patent Claims: 1. A method of treating diseases which cause an excess of metal in a human or animal body or are caused by an excess of metal in a human or animal body comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound of formula I ##STR7##

in which R.sub.1 and R.sub.5 simultaneously or independently of one another are hydrogen, halogen, hydroxyl, lower alkyl, halo-lower alkyl, lower alkoxy, halo-lower alkoxy, carboxyl, carbamoyl, N-lower alkylcarbamoyl, N,N-di-lower alkylcarbamoyl or nitrile; R.sub.2 and R.sub.4 simultaneously or independently of one another are hydrogen, unsubstituted or substituted lower alkanoyl or aroyl, or a protective group; R.sub.3 is hydrogen, lower alkyl, hydroxy-lower alkyl, halo-lower alkyl, carboxy-lower alkyl, lower alkoxycarbonyl-lower alkyl, R.sub.6 R.sub.7 N--C(O)-lower alkyl, unsubstituted or substituted aryl or aryl-lower alkyl, or unsubstituted or substituted heteroaryl or heteroaralkyl; R.sub.6 and R.sub.7 simultaneously or independently of one another are hydrogen, lower alkyl, hydroxy-lower alkyl, alkoxy-lower alkyl, hydroxyalkoxy-lower alkyl, amino-lower alkyl, N-lower alkylamino-lower alkyl, N,N-di-lower alkylamino-lower alkyl, N-(hydroxy-lower alkyl)amino-lower alkyl, N,N-di(hydroxy-lower alkyl)amino-lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring;

or a pharmaceutically acceptable salt thereof.

2. The method according to claim 1 wherein the metal is iron.

3. A method of treating diseases which cause an excess of metal in a human or animal body or are caused by an excess of metal in a human or animal body comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound of formula (II) ##STR8##

wherein each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; lower alkyl; halo-lower alkyl; lower alkoxy; halo-lower alkoxy; carboxyl; carbamoyl; N-lower alkylcarbamoyl; N,N-di-lower alkylcarbamoyl; or nitrile; each of R.sub.2 and R.sub.4, independently, is hydrogen; unsubstituted or substituted lower alkanoyl or aroyl; or a protective group; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; unsubstituted or substituted aryl; aryl-lower alkyl substituted by N-lower alkylamino, N,N-di-lower alkylamino or pyrrolidino; or unsubstituted or substituted heteroaryl or heteroaralkyl, with the proviso that R.sub.3 is not phenyl or phenyl substituted by halogen, nitro, nitrile, hydroxyl, lower alkyl, halo-lower alkyl, lower alkoxy or lower alkoxycarbonyl if R.sub.2 and R.sub.4 are hydrogen, and R.sub.1 and R.sub.5 are hydrogen, halogen, lower alkyl, halo-lower alkyl, lower alkoxy or nitrile; and each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; N,N-di(hydroxy-lower alkyl)amino-lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring;

or a pharmaceutically acceptable salt thereof.

4. The method according to claim 3 wherein a compound of formula (II) is administered in each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; lower alkyl; halo-lower alkyl; lower alkoxy; or halo-lower alkoxy; each of R.sub.2 and R.sub.4, independently, is hydrogen; or a protective group; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; substituted aryl; aryl-lower alkyl substituted by N-lower alkylamino, N,N-di-lower alkyl amino or pyrrolidino; or unsubstituted or substituted heteroaryl or heteroaralkyl with the proviso that R.sub.3 is not phenyl or phenyl substituted by halogen, nitro, nitrile, hydroxyl, lower alkyl, halo-lower alkyl, lower alkoxy or lower alkoxycarbonyl if R.sub.2 and R.sub.4 are hydrogen, and R.sub.1 and R.sub.5 are hydrogen, halogen, lower alkyl, halo-lower alkyl or lower alkoxy or nitrile; and each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; N,N-di(hydroxy-lower alkyl)amino-lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring;

or a pharmaceutically acceptable salt thereof.

5. The method according to claim 3 wherein a compound of formula (II) is administered in which each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; or lower alkyl; R.sub.2 and R.sub.4 are hydrogen; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; aryl substituted by carboxyl or R.sub.8 R.sub.9 N--C(O)--; aryl-lower alkyl substituted by N-lower alkylamino, N,N-di-lower alkylamino or pyrrolidino; or unsubstituted or substituted heteroaralkyl; each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; N,N-di(hydroxy-lower alkyl)amino-lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring; each of R.sub.8 and R.sub.9, independently, is hydrogen; lower alkyl or, together with the nitrogen atom to which they are bonded, form an azaalicyclic ring;

or a pharmaceutically acceptable salt thereof.

6. A method of treating diseases which cause an excess of metal in a human or animal body or are caused by an excess of metal in a human or animal body comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound selected from the group consisting of: {4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]phenyl}-(4-methylpiperazin -1-yl)methanone; {4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]phenyl}morpholin-4-ylmetha none; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-1-(4-methylpiperazin-1-yl) ethanone; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-1-morpholin-4-yl-ethanone; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N,N-bis(2-hydroxyethyl)ace tamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-1-N,N-dimethylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2,3-dihydroxypropyl)ace tamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-dimethylaminoethyl)-N -methylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxy-1-hydroxymeth ylethyl)acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)-N-methy lacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-methoxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-morpholin-4-yl-ethyl) acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-(2-hydroxyethoxy)ethy l]acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-(4-methylpiperazin-1- yl)ethyl]acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide; 2-[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazole-1-yl]-N-(2-morpholin-4 -yl-ethyl)acetamide; 3,5-bis(2-hydroxyphenyl)-1-(4-diethylaminobenzyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(4-pyrrolidin-1-ylbenzyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(pyridin-3-ylmethyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(pyridin-4-ylmethyl)-1H-[1,2,4]triazole; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(4-dimethylaminobenzyl)-1H-[1,2,4]triaz ole; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(pyridin-2-ylmethyl)-1H-[1,2,4]triazole ; 4-[3,5-bis(2-hydroxy-5-methylphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(5-fluoro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; N-{2-[bis(2-hydroxyethyl)amino]ethyl}-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]tr iazol-1-yl]acetamide; and N-benzyl-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide ;

or a pharmaceutically acceptable salt thereof.

7. The method according to claim 3 wherein the metal is iron.

8. A method of treating iron overload comprising administering a subject in need of such treatment a therapeutically effective amount of a compound of claim 3, or a pharmaceutically acceptable salt thereof.

9. A method of treating diseases which cause an excess of metal in a human or animal body or are caused by an excess of metal in a human or animal body comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound of formula (II) ##STR9##

wherein each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; lower alkyl; halo-lower alkyl; lower alkoxy; halo-lower alkoxy; carboxyl; carbamoyl; N-lower alkylcarbamoyl; N,N-di-lower-alkylcarbamoyl; or nitrile; each of R.sub.2 and R.sub.4, independently, is hydrogen; unsubstituted lower alkanoyl; lower alkanoyl substituted by halogen, hydroxyl, lower alkoxy, trifluoromethyl, cyclo-lower alkyl or phenyl; unsubstituted aroyl; or aroyl substituted by one or two substituents selected from lower alkyl, lower alkoxy, hydroxyl, nitro, halogen, trifluoromethyl, carboxyl, lower alkoxycarbonyl, amino, N-lower alkylamino, N,N-di-lower alkylamino, aminocarbonyl, lower alkylaminocarbonyl, di-lower alkylaminocarbonyl and nitrile; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; aryl substituted by one or two substituents selected from lower alkyl, lower alkoxy, hydroxyl, nitro, halogen, trifluoromethyl, carboxyl, lower alkoxycarbonyl, amino, N-lower alkylamino, N,N-di-lower alkylamino, aminocarbonyl, lower alkylaminocarbonyl, di-lower alkylaminocarbonyl and nitrile; or aryl-lower alkyl substituted by N-lower alkylamino or N,N-di-lower alkylamino;

with the proviso that R.sub.3 is not phenyl substituted by halogen, nitro, nitrile, hydroxyl, lower alkyl, trifluoromethyl, lower alkoxy or lower alkoxycarbonyl if R.sub.2 and R.sub.4 are hydrogen, and R.sub.1 and R.sub.5 are hydrogen, halogen, lower alkyl, halo-lower alkyl, lower alkoxy or nitrile; and each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; or N,N-di(hydroxy-lower alkyl)amino-lower alkyl;

or a pharmaceutically acceptable salt thereof.

10. The method of claim 9 wherein a compound of formula (II) is administered in which each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; lower alkyl; halo-lower alkyl; lower alkoxy; or halo-lower alkoxy; each of R.sub.2 and R.sub.4 is hydrogen; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; aryl substituted by one or two substituents selected from lower alkyl, lower alkoxy, hydroxyl, nitro, halogen, trifluoromethyl, carboxyl, lower alkoxycarbonyl, amino, N-lower alkylamino, N,N-di-lower alkylamino, aminocarbonyl, lower alkylaminocarbonyl, di-lower alkylaminocarbonyl and nitrile; or aryl-lower alkyl substituted by N-lower alkylamino or N,N-di-lower alkylamino;

with the proviso that R.sub.3 is not phenyl substituted by halogen, nitro, nitrile, hydroxyl, lower alkyl, trifluoromethyl, lower alkoxy or lower alkoxycarbonyl if R.sub.1 and R.sub.5 are hydrogen, halogen, lower alkyl, halo-lower alkyl or lower alkoxy; and each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; or N,N-di(hydroxy-lower alkyl)amino-lower alkyl;

or a pharmaceutically acceptable salt thereof.

11. The method according to claim 9 wherein a compound of formula (II) is administered in which each of R.sub.1 and R.sub.5, independently, is hydrogen; halogen; or lower alkyl; each of R.sub.2 and R.sub.4 is hydrogen; R.sub.3 is R.sub.6 R.sub.7 N--C(O)-lower alkyl; aryl substituted by carboxyl or R.sub.8 R.sub.9 N--C(O)--; or aryl-lower alkyl substituted by N-lower alkylamino or N,N-di-lower alkylamino; each of R.sub.6 and R.sub.7, independently, is hydrogen; lower alkyl; hydroxy-lower alkyl; alkoxy-lower alkyl; hydroxyalkoxy-lower alkyl; amino-lower alkyl; N-lower alkylamino-lower alkyl; N,N-di-lower alkylamino-lower alkyl; N-(hydroxy-lower alkyl)amino-lower alkyl; or N,N-di(hydroxy-lower alkyl)amino-lower alkyl; and each of R.sub.8 and R.sub.9, independently, is hydrogen or lower alkyl;

or a pharmaceutically acceptable salt thereof.

12. The method according to claim 9 wherein the compound which is administered is selected from the group consisting of: 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N,N-bis(2-hydroxyethyl)ace tamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N,N-dimethylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2,3-dihydroxypropyl)ace tamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-dimethylaminoethyl)-N -methylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxy-1-hydroxymeth ylethyl)acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)-N-methy lacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-methoxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-(2-hydroxyethoxy)ethy l]acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide; 3,5-bis(2-hydroxyphenyl)-1-(4-diethylaminobenzyl)-1H-[1,2,4]triazole; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(4-dimethylaminobenzyl)-1H-[1,2,4]triaz ole; 4-[3,5-bis(2-hydroxy-5-methylphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(5-fluoro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; N-{2-[bis(2-hydroxyethyl)amino]ethyl}-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]tr iazol-1-yl]acetamide; and N-benzyl-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide ;

or a pharmaceutically acceptable salt thereof.

13. The method according to claim 9 wherein the compound which is administered is 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid, or a pharmaceutically acceptable salt thereof.

14. The method according to claim 9 wherein the compound which is administered is 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid, or a pharmaceutically acceptable salt thereof.

15. The method according to claim 9 wherein the metal is iron.

16. A method of treating iron overload comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound of formula II, as claimed in claim 9, or a pharmaceutically acceptable salt thereof.

17. The method according to claim 16 wherein the compound which is administered is 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid, or a pharmaceutically acceptable salt thereof.

18. A method of treating diseases which cause an excess of metal in a human or animal body or are caused by an excess of metal in a human or animal body comprising administering to a subject in need of such treatment a therapeutically effective amount of a compound selected from the group consisting of: 3,5-bis(2-hydroxyphenyl)-1-(2-hydroxyethyl)-1H-[1,2,4]triazole; ethyl[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]acetate; 3,5-bis(2-hydroxyphenyl)-1-(2,2,2-trifluoroethyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(4-nitrophenyl)-1H-[1,2,4]triazole; 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; {4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-phenyl}morpholin-4-yl-met hanone; {4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-phenyl}-(4-methylpiperazi n-1-yl)-methanone; 3,5-bis(2-hydroxyphenyl)-1-(4-methoxyphenyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(2,4-difluorophenyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-benzyl-1H-[1,2,4]triazole; 4-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-ylmethyl]benzonitrile; 3,5-bis(2-hydroxyphenyl)-1-(4-diethylaminobenzyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(4-pyrrolidin-1-ylbenzyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(pyridin-4-ylmethyl)-1H-[1,2,4]triazole; 3,5-bis(2-hydroxyphenyl)-1-(pyridin-3-ylmethyl)-1H-[1,2,4]triazole; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(2-hydroxyethyl)-1H-[1,2,4]triazole; 4-[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(pyridin-2-ylmethyl)-1H-[1,2,4]triazole ; 3,5-bis(5-chloro-2-hydroxyphenyl)-1-(4-dimethylaminobenzyl)-1H-[1,2,4]triaz ole; 4-[3,5-bis(5-fluoro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoic acid; 4-[3,5-bis(2-hydroxy-5-methylphenyl)-[1,2,4]triazol-1-yl]benzoic acid; [3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]acetic acid; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-methoxyethyl)acetamid e; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2,3-di-hydroxypropyl)ac etamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-morpholin-4-yl-ethyl) acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-hydroxyethyl)-N-methy lacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-(2-hydroxyethoxy)ethy l]-acetamide; N-{2-[bis(2-hydroxyethyl)amino]ethyl}-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]tr iazol-1-yl]acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-hydroxy-1-hydroxymeth ylethyl)acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-[2-(4-methylpiperazin-1- yl)-ethyl]acetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N,N-di-methylacetamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-1-morpholin-4-ylethanone; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-1-(4-methylpiperazin-1-yl) -ethanone; N-benzyl-2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-methylacetamide ; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N,N-bis(2-hydroxyethyl)-ac etamide; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-dimethylaminoethyl)-N -methylacetamide; 2-[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-N-(2-morpholin-4- yl-ethyl)acetamide; ethyl[3,5-bis(5-chloro-2-hydroxyphenyl)-[1,2,4]triazol-1-yl]acetate; 2-[3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]-benzoic acid; and ethyl-4-(3,5-bis(2-hydroxyphenyl)-[1,2,4]triazol-1-yl]benzoate;

or a pharmaceutically acceptable salt thereof.
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