IP Library Granted Patent US 8,895,563
Granted Patent B2
US 8,895,563 · App. 13/936,450 · Granted Nov 25, 2014

Human protein tyrosine phosphatase inhibitors and methods of use

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Quick Facts
Patent No.
US 8,895,563
App. No.
13/936,450
Granted
Nov 25, 2014
Kind
B2
Abstract

The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-β) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-β) inhibitors, and to methods for regulating angiogenesis.

Claims (122)

1. A method for controlling an angiogenesis regulated disease or disorder comprising, contacting a subject with an effective amount of a compound having the formula:

wherein R is a substituted or unsubstituted thiazolyl unit having the formula:

R 4 and R 5 are each independently chosen from:

i) hydrogen;

ii) substituted or unsubstituted C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl;

iii) substituted or unsubstituted phenyl;

iv) substituted or unsubstituted heteroaryl; or

R 4 and R 5 can be taken together to form a saturated or unsaturated ring having from 5 to 7 atoms;

said substitutions are independently chosen from one or more C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl, halogen, hydroxyl, or cyano units;

R 6 is a unit chosen from:

i) hydrogen;

ii) substituted or unsubstituted C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl;

iii) substituted or unsubstituted phenyl; and

iv) substituted or unsubstituted heteroaryl;

R 1 is chosen from:

i) hydrogen;

ii) C 1 -C 6 linear or C 3 -C 6 branched alkyl;

iii) substituted or unsubstituted phenyl; or

iv) substituted or unsubstituted benzyl;

R 2 is chosen from:

i) C 1 -C 6 linear or C 3 -C 6 branched alkyl; or

ii) C 1 -C 6 linear or C 3 -C 6 branched alkoxy;

R 3 is hydrogen or C 1 -C 4 linear or C 3 -C4 branched alkyl; or

a pharmaceutically acceptable salt thereof;

wherein the angiogenesis regulated disease or disorder is chosen from skeletal muscle and myocardial ischemia, stroke, coronary artery disease, or peripheral vascular disease.

2. The method according to claim 1 , wherein R has the formula:

3. The method according to claim 2 , wherein R 5 is hydrogen and R 4 is substituted or unsubstituted C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl.

4. The method according to claim 3 , wherein R 4 is chosen from methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tent-butyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, cyclopropyl, n-hexyl, and cyclohexyl.

5. The method according to claim 3 , wherein R 4 is chosen from units having the formulae —CH 2 F, —CHF 2 , —CF 3 , —CH 2 CF 3 , —CH 2 CH 2 CF 3 , —CH 2 Cl, —CH 2 OH, —CH 2 OCH 3 , —CH 2 CH 2 OH, —CH 2 CH 2 OCH 3 , —CH 2 NH 2 , —CH 2 NHCH 3 , —CH 2 N(CH 3 ) 2 , and —CH 2 NH(CH 2 CH 3 ).

6. The method according to claim 2 , wherein R 5 is hydrogen and R 4 is substituted or unsubstituted phenyl.

7. The method according to claim 6 , wherein R 4 is chosen from phenyl, 3,4-dimethylphenyl, 4-tert-butylphenyl, 4-cyclopropylphenyl, 4-diethylaminophenyl, 4-(trifluoromethyl)phenyl, 4-methoxyphenyl, 4-(difluoromethoxy)phenyl, 4-(trifluoromethoxy)phenyl, 3-chlorophenyl, 4-chlorophenyl, and 3,4-dichlorophenyl.

8. The method according to claim 2 , wherein R 5 is hydrogen and R 4 is substituted or unsubstituted heteroaryl.

9. The method according to claim 8 , wherein R 4 is a substituted or unsubstituted heteroaryl unit, said heteroaryl unit chosen from 1,2,3,4-tetrazol-1-yl ,1,2,3,4-tetrazol-5-yl, [1,2,3]triazol-4-yl, [1,2,3]triazol-5-yl, [1,2,4]triazol-4-yl, [1,2,4]triazol-5-yl, imidazol-2-yl, imidazol-4-yl, pyrrol-2-yl, pyrrol-3-yl, oxazol-2-yl, oxazol-4-yl, oxazol-5-yl, isoxazol-3 -yl, isoxazol-4-yl, isoxazol-5 -yl, [1,2,4]oxadiazol-3-yl, [1,2,4]oxadiazol-5-yl, [1,3,4]oxadiazol-2-yl, furan-2-yl, furan-3-yl, thiophen-2-yl, thiophen-3-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, [1,2,4]thiadiazol-3-yl, [1,2,4]thiadiazol-5-yl, and [1,3 ,4]thiadiazol-2-yl.

10. The method according to claim 1 , wherein R is a unit wherein R 4 and R 5 are taken together to form a saturated or unsaturated ring having from 5 to 7 atoms.

11. The method according to claim 10 , wherein R is 5,6-dihydro-4H-cyclopenta[c/]thiazol-2-yl or 4,5,6,7-tetrahydrobenzo[c/]thiazol-2-yl.

12. The method according to claim 1 , wherein R units have the formula

13. The method according to claim 12 , wherein R 6 is chosen from methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, and tent-butyl.

14. The method according to claim 13 , wherein R 6 is substituted or unsubstituted phenyl.

15. The method according to claim 14 , wherein R 6 is chosen from include phenyl, 2-fluorophenyl, 2-chlorophenyl, 2-methylphenyl, 2-methoxyphenyl, 3-fluorophenyl, 3-chlorophenyl, 3-methylphenyl, 3-methoxyphenyl, 4-fluorophenyl, 4-chlorophenyl, 4-methylphenyl, and 4-methoxyphenyl.

16. The method according to claim 12 , wherein R 6 is a substituted or unsubstituted heteroaryl unit, said heteroaryl unit chosen from 1,2,3,4-tetrazol-1-yl ,1,2,3,4-tetrazol-5-yl, [1,2,3]triazol-4-yl, [1,2,3]triazol-5-yl, [1,2,4]triazol-4-yl, [1,2,4]triazol-5-yl, imidazol-2-yl, imidazol-4-yl, pyrrol-2-yl, pyrrol-3-yl, oxazol-2-yl, oxazol-4-yl, oxazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, [1,2,4]oxadiazol-3-yl, [1,2,4]oxadiazol-5-yl, [1,3,4]oxadiazol-2-yl, furan-2-yl, furan-3-yl, thiophene-2-yl, thiophene-3-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, [1,2,4]thiadiazol-3-yl, [1,2,4]thiadiazol-5-yl, and [1,3,4]thiadiazol-2-yl, thiophen-2-yl, thiophen-3-yl, thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, 2,5-dimethylthiazol-4-yl, 2,4-dimethylthiazol-5-yl, 4-ethylthiazol-2-yl, oxazol-2-yl, oxazol-4-yl, oxazol-5-yl, and 3-methyl-1,2,4-oxadiazol-5-yl.

17. The method according to claim 12 , wherein R 6 has the formula:

R 7 is C 1 -C 4 substituted or unsubstituted alkyl and substituted or unsubstituted phenyl.

18. The method according to claim 1 , wherein R l is hydrogen.

19. The method according to claim 1 , wherein R l is benzyl.

20. The method according to claim 1 , wherein R 1 is C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 alkyl.

21. The method according to claim 20 , wherein R 1 is iso-propyl.

22. The method according to claim 1 , wherein R 2 is a unit having the formula:

—OR 8

wherein R 8 is chosen from methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tert-butyl, n-pentyl, or n-hexyl.

23. The method according to claim 22 , wherein R 8 is methyl, ethyl, or tert-butyl.

24. The method according to claim 1 , wherein R 2 is chosen from methyl or tert-butyl.

25. The method according to claim 1 , wherein R 3 is hydrogen.

26. The method according to claim 1 , wherein the compound is chosen from:

wherein R 2 is chosen from:

i) C 1 -C 6 linear or C 3 -C 6 branched alkyl; or

ii) C 1 -C 6 linear or C 3 -C 6 branched alkoxy;

R 4 and R 5 are each independently chosen from:

i) hydrogen;

ii) substituted or unsubstituted C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl;

iii) substituted or unsubstituted phenyl;

iv) substituted or unsubstituted heteroaryl; or

R 4 and R 5 can be taken together to form a saturated or unsaturated ring having from 5 to 7 atoms;

R 6 is a unit chosen from:

i) hydrogen;

ii) substituted or unsubstituted C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl;

iii) substituted or unsubstituted phenyl; and

iv) substituted or unsubstituted heteroaryl.

27. The method according to claim 1 , wherein the compound is chosen from;

4-{(S)-2-[(S)-2-(tert-Butoxycarbonylamino)-3 -phenylpropanamido]-2-(4-ethylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[(R)-2-(tert-Butoxycarbonylamino)-3-phenylpropanamido]-2-(4-ethylthiazol-2-yl)ethyl}phenylsulfamic acid;

{1-[1-(5 -Ethylthiazol-2-yl)-(S)-2-(4-sulfoaminophenyl)ethylcarbamoyl]-(S)-2-phenylethyl}methyl carbamic acid tert-butyl ester;

{(S)-2-Phenyl-1-[1-(2-phenylthiazol-2-yl)-(S)-2-(4-sulfoaminophenyl)ethyl -carbamoyl]ethyl}carbamic acid tert-butyl ester

4-{(S)-2-(4-Ethylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(thiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(4-methylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(4-propylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-(4-tert-Butylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-(4-Cyclopropylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-(4-Cyclohexylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenyl -propanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-(4,5-Dimethylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenyl -propanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-(4-Ethyl-5-methylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenyl -propanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[4-(2,2,2-trifluoroethyl)thiazol-2-yl]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido)-2-[4-(3,3,3-trifluoropropyl)thiazol-2-yl]ethyl}phenylsulfamic acid;

4-{(S)-2-[4-(2,2-Difluorocyclopropyl)thiazol-2-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[4-(methoxy -methyl)thiazol-2-yl]ethyl}phenylsulfamic acid;

4-{(S)-2-(4-(Ethoxycarbonyl)thiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(5-phenylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-(4-Ethyl-5-phenylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenyl -propanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[4-(3,4-Dimethylphenyl)thiazol-2-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[4-(4-Chlorophenyl)thiazol-2-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[4-(thiophen-2-yl)thiazol-2-yllethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[4-(thiophen-3-yl)thiazol-2-yllethyl}phenylsulfamic acid;

4-{(S)-2-(5,6-Dihydro-4H-cyclopenta[c/]thiazol-2-yl)-2-[(S)-2-(methoxy-carbonylamino) -3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[4-(5-Chlorothiophen-2-yl)thiazol-2-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Ethoxycarbonylamino)-3-phenylpropanamido]-2-(4-ethylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(2-ethylthiazol-4-yl) ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(2-methylthiazol-4-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-(2-Ethylthiazole-4-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropan -amido]ethyl}phenylsulfamic acid;

4-{(S)-2-(2-Isopropylthiazol-4-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropan -amido]ethyl}phenylsulfamic acid;

4-{(S)-2-(2-Cyclopropylthiazol-4-yl)-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-{2-[(4-Chlorophenylsulfonyl)methyl]thiazol-4-yl}-2-[(S)-2-(methoxy -carbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[2-(tert-Butylsulfonylmethyl)thiazol-4-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropionamido]-2-(2-phenylthiazole-4-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-242-(thiophen-2-yl)thiazol-4-yl]ethyl}phenylsulfamic acid;

4-{(S)-2-[2-(3-Chlorothiophen-2-yl)thiazol-4-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[2-(3-methylthiophen-2-yl)thiazol-4-yl]ethyl}phenylsulfamic acid;

4-{[(S)-2-(2-(Furan-2-yl)thiazol-4-yl]-2-[(S)-2-(methoxycarbonylamino)-3-phenylpropanamido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[2-(2-methylthiazole -4-yl)thiazole-4yl]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-(2-pyrazine-2-yl)thiazole-4-yl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-3-phenylpropanamido]-2-[2-(6-methylpyridin -3-yl)thiazol-4-yl]ethyl}phenylsulfamic acid;

4-[(S)-2-((S)-2-Acetamido-3-phenylpropanamido)-2-(4-ethylthiazol-2-yl)ethyl]phenylsulfamic acid;

4-[(S)-2-((S)-2-Acetamido-3-phenylpropanamido)-2-(4-tert-butylthiazol-2-yl)ethyl]phenylsulfamic acid;

4-{(S)-2-((S)-2-Acetamido-3-phenylpropanamido)-2-[4-(thiophen-3-yl)thiazol-2-yflethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(tert-Butoxycarbonylamino)-3-methylbutanamido]-2-(4-ethylthiazol-2-yl)ethyl}phenylsulfamic acid;

(S)-4-{2-[2-(tert-Butoxycarbonylamino)acetamido]-2-(4-ethylthiazol-2-yl)ethyl}phenyl -sulfamic acid;

(S)-4-{2-(4-Ethylthiazol-2-yl)-2-[2-(methoxycarbonylamino)acetamido]ethyl}phenyl -sulfamic acid;

4-{(S)-2-(4-Ethylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-3-methylbutanamido]-ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(tert-Butoxycarbonylamino)-4-methylpentanamido]-2-(4-ethylthiazol-2-yl)ethyl}phenylsulfamic acid;

4-{(S)-2-(4-Ethylthiazol-2-yl)-2-[(S)-2-(methoxycarbonylamino)-4-methylpentan -amido]ethyl}phenylsulfamic acid;

4-{(S)-2-[(S)-2-(tert-Butoxycarbonylamino)-4-methylpentanamido]-2-[2-(thiophen-2-yl)thiazol-4-yl]ethyl}phenylsulfamic acid; and

4-{(S)-2-[(S)-2-(Methoxycarbonylamino)-4-methylpentanamido]-2-[2-(thiophen-2-yl)thiazol-4-yl]ethyl}phenylsulfamic acid.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 9, 2021
From: AERPIO PHARMACEUTICALS, INC.
To: EYEPOINT PHARMACEUTICALS, INC.
Reel/Frame 057448/0033 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2020
From: AERPIO THERAPEUTICS LLC
To: AERPIO PHARMACEUTICALS, INC.
Reel/Frame 052432/0789 →
CHANGE OF NAME Recorded Sep 25, 2019
From: AERPIO THERAPEUTICS, INC.
To: AERPIO THERAPEUTICS LLC
Reel/Frame 051730/0213 →
CORRECTIVE ASSIGNMENT TO CORRECT THE CORRECT TYPOGRAPHICAL ERROR AND ADD "," AFTER AERPIO THERAPEUTICS AND BEFORE INC. PREVIOUSLY RECORDED ON REEL 032821 FRAME 0900. ASSIGNOR(S) HEREBY CONFIRMS THE PATENT ASSIGNMENT. Recorded Sep 19, 2019
From: GRAY, JEFFREY LYLE; CLARK, CYNTHIA MONESA; NICHOLS, RYAN MATTHEW; MAIER, MATTHEW B.; AMARASINGHE, KANDE K.
To: AERPIO THERAPEUTICS, INC.
Reel/Frame 050432/0400 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 5, 2014
From: GRAY, JEFFREY LYLE; AMARASINGHE, KANDE K. D.; CLARK, CYNTHIA MONESA; NICHOLS, RYAN MATTHEW; MAIER, MATTHEW B.
To: AERPIO THERAPEUTICS INC
Reel/Frame 032821/0900 →