IP Library Granted Patent US 9,284,285
Granted Patent B2
US 9,284,285 · App. 14/252,140 · Granted Mar 15, 2016

Human protein tyrosine phosphatase inhibitors and methods of use

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Quick Facts
Patent No.
US 9,284,285
App. No.
14/252,140
Granted
Mar 15, 2016
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 (17)

1. A compound having the formula:

wherein R is a thiazolyl unit having the formula:

R 4 and R 6 are each chosen from:

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

ii) substituted or unsubstituted phenyl; and

iii) substituted or unsubstituted thiophenyl; and

R 2 is C 1 -C 6 linear or C 3 -C 6 branched alkoxy; or

a pharmaceutically acceptable salt thereof.

2. The compound according to claim 1 , wherein R 4 is C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl.

3. The compound according to claim 2 , wherein R 4 is ethyl.

4. The compound according to claim 1 , wherein R 6 is C 1 -C 6 linear, C 3 -C 6 branched, or C 3 -C 6 cyclic alkyl.

5. The compound according to claim 4 , wherein R 6 is ethyl.

6. The compound according to claim 1 , wherein R 4 is thiophen-2-yl.

7. The compound according to claim 1 , wherein R 6 is thiophen-2-yl.

8. The compound according to claim 1 , wherein R 2 is C 1 -C 6 linear alkoxy.

9. The compound according to claim 8 , wherein R 2 is methoxy.

10. The compound according to claim 1 , wherein the compound is the sodium salt.

Assignments (4)
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 Jul 31, 2019
From: AERPIO THERAPEUTICS, INC.
To: AERPIO THERAPEUTICS LLC
Reel/Frame 049922/0273 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 27, 2015
From: GRAY, JEFFREY LYLE; CLARK, CYNTHIA MONESA; MAIER, MATTHEW B.; AMARASINGHE, KANDE K.D.; NICHOLS, RYAN MATTHEW
To: AERPIO THERAPEUTICS, INC.
Reel/Frame 035718/0839 →