IP Library Granted Patent US 7,285,671
Granted Patent B2
US 7,285,671 · App. 11/467,813 · Granted Oct 23, 2007

Materials and methods for treating coagulation disorders

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,285,671
App. No.
11/467,813
Granted
Oct 23, 2007
Kind
B2
Abstract

The subject invention provides anticoagulant compounds of formula I: and pharmaceutically acceptable salts thereof, wherein R 1 , R 3 , n and Ar are as defined herein. The compounds of the subject invention can be used to treat at-risk populations thereby bringing relief of symptoms, improving the quality of life, preventing acute and long-term complications, reducing mortality and treating accompanying disorders. The invention further comprises pharmaceutical compositions comprising the compounds and salts of the invention, as well as methods of using the compounds, salts, and compositions of the invention.

Claims (13)

1. A compound of the formula:

and pharmaceutically acceptable salts thereof, wherein R is C 1 -C 8 alkyl substituted with at least one chloro group.

2. A compound of claim 1 , wherein R is C 2 -C 8 alkyl substituted with at least one chloro group.

3. A compound according to claim 2 , wherein R is C 3 -C 7 alkyl substituted with at least one chloro group.

4. A compound according to claim 3 , wherein R is C 3 -C 6 substituted with at least one chloro group.

5. A compound according to claim 4 , wherein R is C 3 -C 6 substituted with at least two chloro groups.

6. A compound according to claim 5 , wherein R is a tert-butyl group substituted with six chloro groups.

7. A compound according to claim 6 , wherein R is

8. A compound according to claim 1 that is 1,1,1,3,3,3-hexachloro-2-methylpropan-2-yl 4-((4-hydroxy-2-oxo-2H-chromen-3-yl)methyl)benzoate, or pharmaceutically acceptable salts thereof.

9. A compound according to claim 1 that is 1,1,1,3,3,3-hexachloro-2-methylpropan-2-yl 4-((4-hydroxy-2-oxo-2H-chromen-3-yl)methyl)benzoate.

10. A pharmaceutically acceptable salt according to claim 1 that is the sodium or potassium salt of 1,1,1,3,3,3-hexachloro-2-methylpropan-2-yl 4-((4-hydroxy-2-oxo-2H-chromen-3-yl)methyl)benzoate.

11. A pharmaceutically acceptable salt according to claim 10 that is the sodium salt.

12. A composition comprising a compound or salt of claim 1 and at least one pharmaceutically acceptable glidant, solvent, adjuvant, diluent, lubricant, excipient, or combination thereof.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Oct 4, 2022
From: HORIZON TECHNOLOGY FINANCE CORPORATION
To: ESPERO BIOPHARMA, INC.
Reel/Frame 061299/0927 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2022
From: HESP LLC
To: CADRENAL THERAPEUTICS
Reel/Frame 059811/0221 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2020
From: ESPERO BIOPHARMA, INC.
To: HESP LLC
Reel/Frame 054150/0011 →
CHANGE OF NAME Recorded Jul 23, 2020
From: ARMETHEON, INC.
To: ESPERO BIOPHARMA, INC.
Reel/Frame 053293/0930 →
SECURITY INTEREST Recorded Apr 16, 2019
From: ESPERO BIOPHARMA, INC.
To: HORIZON TECHNOLOGY FINANCE CORPORATION
Reel/Frame 048918/0544 →
RELEASE OF SECURITY INTEREST Recorded Feb 6, 2013
From: AYER CAPITAL PARTNERS MASTER FUND, L.P.; MPM BIOVENTURES III, L.P.; MPM BIOVENTURES III-QP, L.P.; MPM BIOVENTURES III GMBH & CO. BETEILIGUNGS KG; MPM BIOVENTURES III PARALLEL FUND, L.P.; AYER CAPITAL PARTNERS KESTREL FUND, L.P.; MPM ASSET MANAGEMENT INVESTORS 2002 BVIII LLC
To: ARYX THERAPEUTICS, INC.
Reel/Frame 029767/0524 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2012
From: ARYX THERAPEUTICS
To: ARYX THERAPEUTICS, INC.
Reel/Frame 028347/0389 →
CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNEE WHICH SHOULD BE ARYX THERAPEUTICS PREVIOUSLY RECORDED ON REEL 022529 FRAME 0584. ASSIGNOR(S) HEREBY CONFIRMS THE NAME OF THE ASSIGNEE TO BE ARYX THERAPEUTICS AND NOT ARYX THERAPEUTICS, INC.. Recorded Jun 6, 2012
From: DRUZGALA, PASCAL; BECKER, CYRUS
To: ARYX THERAPEUTICS
Reel/Frame 028332/0196 →