IP Library Granted Patent US 9,174,941
Granted Patent B2
US 9,174,941 · App. 13/939,818 · Granted Nov 3, 2015

Pyrazolyl and pyrimidinyl tricyclic enones as antioxidant inflammation modulators

Inventors: Eric Anderson (Southlake, TX); Gary L. Bolton (Ann Arbor, MI); Bradley Caprathe (Livonia, MI); Xin Jiang (Coppell, TX); Chitase Lee (Ann Arbor, MI); William H. Roark (Ann Arbor, MI); Melean Visnick (Irving, TX)
Assignee: Reata Pharmaceuticals, Inc.
C07D231/54C07D239/70C07D401/04C07D403/04C07D413/04C07D417/04C07D487/04
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Quick Facts
Patent No.
US 9,174,941
App. No.
13/939,818
Granted
Nov 3, 2015
Kind
B2
Abstract

Disclosed herein are novel antioxidant inflammation modulators, including those of the formula: wherein the variables are defined herein. Also provided are pharmaceutical compositions, kits and articles of manufacture comprising such compounds. Methods and intermediates useful for making the compounds, and methods of using the compounds and compositions thereof are also provided.

Claims (17)

1. A compound of the formula:

wherein:

R 1 and R 2 are each methyl;

R 3 is hydrogen; and

R 4 is:

hydrogen; or

alkyl (C≦12) , alkenyl (C≦12) , alkynyl (C≦12) , aryl (C≦12) , aralkyl (C≦12) , hetero-aryl (C≦12) , acyl (C≦12) or a substituted version of any of these groups, wherein one or more hydrogen atom has been independently replaced by —OH, —F, —Cl, —Br, —I, —NH 2 , —NO 2 , —CO 2 H, —CO 2 CH 3 , —CN, —SH, —OCH 3 , —OCH 2 CH 3 , —C(O)CH 3 , —N(CH 3 ) 2 , —C(O)NH 2 , —OC(O)CH 3 , or —S(O) 2 NH 2 ;

or a pharmaceutically acceptable salt or tautomer thereof.

2. The compound of claim 1 , wherein R 4 is aryl (C≦8) .

3. The compound of claim 2 , wherein R 4 is phenyl.

4. The compound of claim 1 , wherein R 4 is alkyl (C≦6) .

5. The compound of claim 4 , wherein R 4 is t-butyl.

6. The compound of claim 1 , further defined as:

7. A pharmaceutical composition comprising:

a) the compound of claim 1 ;

b) an optical isomer of the compound, wherein the optical isomer is the enantiomer of the compound; and

c) an excipient.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded Apr 9, 2025
From: BIOPHARMA CREDIT PLC
To: REATA PHARMACEUTICALS HOLDINGS, LLC; REATA PHARMACEUTICALS GLOBAL, INC.; REATA PHARMACEUTICALS, INC.
Reel/Frame 070793/0228 →
RELEASE OF SECURITY INTEREST Recorded Apr 9, 2025
From: BIOPHARMA CREDIT PLC
To: REATA PHARMACEUTICALS HOLDINGS, LLC; REATA PHARMACEUTICALS GLOBAL, INC.; REATA PHARMACEUTICALS, INC.
Reel/Frame 070793/0130 →
AMENDED AND RESTATED PATENT SECURITY AGREEMENT Recorded Jul 12, 2023
From: REATA PHARMACEUTICALS HOLDINGS, LLC; REATA PHARMACEUTICALS GLOBAL, INC.; REATA PHARMACEUTICALS, INC.
To: BIOPHARMA CREDIT PLC
Reel/Frame 064264/0557 →
PATENT SECURITY AGREEMENT Recorded May 18, 2023
From: REATA PHARMACEUTICALS HOLDINGS, LLC; REATA PHARMACEUTICALS GLOBAL, INC.; REATA PHARMACEUTICALS, INC.
To: BIOPHARMA CREDIT PLC
Reel/Frame 063697/0461 →
RELEASE OF SECURITY INTEREST Recorded Jun 24, 2020
From: OXFORD FINANCE LLC, AS COLLATERAL AGENT
To: REATA PHARMACEUTICALS, INC.
Reel/Frame 053034/0018 →
SECURITY INTEREST Recorded Jun 14, 2018
From: REATA PHARMACEUTICALS, INC.
To: OXFORD FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 046357/0605 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 14, 2015
From: ANDERSON, ERIC; JIANG, XIN; VISNICK, MELEAN
To: REATA PHARMACEUTICALS, INC.
Reel/Frame 036788/0181 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 14, 2015
From: AAPHARMASYN LLC
To: REATA PHARMACEUTICALS, INC.
Reel/Frame 036788/0411 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 14, 2015
From: BOLTON, GARY L.; CAPRATHE, BRADLEY; LEE, CHITASE; ROARK, WILLIAM H.
To: AAPHARMASYN L.L.C
Reel/Frame 036788/0325 →
Continuity (3)
Continuation 13330378 · Dec 19, 2011
Provisional Application 61424601 · Dec 17, 2010
Related Publication 20140051739A1 · Feb 20, 2014