IP Library Granted Patent US 10,774,056
Granted Patent B2
US 10,774,056 · App. 16/507,727 · Granted Sep 15, 2020

Substituted piperazines as selective HDAC1,2 inhibitors

Inventors: John H. van Duzer (Concord, MA); Ralph Mazitschek (Weston, MA)
Assignee: REGENACY PHARMACEUTICALS, INC.
C07D295/155A61P7/00A61P35/00A61P35/02C07D213/40C07D213/82C07D215/48C07D263/48C07D277/56C07D307/52C07D333/20C07D401/04C07D401/12C07D401/14C07D405/12C07D405/14C07D409/12C07D409/14C07D413/04C07D413/12C07D417/12C07D417/14
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Quick Facts
Patent No.
US 10,774,056
App. No.
16/507,727
Granted
Sep 15, 2020
Kind
B2
Abstract

Provided herein are substituted piperazine compounds, pharmaceutical compositions comprising such compounds, and methods of using such compounds to treat diseases or disorders associated with HDAC1 and/or HDAC2 activity.

Claims (12)

1. A compound of Formula (III):

or a pharmaceutically acceptable salt thereof,

wherein:

R 5 is furanyl;

R 6 is H or C 1 -C 4 alkyl, wherein the C 1 -C 4 alkyl is optionally substituted with one or more substituents independently selected from the group consisting of halogen, CN, NO 2 , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C(O)—C 1 -C 6 alkyl, and OC 1 -C 6 alkyl;

X is CH;

Y is CH; and

Z is N.

2. The compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein R 6 is CH 3 .

3. The compound of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

4. A pharmaceutical composition comprising a pharmaceutically acceptable carrier together with a compound of claim 1 , or a pharmaceutically acceptable salt thereof.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2020
From: VAN DUZER, JOHN H.; MAZITSCHEK, RALPH
To: REGENACY PHARMACEUTICALS, LLC
Reel/Frame 053388/0117 →
CHANGE OF NAME Recorded Aug 3, 2020
From: REGENACY PHARMACEUTICALS, LLC
To: REGENACY PHARMACEUTICALS, INC.
Reel/Frame 053389/0100 →
Continuity (4)
Division 15820827 · Nov 22, 2017
Provisional Application 62506344 · May 15, 2017
Provisional Application 62425938 · Nov 23, 2016
Related Publication 20190330169A1 · Oct 31, 2019