IP Library Granted Patent US 10,351,590
Granted Patent B2
US 10,351,590 · App. 15/038,927 · Granted Jul 16, 2019

Withanolides useful for the treatment of neurodegenerative diseases

Inventors: Anthony A. Shaw (Vancouver, CA); Jean-Pierre Julien (Quebec, CA); Agnes H. Chan (Vancouver, CA)
Assignees: Imstar Therapeutics Inc.; Universite Laval
C07J71/001
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Quick Facts
Patent No.
US 10,351,590
App. No.
15/038,927
Granted
Jul 16, 2019
Kind
B2
Abstract

Provided herein are synthetic analogs of withanolide natural products of formula (I), wherein R1-R4 are as defined herein, and their pharmaceutical uses in treating neurodegenerative diseases.

Claims (9)

1. A compound having a structure represented by Formula (Ia):

wherein:

R 1 is hydrogen, or methyl; and

R 3 is hydrogen, or methyl,

wherein, R 1 and R 3 cannot both be hydrogen.

2. The compound of claim 1 wherein R 1 is methyl and R 3 is hydrogen.

3. The compound of claim 1 wherein R 1 is hydrogen and R 3 is methyl.

4. The compound of claim 1 wherein R 1 is methyl and R 3 is methyl.

5. A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable excipient.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 12, 2017
From: SHAW, ANTHONY A.; CHAN, AGNES H.
To: IMSTAR THERAPEUTICS INC.
Reel/Frame 040958/0235 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 12, 2017
From: JULIEN, JEAN-PIERRE
To: UNIVERSITE LAVAL
Reel/Frame 040958/0816 →
Continuity (2)
Provisional Application 61908455 · Nov 25, 2013
Related Publication 20170022247A1 · Jan 26, 2017