IP Library Granted Patent US 11,279,694
Granted Patent B2
US 11,279,694 · App. 16/462,094 · Granted Mar 22, 2022

Alvocidib prodrugs and their use as protein kinase inhibitors

Inventors: Adam Siddiqui-Jain (South Jordan, UT); Yusuke Sawayama (Osaka, JP); Wataru Hirose (Osaka, JP); Hitoshi Ban (Hyogo, JP)
Assignee: Sumitomo Dainippon Pharma Oncology, Inc.
C07D405/04C07F9/65586C07F9/65742C07F9/65844
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Quick Facts
Patent No.
US 11,279,694
App. No.
16/462,094
Granted
Mar 22, 2022
Kind
B2
Abstract

Compounds having the following structure (I) or a stereoisomer, tautomer or pharmaceutically acceptable salt thereof, wherein R 1 , R 2 and R 3 are as defined herein, and wherein at least one of R 1 , R 2 and R 3 is not H, are provided. Pharmaceutical compositions comprising the compounds and methods for use of the compounds for treating diseases associated with overexpression of a cyclin-dependent kinase (CDK) are also provided.

Claims (5)

1. A compound having one of the following structures:

or a pharmaceutically acceptable salt thereof.

2. A pharmaceutically acceptable salt of a compound of claim 1 .

3. A pharmaceutical composition comprising a pharmaceutically acceptable carrier or excipient, and a compound of claim 1 , or a pharmaceutically acceptable salt thereof.

4. The pharmaceutical composition of claim 3 , wherein the pharmaceutical composition is formulated for oral delivery.

Assignments (6)
CHANGE OF NAME Recorded Apr 27, 2022
From: SUMITOMO DAINIPPON PHARMA ONCOLOGY, INC.
To: SUMITOMO PHARMA ONCOLOGY, INC.
Reel/Frame 059809/0557 →
MERGER Recorded Jul 10, 2020
From: TOLERO PHARMACEUTICALS, INC.
To: BOSTON BIOMEDICAL, INC.
Reel/Frame 053172/0833 →
CHANGE OF NAME Recorded Jul 10, 2020
From: BOSTON BIOMEDICAL, INC.
To: SUMITOMO DAINIPPON PHARMA ONCOLOGY, INC.
Reel/Frame 053184/0705 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2019
From: SIDDIQUI-JAIN, ADAM
To: TOLERO PHARMACEUTICALS, INC.
Reel/Frame 049774/0387 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2019
From: SAWAYAMA, YUSUKE; HIROSE, WATARU; BAN, HITOSHI
To: SUMITOMO DAINIPPON PHARMA COMPANY, LIMITED
Reel/Frame 049774/0933 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2019
From: SUMITOMO DAINIPPON PHARMA COMPANY, LIMITED
To: TOLERO PHARMACEUTICALS, INC.
Reel/Frame 049775/0023 →
Cited By (1)
US 12,338,261