IP Library Granted Patent US 12,378,253
Granted Patent B2
US 12,378,253 · App. 17/776,873 · Granted Aug 5, 2025

Pyrrolopyrimidine compound as BTK inhibitor and use thereof

Inventors: Yang Zhang (Shanghai, CN); Wentao Wu (Shanghai, CN); Kaijun Geng (Shanghai, CN); Qiu Li (Shanghai, CN); Jian Li (Shanghai, CN); Shuhui Chen (Shanghai, CN)
Assignee: ZHEJIANG LONGCHARM BIO-TECH PHARMA. CO., LTD.
C07D487/04A61K31/519A61P35/00
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 12,378,253
App. No.
17/776,873
Granted
Aug 5, 2025
Kind
B2
Abstract

Disclosed are a pyrrolopyrimidine compound and a use thereof in preparing a medicine for diseases related to a BTK protein kinase inhibitor. Specially, disclosed are a compound as shown in formula (III) and a pharmaceutically acceptable salt thereof.

Claims (21)

1. A compound represented by formula (III) or a pharmaceutically acceptable salt thereof,

wherein,

R 1 is C 1-3 alkoxy, wherein the C 1-3 alkoxy is optionally substituted by 1, 2, or 3 R a ;

each R a is selected from the group consisting of D, halogen, and OH;

R 2 is selected from the group consisting of halogen, methyl, phenoxy, and pyridyloxy, wherein the phenoxy and pyridyloxy are optionally substituted with 1, 2 or 3 halogens;

R 3 is -CH 2 OH

m is 1 or 2;

n is 1, 2, or 3;

E 1 is selected from the group consisting of O, S and NH; and

ring A is

2. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein each Ra is selected from the group consisting of D, F, and OH.

3. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein R 1 is selected from the group consisting of OCH 3 , OCD 3 , and OCH 2 CH 2 OH.

4. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein R 2 is selected from the group consisting of F, Cl, methyl, phenoxy, 2-fluorophenoxy, and 2-pyridyloxy.

5. The compound or pharmaceutically acceptable salt thereof according to claim 1 , wherein E 1 is NH.

6. The compound or pharmaceutically acceptable salt thereof according to claim 1 , which is

wherein R 1 , R 2 and m are as defined in claim 1 .

7. A compound represented by the following formula or a pharmaceutically acceptable salt thereof, which is selected from the group consisting of:

8. The compound or pharmaceutically acceptable salt thereof according to claim 7 , which is selected from the group consisting of:

9. A method of treating a lymphoma in a subject in need thereof, comprising administering to the subject the compound or pharmaceutically acceptable salt thereof according to claim 1 .

10. A method of treating a lymphoma in a subject in need thereof, comprising administering to the subject the compound or pharmaceutically acceptable salt thereof according to claim 7 .

11. A method of treating a lymphoma in a subject in need thereof, comprising administering to the subject the compound or pharmaceutically acceptable salt thereof according to claim 8 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2022
From: MEDSHINE DISCOVERY INC.
To: ZHEJIANG LONGCHARM BIO-TECH PHARMA. CO., LTD.
Reel/Frame 061225/0188 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 23, 2022
From: ZHANG, YANG; WU, WENTAO; GENG, KAIJUN; LI, QIU; LI, JIAN; CHEN, SHUHUI
To: MEDSHINE DISCOVERY INC.
Reel/Frame 060292/0056 →
Priority Claims (4)
CN 201911109773.2 · Nov 13, 2019 · national
CN 201911288492.8 · Dec 13, 2019 · national
CN 202010096582.3 · Feb 17, 2020 · national
CN 202010711270.9 · Jul 22, 2020 · national
Continuity (1)
Related Publication 20230357248A1 · Nov 9, 2023
References Cited (6)
US 11020398B2 · Bates · 2021 [cited by examiner]
US 20180055846A1 · Bates et al. · 2018 [cited by applicant]
CN 108699062A · 2018 [cited by applicant]
CN 109890821A · 2019 [cited by applicant]
Ciapetti et al., “Chapter 15—Molecular Variations Based on Isosteric Replacements”, The Practice of Medicinal Chemistry (Third Edition), 2008, pp. 290-342. [cited by applicant]
Partial Supplementary European Search Report issued by the European Patent Office (European Application No. 20887944.5, mailed Oct. 26, 2023). [cited by applicant]