IP Library Granted Patent US 10,752,595
Granted Patent B2
US 10,752,595 · App. 16/467,774 · Granted Aug 25, 2020

Crystalline forms of a bromodomain and extraterminal protein inhibitor drug, processes for preparation thereof, and use thereof

Inventors: Minhua Chen (Suzhou, CN); Yanfeng Zhang (Suzhou, CN); Xiaoting Zhai (Suzhou, CN); Kaiqiang Yan (Suzhou, CN); Xiaoyu Zhang (Suzhou, CN)
Assignee: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
C07D239/91A61K31/517C07D413/06C07D471/04C07B2200/13
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Quick Facts
Patent No.
US 10,752,595
App. No.
16/467,774
Granted
Aug 25, 2020
Kind
B2
Abstract

The present disclosure relates to novel crystalline forms of a bromodomain protein inhibitor 2-[4-(2-hydroxyethoxy)-3,5-dimethylphenyl]-5,7-dimethoxyquinazolin-4(3H)-one and processes for preparation and use thereof, relating to pharmaceutical industry. Form CS2, Form CS8, Form CS13, Form CS20, Form CS1, Form CS7, Form CS9, Form CS11 and Form CS4 of the present disclosure can be used for preparing drugs treating cardiovascular, cholesterol or lipid-related disorders.

Claims (22)

1. A crystalline form CS1 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 6.1°±0.2°, 12.3°±0.2°, 26.1°±0.2° and 26.8°±0.2° using CuKα radiation.

2. The crystalline form CS1 according to claim 1 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 16.4°±0.2°, 18.5°±0.2°, 23.2°±0.2°, 13.0°±0.2°, 14.1°±0.2°, 17.1°±0.2° and 24.5°±0.2° using CuKα radiation.

3. A crystalline form CS2 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 11.5°±0.2°, 6.6°±0.2° and 8.8°±0.2° using CuKα radiation.

4. The crystalline form CS2 according to claim 3 , wherein the X-ray powder diffraction pattern shows one or two characteristic peaks at 2theta values of 5.1°±0.2° and 15.3°±0.2° using CuKα radiation.

5. A crystalline form CS8 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 23.9°±0.2°, 13.5°±0.2°, 7.8°±0.2°, 22.5°±0.2° and 11.4°±0.2° using CuKα radiation.

6. The crystalline form CS8 according to claim 5 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 25.9°±0.2°, 13.1°±0.2°, 28.1°±0.2° and 20.2°±0.2° using CuKα radiation.

7. A crystalline form CS13 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 5.1°±0.2°, 12.5°±0.2° and 17.1°±0.2° using CuKα radiation.

8. The crystalline form CS13 according to claim 7 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 6.4°±0.2°, 8.5°±0.2, 25.7°±0.2°, 7.8°±0.2° and 16.0°±0.2° using CuKα radiation.

9. A crystalline form CS20 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 8.4°±0.2°, 18.9°±0.2° and 13.5°±0.2° using CuKα radiation.

10. The crystalline form CS20 according to claim 9 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 11.3°±0.2°, 9.4°±0.2, 5.6°±0.2°, 26.3°±0.2°, 20.1°±0.2°, 20.6°±0.2° and 24.4°±0.2° using CuKα radiation.

11. A crystalline form CS7 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 5.9°±0.2°, 6.7°±0.2°, 10.7°±0.2° and 12.5°±0.2° using CuKα radiation.

12. The crystalline form CS7 according to claim 11 , wherein the X-ray powder diffraction pattern shows one or two or three characteristic peaks at 2theta values of 8.4°±0.2°, 16.9°±0.2, 13.3°±0.2°, 16.0°±0.2°, 25.1°±0.2°, 15.0°±0.2° and 21.8°±0.2° using CuKα radiation.

13. A crystalline form CS9 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 7.3°±0.2°, 9.9°±0.2° and 17.0°±0.2° using CuKα radiation.

14. The crystalline form CS9 according to claim 13 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 13.4°±0.2°, 3.9°±0.2, 12.8°±0.2°, 12.1°±0.2°, 24.9°±0.2°, 22.5°±0.2° and 24.2°±0.2° using CuKα radiation.

15. A crystalline form CS11 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 7.8°±0.2°, 8.8°±0.2°, 9.7°±0.2° and 13.6°±0.2° using CuKα radiation.

16. The crystalline form CS11 according to claim 15 , wherein the X-ray powder diffraction pattern shows one or more characteristic peaks at 2theta values of 4.4°±0.2°, 16.9°±0.2, 21.6°±0.2°, 13.0°±0.2° and 15.3°±0.2° using CuKα radiation.

17. A crystalline form CS4 of apabetalone, wherein the X-ray powder diffraction pattern shows characteristic peaks at 2theta values of 9.1°±0.2°, 14.5°±0.2°, 23.5°±0.2° and 24.2°±0.2° using CuKα radiation.

18. The crystalline form CS4 according to claim 17 , wherein the X-ray powder diffraction pattern shows one or two or three characteristic peaks at 2theta values of 10.3°±0.2°, 25.0°±0.2, 26.3°±0.2°, 10.8°±0.2°, 11.6°±0.2° and 19.5°±0.2° using CuKα radiation.

19. A method for treating cardiovascular, cholesterol or lipid-related disorders, comprising administering to a patient in need thereof a therapeutically effective amount of the Form CS1 according to claim 1 .

20. A method for treating cardiovascular, cholesterol or lipid-related disorders, comprising administering to a patient in need thereof a therapeutically effective amount of the Form CS7 according to claim 11 .

21. A method for treating cardiovascular, cholesterol or lipid-related disorders, comprising administering to a patient in need thereof a therapeutically effective amount of the Form CS4 according to claim 17 .

22. A method for treating cardiovascular, cholesterol or lipid-related disorders, comprising administering to a patient in need thereof a therapeutically effective amount of the Form CS9 according to claim 13 .

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY DATA PREVIOUSLY RECORDED ON REEL 058655 FRAME 0643. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY INTEREST. Recorded Jan 27, 2022
From: RESVERLOGIX CORP.
To: HEPALINK (HONG KONG) LIMITED
Reel/Frame 058887/0288 →
SECURITY INTEREST Recorded Jan 14, 2022
From: RESVERLOGIX CORP.
To: HEPALINK (HONG KONG) LIMITED
Reel/Frame 058655/0643 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2021
From: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
To: RESVERLOGIX CORP.
Reel/Frame 055358/0400 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2019
From: CHEN, MINHUA; ZHANG, YANFENG; ZHAI, XIAOTING; YAN, KAIQIANG; ZHANG, XIAOYU
To: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
Reel/Frame 049406/0798 →
Cited By (2)
US 12,551,484 US 12,673,059