Crystalline form of capsid protein assembly inhibitor containing N hetero five-membered ring, and application thereof

US12378192B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12378192-B2
Application numberUS-202017764519-A
CountryUS
Kind codeB2
Filing dateSep 28, 2020
Priority dateSep 29, 2019
Publication dateAug 5, 2025
Grant dateAug 5, 2025

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Disclosed by the present application is a crystalline form of a capsid protein assembly inhibitor containing an N hetero five-membered ring; specifically disclosed is the crystalline form of the compound of formula I; also comprised is an the application of said crystalline form in the preparation of a drug for preventing or treating diseases benefiting from the inhibition of capsid protein assembly.

First claim

Opening claim text (preview).

The invention claimed is: 1. A crystalline form of a compound of formula I, wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction (XRPD) pattern at three or more of the following 2θ: 9.21±0.20°, 16.47±0.20°, 18.11±0.20°, 24.48±0.20°, 26.79±0.20°, or wherein the crystalline form has characteristic diffraction peaks in an XRPD pattern at three or more of the following 2θ: 14.09±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20° and 22.91±0.2°. 2. The crystalline form of the compound of formula I according to claim 1 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 9.21±0.20°, 16.47±0.20°, 18.11±0.20°, 24.48±0.20° and 26.79±0.20°. 3. The crystalline form of the compound of formula I according to claim 2 , wherein the XRPD pattern of the crystalline form is shown in FIG. 1 . 4. The crystalline form of the compound of formula I according to claim 2 , wherein the crystalline form has an endothermic peak in a DSC curve at 231.26±5° C. 5. The crystalline form of the compound of formula I according to claim 1 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 14.09±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20° and 22.91±0.2°. 6. The crystalline form of the compound of formula I according to claim 5 , wherein the XRPD pattern of the crystalline form is shown in FIG. 3 . 7. The crystalline form of the compound of formula I according to claim 5 , wherein the crystalline form has an endothermic peak in a DSC curve at 225.05±5° C. 8. A crystalline form composition, comprising the crystalline form of the compound of formula I according to claim 1 , wherein the crystalline form accounts for 50% or more of the weight of the crystalline form composition. 9. A pharmaceutical composition, comprising a therapeutically effective amount of the crystalline form of the compound of formula I according to claim 1 . 10. A method for treating a disease caused by hepatitis B virus infection, comprising administering to a mammal in need of such treatment a therapeutically effective amount of the crystalline form of the compound of formula I according to claim 1 . 11. The crystalline form of the compound of formula I according to claim 2 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 9.21±0.20°, 12.72±0.20°, 15.71±0.20°, 16.47±0.20°, 18.11±0.20°, 19.79±0.20°, 24.48±0.20° and 26.79±0.20°. 12. The crystalline form of the compound of formula I according to claim 2 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 9.21±0.20°, 10.44±0.20°, 12.72±0.20°, 15.06±0.20°, 15.71±0.20°, 16.47±0.20°, 18.11±0.20°, 19.79±0.20°, 20.46±0.20°, 24.48±0.20°, 26.79±0.20° and 31.46±0.20°. 13. The crystalline form of the compound of formula I according to claim 2 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 9.21±0.20°, 9.68±0.20°, 10.44±0.20°, 12.72±0.20°, 15.06±0.20°, 15.71±0.20°, 16.47±0.20°, 18.11±0.20°, 19.79±0.20°, 20.46±0.20°, 24.48±0.20°, 26.02±0.20°, 26.79±0.20°, 27.67±0.20° and 31.46±0.20°. 14. The crystalline form of the compound of formula I according to claim 2 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 4.86±0.20°, 9.21±0.20°, 9.68±0.20°, 10.44±0.20°, 12.47±0.20°, 12.72±0.20°, 15.06±0.20°, 15.71±0.20°, 16.47±0.20°, 18.11±0.20°, 18.74±0.20°, 19.19±0.20°, 19.79±0.20°, 20.46±0.20°, 20.94±0.20°, 21.65±0.20°, 21.96±0.20°, 23.12±0.20°, 24.48±0.20°, 26.02±0.20°, 26.79±0.20°, 27.67±0.20°, 29.36±0.20°, 31.46±0.20° and 34.17±0.20°. 15. The crystalline form of the compound of formula I according to claim 5 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 8.45±0.20°, 13.35±0.20°, 14.09±0.20°, 14.90±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20°, 19.64±0.20° and 22.91±0.20°. 16. The crystalline form of the compound of formula I according to claim 5 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 8.45±0.20°, 11.15±0.20°, 13.35±0.20°, 14.09±0.20°, 14.90±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20°, 19.64±0.20°, 20.97±0.20°, 22.91±0.20°, 23.68±0.20° and 25.24±0.20°. 17. The crystalline form of the compound of formula I according to claim 5 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 8.45±0.20°, 11.15±0.20°, 13.35±0.20°, 14.09±0.20°, 14.90±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20°, 19.64±0.20°, 20.25±0.20°, 20.97±0.20°, 21.42±0.20°, 22.91±0.20°, 23.68±0.20°, 25.24±0.20°, 27.72±0.20° and 30.00±0.20°. 18. The crystalline form of the compound of formula I according to claim 5 , wherein the crystalline form has characteristic diffraction peaks in an X-ray powder diffraction pattern at the following 2θ: 4.74±0.20°, 7.94±0.20°, 8.45±0.20°, 9.40±0.20°, 9.91±0.20°, 11.15±0.20°, 13.35±0.20°, 14.09±0.20°, 14.90±0.20°, 15.81±0.20°, 17.40±0.20°, 18.81±0.20°, 19.64±0.20°, 20.25±0.20°, 20.97±0.20°, 21.42±0.20°, 22.91±0.20°, 23.68±0.20°, 25.24±0.20°, 27.72±0.20° and 30.00±0.20°.

Assignees

Inventors

Classifications

  • Crystalline forms, e.g. polymorphs · CPC title

  • Optical isomers · CPC title

  • C07D207/34Primary

    with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms · CPC title

  • A61P31/20Primary

    for DNA viruses · CPC title

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What does patent US12378192B2 cover?
Disclosed by the present application is a crystalline form of a capsid protein assembly inhibitor containing an N hetero five-membered ring; specifically disclosed is the crystalline form of the compound of formula I; also comprised is an the application of said crystalline form in the preparation of a drug for preventing or treating diseases benefiting from the inhibition of capsid protein ass…
Who is the assignee on this patent?
Chia Tai Tianqing Pharmaceutical Group Co Ltd
What technology area does this patent fall under?
Primary CPC classification C07D207/34. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).