Fused imide derivatives

By developing fused imide compounds as Protac molecules, which are combined with target proteins and E3 ubiquitin ligases, specific degradation of BTK protein was achieved, solving the problem of poor BTK targeted degradation in existing technologies and improving the therapeutic effect on B-cell related diseases.

CN119823111BActive Publication Date: 2026-05-05CHIA TAI TIANQING PHARMA GRP CO LTD
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Patent Information

Application Number
CN202411790610.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2022-11-11
Filing Date
2022-11-18
Publication Date
2026-05-05
Estimated Expiration
2042-11-18

AI Technical Summary

Technical Problem

Existing technologies have difficulty effectively targeting and degrading Bruton's tyrosine kinase (BTK) protein, resulting in poor treatment outcomes for B-cell-related diseases such as B-cell non-Hodgkin's lymphoma and rheumatoid arthritis.

Method used

We developed fused imide compounds as Protac molecules, which induce the degradation of target proteins by binding to target proteins and E3 ubiquitin ligases, thereby achieving specific degradation of BTK.

Benefits of technology

It achieves efficient degradation of BTK protein, improves the therapeutic effect on B-cell related diseases, and provides a safer therapeutic target.

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Abstract

This application belongs to the field of medicinal chemistry and relates to fused imide derivatives of Formula I, their preparation methods, pharmaceutical compositions containing the compound, and their use in treating related diseases (e.g., cancer).
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