Thioether-substituted galactopyranoside derivative, preparation method therefor, and use thereof

By developing thioether-substituted galactopyranoside derivatives that specifically bind to Gal-3, the problem of insufficient inhibition of Gal-3 activity in existing technologies has been solved, enabling effective treatment of fibrotic diseases, tumors, and inflammatory diseases.

WO2026086940A1PCT designated stage Publication Date: 2026-04-30SHANGHAI JEMINCARE PHARMACEUTICALS CO LTD
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Patent Information

Application Number
PCT/CN2025/129940
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-13
Filing Date
2025-10-24
Publication Date
2026-04-30

AI Technical Summary

Technical Problem

Existing technologies are unable to effectively inhibit galactolectin-3 (Gal-3) activity, resulting in poor treatment outcomes for fibrotic diseases, tumor progression, and inflammatory diseases.

Method used

A class of thioether-substituted galactopyranoside derivatives were developed that regulate related biological processes by specifically binding to Gal-3 and inhibiting its activity.

Benefits of technology

It effectively inhibits Gal-3 activity and has the potential to treat fibrotic diseases, tumors, nervous system diseases, and inflammatory diseases, providing a new treatment approach.

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Abstract

Disclosed in the present invention are a compound represented by formula (I) and a pharmaceutically acceptable salt thereof. Specifically, disclosed in the present invention are a thioether-substituted galactopyranoside derivative, a preparation method therefor, and a use thereof.
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