Macrocyclic IRAK-4 Inhibitors With Selective Kinase Targeting

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Solution Overview

Problem

Current IRAK-4 inhibitors are inadequate for effectively treating autoimmune diseases and inflammatory disorders, and there is a need for novel compounds with superior IRAK-4 inhibitory activity.

Innovation Solution

Development of novel macrocyclic compounds represented by specific chemical formulas with varying substituents and functional groups, which exhibit strong IRAK-4 inhibitory activity and selective kinase inhibition, particularly targeting FLT3, while showing low genetic toxicity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If current IRAK-4 inhibitors are used, then some inhibitory activity is achieved, but the effectiveness for treating autoimmune diseases and inflammatory disorders is inadequate

Engineering Contradiction:
ImproveIRAK-4 inhibitory activityVSAvoidinsufficient therapeutic effectiveness
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent applies parameter changes by modifying the chemical structure of IRAK-4 inhibitors through macrocyclization and introducing specific substituents (R1-R6 groups) to enhance inhibitory activity. The macrocyclic structure and varied substituent patterns optimize the compound's interaction with IRAK-4, significantly improving therapeutic effectiveness for autoimmune diseases and inflammatory disorders compared to previous inhibitors.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite material principles by creating complex macrocyclic compounds that integrate multiple functional groups and structural elements. These composite molecular structures combine various chemical moieties (including aromatic rings, heterocyclic groups, and alkyl chains) to achieve superior IRAK-4 inhibition and therapeutic effect.

Inventive Principle:
Principle #40Composite materials

2Adaptability or versatility

If broad kinase inhibition is achieved, then multiple disease pathways are targeted, but selectivity is reduced leading to increased genetic toxicity

Engineering Contradiction:
Improvekinase inhibition coverageVSAvoidgenetic toxicity
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by designing macrocyclic compounds with specific local structural features (R1-R6 substituents) that provide selective interaction with IRAK-4 while avoiding off-target kinase inhibition. The localized chemical modifications enhance binding affinity for IRAK-4's unique structural features, achieving high selectivity and reducing genetic toxicity associated with broad kinase inhibition.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent converts the potential harm of broad kinase inhibition into benefit by designing macrocyclic structures that selectively target IRAK-4. The macrocyclic framework, while capable of interacting with multiple kinases, is optimized through specific substituents to preferentially bind IRAK-4, thereby converting the risk of off-target effects into selective therapeutic action with reduced genetic toxicity.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Data Source

PatentUS12577258B2Macrocyclic compound
Publication Date: 2026.03.17 VERNALIS (R&D) LTD
  • US12577258B2 patent drawing
  • US12577258B2 patent drawing
  • US12577258B2 patent drawing

AI summary

A compound represented by the general formula (1) or a salt thereof, which has a superior IRAK-4 inhibitory activity, and is useful as active ingredients of medicaments for prophylactic treatment and/or therapeutic treatment of diseases relating to IRAK-4 inhibition.