Imidazole Urea Derivatives for FPR2 Modulation
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Solution Overview
Problem
Current pharmaceuticals targeting the N-formyl peptide receptor 2 (FPR2) face challenges due to the inherent physicochemical properties of natural ligands like lipoxin A4, leading to inefficiencies in treating inflammatory disorders, particularly in ocular and dermal conditions, where they can cause side effects such as elevated IOP and delayed wound healing.
Innovation Solution
Development of imidazole urea derivatives that act as potent and selective FPR2 modulators, including receptor agonists, antagonists, inverse agonists, and partial agonists/antagonists, to treat various disorders associated with FPR2 modulation, offering reduced side effects and improved therapeutic benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If natural ligands like lipoxin A4 are used to target FPR2, then therapeutic benefits for inflammatory disorders are achieved, but side effects such as elevated IOP and delayed wound healing occur
Solution Approach 1:
The patent modifies the chemical structure of natural ligands by introducing imidazole and urea functional groups, changing physicochemical parameters such as molecular weight, polarity, and hydrogen bonding capacity. These structural modifications enable the compounds to maintain FPR2 binding affinity while reducing off-target effects that cause elevated IOP and delayed wound healing
Solution Approach 2:
The invention creates hybrid molecules combining imidazole rings with urea linkages and various aromatic or aliphatic substituents. This composite structural approach allows optimization of pharmacokinetic properties and selective receptor interaction, achieving therapeutic efficacy with reduced side effect profile compared to natural ligands
2Productivity
If current pharmaceuticals targeting FPR2 are used, then treatment of inflammatory disorders is possible, but inefficiencies occur due to inherent physicochemical properties of natural ligands
Solution Approach 1:
The patent systematically varies key physicochemical parameters including molecular weight (150-300 Da), logP values (1.5-3.5), and hydrogen bond donors/acceptors (2-5 each) to optimize oral bioavailability, metabolic stability, and receptor selectivity. These parameter optimizations directly improve treatment efficiency by enabling better pharmacokinetic profiles
Solution Approach 2:
The invention introduces specific functional groups at defined positions within the molecule - imidazole rings at the core position, urea linkages connecting to aromatic or aliphatic chains. This localized functional group placement optimizes interaction with specific amino acid residues in the FPR2 binding pocket, enhancing potency and selectivity
Data Source
AI summary
The present invention relates to imidazole derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals as modulators of the N-formyl peptide receptor.