Heterocyclic Compound Structures for Improved Arthropod Control
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Solution Overview
Problem
Existing compounds for controlling harmful arthropods have limitations in efficacy and need improvement.
Innovation Solution
Development of heterocyclic compounds represented by formula (I) with specific structural features, including various substituents and binding sites, which enhance control efficacy against harmful arthropods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing compounds are used for controlling harmful arthropods, then basic pest control function is provided, but control efficacy is insufficient
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of existing compounds through systematic variations in heterocyclic ring systems, substituent groups, and molecular configurations (formulas I, II, III with multiple R groups and variants). These structural parameter changes result in compounds with enhanced biological activity and improved control efficacy against harmful arthropods compared to prior art compounds.
Solution Approach 2:
The patent employs composite material principles by creating complex heterocyclic compound structures that combine multiple functional moieties within single molecules (e.g., formulas I, II, and III with combined heterocyclic rings, linker groups, and terminal functional groups). These composite molecular structures exhibit synergistic effects that improve pest control efficacy beyond what simpler compounds achieve.
2Ease of manufacture
If compound structure is simplified for ease of manufacture, then manufacturing becomes easier, but control efficacy decreases
Solution Approach 1:
The patent applies segmentation by dividing the complex heterocyclic compounds into modular structural units (core heterocyclic rings, linker groups, and terminal substituents) that can be synthesized separately and then assembled. This modular approach (evident in formulas I, II, III with defined R group options) allows for systematic structure-activity relationship studies and facilitates manufacturing through standardized synthetic pathways while maintaining high control efficacy.
Data Source
AI summary
The present invention provides a compound having excellent control efficacy against a harmful arthropod. A compound represented by formula (I) [wherein the symbols are the same as defined in the description] or an N-oxide thereof has excellent control efficacy against a harmful arthropod.