Heterocyclic Compound Structures for Enhanced Arthropod Control
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Solution Overview
Problem
Existing compounds for controlling harmful arthropods are not effective enough in providing sufficient control activity.
Innovation Solution
A heterocyclic compound represented by formula (I) or its N-oxide, characterized by specific substituent groups, which exhibit enhanced control activity against harmful arthropods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing compounds are used for controlling harmful arthropods, then the control activity is insufficient, but improving the control activity requires developing new compounds with specific heterocyclic structures
Solution Approach 1:
The patent modifies molecular parameters by introducing specific heterocyclic ring structures (pyrimidine, pyridine, triazine cores) with defined substituent patterns. These structural parameter changes transform the compound class to achieve superior control activity against harmful arthropods while maintaining reasonable synthetic accessibility through established chemical methods.
2Reliability
If new heterocyclic compounds are synthesized to improve control activity, then the control activity increases, but the synthesis process becomes more complex
Solution Approach 1:
The synthesis approach segments the compound construction into modular steps: first establishing the core heterocyclic ring system through standardized reactions, then introducing specific substituent groups at defined positions. This segmentation allows each step to be optimized independently and uses readily available starting materials, maintaining ease of manufacture while achieving the desired control activity.
Data Source
AI summary
The present invention provides compounds having an excellent control activity against harmful arthropods. A compound represented by formula (I) or an N-oxide thereof having an excellent control activity against harmful arthropods [wherein the symbols have the meanings described in the description].