Heterocyclic Compound for Arthropod Control via Structural Modification
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Solution Overview
Problem
Current compounds for controlling harmful arthropods have limitations in efficacy and specificity, as existing solutions do not provide optimal control measures.
Innovation Solution
A novel heterocyclic compound represented by formula (I) is developed, which includes specific structural groups and substituents that enhance its efficacy in controlling harmful arthropods, either alone or in combination with an inert carrier, and can be applied to habitats where these pests reside.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing compounds are used for controlling harmful arthropods, then some control effect is achieved, but the efficacy and specificity are insufficient
Solution Approach 1:
The patent modifies the chemical structure of existing arthropod control compounds by introducing specific heterocyclic groups (pyrimidinone, pyridine, pyrazine rings) and functional groups (carboxyl, carbonyl, hydroxyl) at defined positions. These structural parameter changes result in compounds with enhanced efficacy and specificity against harmful arthropods while reducing harm to non-target organisms.
Solution Approach 2:
The patent creates composite molecular structures by combining multiple functional groups and heterocyclic systems into unified compounds. Examples include molecules containing both pyrimidinone cores and carboxyl substituents, or compounds with fused heterocyclic rings that integrate multiple biological activities, achieving synergistic effects that improve overall control performance.
2Productivity
If existing arthropod control agents are applied, then some pest control is achieved, but harm to non-target organisms remains excessive
Solution Approach 1:
The patent introduces specific functional groups and heterocyclic structures at particular positions within the molecular framework to achieve localized biological activity. The heterocyclic groups are positioned to interact specifically with arthropod nervous systems, while the molecular structure as a whole maintains lower toxicity toward beneficial insects, fish, and other non-target organisms through controlled distribution of active sites.
Data Source
AI summary
The present invention provides a compound substituted with an excellent control effect against a harmful arthropod, which is represented by formula (I) Het-Q (I) wherein Q represents a group represented by Q1, etc., Het represents a group represented by Het1, etc., R2 represents a C1-C6 alkyl group, etc., G1 represents a nitrogen atom or CR3a, G2 represents a nitrogen atom or CR3b, G3 represents a nitrogen atom or CR3c, G4 represents a nitrogen atom or CR3d, R3a, R3b, R3c, and R3d are identical to or different from each other and represent a C1-C6 chain hydrocarbon group, etc., n represents 0, 1, or 2, T represents a C1-C10 chain hydrocarbon group substituted with one or more halogen atoms, etc. , A2 represents a nitrogen atom or CR4a, A3 represents a nitrogen atom or CR4b, R4a and R4b are identical to or different from each other and represent a C1-C6 chain hydrocarbon group, W1 represents an oxygen atom, etc., and R6 represents a C1-C6 chain hydrocarbon group, etc.