Tetrazolinone Compound Structural Modifications for Pest Control
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Solution Overview
Problem
Current pest control chemicals often lack sufficient activity and effectiveness in controlling pests, despite the existence of tetrazolinone compounds with potential for improved control activity.
Innovation Solution
A tetrazolinone compound with specific structural modifications, represented by formula (1), is developed, featuring various substituents that enhance its pest control activity, allowing for effective use as a pest control agent or in methods for treating plants or soil.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pest control chemicals are used, then they are available for practical use, but they do not exert enough activity against pests
Solution Approach 1:
The patent modifies the chemical structure of tetrazolinone compounds by changing parameters such as substituent groups (R1, R2, R3, R4, R5, R6, R7, R8) and core structure variations (formula 1, 1a, 1b, 1c) to enhance pest control activity. These structural parameter changes enable the compounds to overcome resistance in pests while maintaining practical usability.
Solution Approach 2:
The invention develops composite chemical structures combining tetrazolinone core with various substituent groups and linker moieties (such as pyridine, pyrimidine, triazine rings). These composite molecular structures provide enhanced biological activity and effectiveness against pests compared to conventional single-structure chemicals.
2Reliability
If tetrazolinone compounds with modified structures are developed, then pest control activity is enhanced, but structural complexity increases
Solution Approach 1:
The complex tetrazolinone molecules are segmented into distinct functional modules: a core tetrazolinone structure, various substituent groups (R1-R8), and optional linker moieties. This modular segmentation allows for systematic optimization of activity while managing structural complexity through organized functional domains.
Solution Approach 2:
Different regions of the tetrazolinone molecule are optimized for specific functions: the core structure provides the essential biological activity, while specific substituent groups at different positions (R1-R8) are tailored to enhance binding affinity, metabolic stability, or resistance to degradation. This local optimization of molecular quality enhances overall activity without requiring uniform complexity throughout the entire molecule.
Data Source
AI summary
A tetrazolinone compound represented by formula (1): wherein R1 and R2 each represents a hydrogen atom, a halogen atom, or a C1-C3 alkyl group; R3 represents a C1-C3 alkyl group optionally having one or more halogen atoms; R4, R5, and R6 each represents a hydrogen atom or a halogen atom; R7 represents a C1-C3 alkyl group; Q represents a divalent group selected from Group P4; and A represents a C7-C18 aralkyloxy group optionally having one or more atoms or groups selected from Group P3, has excellent control activity against pests.