Cyclopropyl Ethylene Compound for Arthropod Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current compounds for controlling harmful arthropods have limitations in efficacy and resistance issues, necessitating the development of a more effective compound for comprehensive arthropod control.
Innovation Solution
A cyclopropyl ethylene compound with specific structural features, represented by formula (I), is developed for use in compositions to control harmful arthropods, including those resistant to insecticides, miticides, and nematicides, applied directly or to habitats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing compounds for controlling harmful arthropods are used, then some level of control is achieved, but efficacy is limited and resistance issues occur
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of existing arthropod control compounds. Specifically, it introduces a cyclopropyl ring at the 1-position of the ethylene backbone and varies substituents at positions 2 and 3 (such as halogen atoms, alkyl groups, or alkoxy groups) to create compounds with enhanced biological activity. These structural parameter changes result in improved control efficacy against harmful arthropods, including those that have developed resistance to conventional compounds.
2Reliability
If a new compound structure is developed to improve efficacy, then control effectiveness increases, but structural complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the molecule into distinct functional segments: a core ethylene backbone (C=C double bond), a cyclopropyl ring segment at position 1, and variable substituent segments at positions 2 and 3. This segmented structure allows for systematic optimization of each segment's contribution to biological activity while maintaining overall molecular manageability. The modular nature of the structure enables controlled complexity rather than random complexity.
Solution Approach 2:
The patent creates composite molecular structures by combining different chemical moieties: the cyclopropyl ring combined with the ethylene backbone and various substituent groups (halogens, alkyl, alkoxy). This composite approach allows the molecule to leverage the beneficial properties of each component - the cyclopropyl ring provides structural rigidity and metabolic stability, the ethylene backbone provides the core framework, and the variable substituents provide tunability for optimizing activity against different arthropod targets.
Data Source
AI summary
The present invention provides a compound that have excellent harmful arthropod controlling effects, the compounds being represented by formula (I) [wherein R1 represents a hydrogen atom etc., and R21, R22, R31 and R32 are identical to or different from each other and each represents a hydrogen atom etc., Q1, Q2, Q3, Q4 are identical to or different from each other and each represents CH etc.], as well as a composition comprising the same, and a method for controlling harmful arthropod comprising applying the same.