Pyrimidine Compounds for Broad-Spectrum Pest Control
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Solution Overview
Problem
Current pesticides are ineffective against numerous pest species due to resistance development, leading to significant agricultural and structural damage, as well as food loss, necessitating the development of new pest control compounds.
Innovation Solution
The development of novel pyrimidine compounds, specifically defined by formula (I), which can be used to control pests such as insects and other invertebrates, with various substituents allowing for diverse structural forms and formulations like acid addition salts, solvates, and ester derivatives to enhance efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If new pyrimidine compounds are developed, then pest control effectiveness is improved, but compound structure complexity increases
Solution Approach 1:
The pyrimidine compound structure is divided into distinct functional modules: a pyrimidine core (providing base structure), R1-R6 substituents (providing diverse functional groups for pest target interaction), and R7 aryl/heteroaryl groups (extending molecular complexity). This modular segmentation allows systematic optimization of each component for enhanced pest control while maintaining structural organization.
Solution Approach 2:
The patent creates composite molecular structures by combining the pyrimidine nucleus with multiple types of substituents including alkyl, alkenyl, haloalkyl, acyl, carboalkoxy, alkoxy, alkynyl, aryl, aryloxy, cycloalkyl, cycloalkenyloxy, and heterocyclyl groups. This composite approach integrates diverse chemical functionalities into a single molecule, enhancing pest control effectiveness through multiple interaction mechanisms.
2Adaptability or versatility
If broad-spectrum pest control is achieved, then applicability to different pests is improved, but resistance development risk increases
Solution Approach 1:
The pyrimidine compound framework is designed with universal applicability through its ability to bind to multiple pest targets. The R1-R6 substituents can be configured to interact with various insecticide targets including acetylcholinesterase, voltage-gated sodium channels, and GABA receptors across different pest species, providing broad-spectrum control while reducing resistance risk through multi-target engagement.
Solution Approach 2:
The patent systematically varies molecular parameters including substituent types (halogen, alkyl, aryl, heterocyclyl), substituent positions (R1-R7), and molecular size to create a series of analogs with different biological profiles. This parameter optimization allows tuning of pest spectrum and resistance characteristics, enabling selection of compounds with broad activity and low resistance potential.
Data Source
AI summary
Pyrimidine compounds and their use in controlling pests such as insects and other invertebrates are provided. Further embodiments, forms, objects, features, advantages, aspects and benefits shall become apparent from the description.