Substituted Benzamide Herbicides for Selective Weed Control
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Solution Overview
Problem
Existing herbicides do not provide effective and selective weed control in crops, particularly for plants that are not inherently tolerant to herbicidal effects.
Innovation Solution
Development of novel arylcarboxamides, specifically N-(tetrazol-5-yl)arylcarboxamides, which are formulated into herbicidal compositions with agronomically acceptable adjuvants, allowing for controlled release and application methods to target weeds while minimizing impact on crop plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing herbicides are applied to control weeds, then weed control is achieved, but selectivity is poor and crop plants are damaged
Solution Approach 1:
The patent applies local quality by engineering specific crop plants with tolerance to the herbicidal compounds through genetic modification. This creates a local distinction where crop plants possess special resistance mechanisms (such as modified target sites or detoxification enzymes) while weed plants remain susceptible, enabling selective herbicide action that spares the crop.
Solution Approach 2:
The patent changes the chemical parameters of the herbicidal agents by developing novel substituted benzamide structures with specific molecular configurations (Formula I compounds). These structural modifications alter the herbicide's interaction with plant target sites, providing enhanced selectivity when combined with engineered tolerant crop varieties.
2Productivity
If broad-spectrum herbicides are used to ensure weed control, then effectiveness increases, but crop safety decreases
Solution Approach 1:
The patent segments the herbicide market and application strategy by developing compounds with specific spectral characteristics tailored for particular crop-weed scenarios. Rather than relying on a single broad-spectrum agent, the invention provides a family of substituted benzamides with varying selectivity profiles that can be matched to specific agricultural needs.
Solution Approach 2:
The patent introduces genetically engineered tolerance mechanisms as intermediaries between the herbicidal compound and the crop plant. This intermediary system allows the crop to withstand the herbicide's effects while weeds without the genetic modification remain vulnerable, effectively mediating the interaction between herbicide and plant.
3Object-affected harmful factors
If new herbicidal compounds are developed for selective control, then crop safety improves, but development complexity increases
Solution Approach 1:
The patent achieves universality by creating a platform technology where a core substituted benzamide structure (Formula I) serves multiple functions across different crop systems. The general molecular framework can be applied to protect various crop types (soybean, corn, cotton, etc.) from different weed spectra, reducing the need for entirely separate herbicide programs for each crop.
Solution Approach 2:
The patent employs composite molecular structures combining the substituted benzamide core with various functional groups and substituents (R1-R6 positions in Formula I). This composite approach allows fine-tuning of selectivity and efficacy properties while maintaining a consistent base structure that can be systematically optimized.
Data Source
AI summary
The present invention related to compounds of Formula (I) or an agronomically acceptable salt thereof, wherein R1, R2, R3, R4 and R5 are as described herein. The invention further relates to compositions comprising said compounds, to methods of controlling weeds using said compositions and to the use of Compounds of Formula (I) as a herbicide.