Polymorphic Salt Scavenges Toxic Aldehydes
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Solution Overview
Problem
Current methods lack effective solutions for treating conditions associated with aldehyde toxicity, which is implicated in various diseases and disorders, including ocular and non-ocular conditions, as there is no established treatment for scavenging toxic aldehydes such as malondialdehyde (MDA) and 4-hydroxyl-2-nonenal (HNE).
Innovation Solution
Development of specific salt forms of compounds, such as mesylate, besylate, sulfate, and phosphate salts of 6-chloro-3-amino-2-(2-hydroxypropyl)-1-azanaphthalene, which act as scavengers for toxic aldehydes, improving aqueous solubility, stability, and ease of formulation, thereby reducing the accumulation of toxic aldehydes and alleviating associated conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If freebase form of the compound is used, then the compound can act as an aldehyde scavenger, but the aqueous solubility is poor
Solution Approach 1:
The patent applies parameter changes by converting the freebase compound into different salt forms (mesylate, besylate, sulfate, phosphate) to fundamentally alter the solubility parameter. Each salt form presents different solubility characteristics, allowing selection based on specific formulation requirements while maintaining the aldehyde scavenging activity.
Solution Approach 2:
The patent creates composite material systems by combining the active compound with various counterions to form distinct salt compounds. These composite salt forms integrate the pharmacophore with different anionic components, achieving both solubility improvement and maintained biological activity through the composite structure.
2Reliability
If multiple salt forms are developed, then solubility and stability are improved, but the complexity of the invention increases
Solution Approach 1:
The patent segments the overall solution into distinct, independently characterized salt forms. Each salt (mesylate, besylate, sulfate, phosphate) is separately prepared, characterized, and optimized for specific applications. This segmentation allows complex stability and solubility requirements to be addressed through modular selection of appropriate salt forms rather than attempting a single universal solution.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
These salt forms effectively scavenge toxic aldehydes, reducing their levels in the body and mitigating the severity of associated diseases and disorders by forming complexes with aldehydes, thus preventing further cellular damage.
Implementation Method 1
These salt forms effectively scavenge toxic aldehydes, reducing their levels in the body and mitigating the severity of associated diseases and disorders by forming complexes with aldehydes
Data Source
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AI summary
The present invention provides freebase and salt forms, and compositions and methods thereof, useful for treating various conditions, in which aldehyde toxicity is implicated in the pathogenesis, by the administration of small molecule therapeutics acting as a scavenger for toxic aldehydes.