Oxysterol Compounds for Broad NMDA Receptor Modulation
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Solution Overview
Problem
There is a need for new oxysterols that modulate NMDA receptor function to prevent and treat conditions associated with NMDA expression and function, including psychiatric and CNS-related disorders.
Innovation Solution
Development of novel oxysterols represented by specific chemical formulas (I-A to II-J) and their pharmaceutically acceptable salts, which can be administered to modulate NMDA receptor activity for therapeutic purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing oxysterols are used to modulate NMDA receptor function, then some therapeutic effect is achieved, but the therapeutic efficacy is insufficient for treating a broad range of NMDA-mediated disorders
Solution Approach 1:
The patent applies parameter changes by systematically modifying the chemical structure of oxysterol compounds. Specifically, it varies parameters such as the position of oxygen atoms (oxidation sites), the type of substituents at different positions on the steroid nucleus, and the saturation level of carbon-carbon bonds. These structural parameter changes generate a series of analogs with different NMDA receptor modulatory profiles, enabling treatment of various NMDA-mediated disorders with different pathophysiological mechanisms.
Solution Approach 2:
The patent employs local quality by introducing specific substituents at particular positions on the oxysterol molecular structure. Different substituents (e.g., hydroxyl groups, ketone groups, alkyl chains) are placed at specific locations (positions 3, 7, 12, 13, 17, etc.) to fine-tune the compound's interaction with the NMDA receptor. This localized modification allows optimization of binding affinity and selectivity for different NMDA receptor subtypes, thereby expanding therapeutic versatility.
2Adaptability or versatility
If new oxysterol compounds are developed to expand therapeutic range, then adaptability improves, but the complexity of compound synthesis and characterization increases
Solution Approach 1:
The patent applies segmentation by dividing the complex oxysterol molecule into distinct functional regions: the steroid nucleus (core structure), oxidation sites (oxygen-containing functional groups), and substituent positions (variable groups). This segmentation allows independent optimization of each region's properties and simplifies the systematic exploration of structure-activity relationships, making the development process more manageable despite the diversity of compounds.
Solution Approach 2:
The patent employs universality by designing a core oxysterol scaffold that can accommodate multiple different substituents and oxidation patterns while maintaining the fundamental NMDA receptor modulatory activity. This universal scaffold approach allows a single synthetic route to generate multiple therapeutically relevant compounds, reducing overall synthesis complexity while expanding therapeutic range.
Data Source
AI summary
Compounds are provided according to Formula (I), and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof; wherein A, R1, and R5 are as defined herein. Compounds of the present invention are contemplated useful for the prevention and treatment of a variety of conditions.