Oleanolic Acid Derivatives for Inflammation
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Solution Overview
Problem
Current synthetic triterpenoid derivatives for treating oxidative stress and inflammation have varying biological activity profiles and limited medical applications, necessitating the development of new compounds with improved anti-inflammatory and antioxidant properties.
Innovation Solution
Novel synthetic triterpenoid derivatives with specific structural modifications, including various substituents on the R3 group, are developed to enhance anti-inflammatory and antioxidant effects, which can be used in pharmaceutical compositions for treating and preventing diseases associated with oxidative stress and inflammation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If new synthetic triterpenoid derivatives are developed to improve biological activity profiles, then anti-inflammatory and antioxidant effects are enhanced, but compound structure complexity increases
Solution Approach 1:
The patent applies parameter changes by systematically modifying the chemical structure of triterpenoid compounds through variations in R3 substituents (hydrogen, hydroxy, halo, amino, NHOH, mercapto, and various alkyl, alkenyl, alkynyl, aryl, heteroaryl groups) and Y linkers (covalent bond, —CH2—, —C(O)—, —O—, or —NH—). These structural parameter modifications enable exploration of structure-activity relationships to optimize biological activity while managing structural complexity
Solution Approach 2:
The patent employs composite material principles by creating hybrid triterpenoid structures that combine the core oleanolic acid scaffold with diverse substituent groups. This composite approach allows integration of multiple functional groups (hydroxy, amino, heterocycloalkyl, etc.) onto the parent structure, generating compounds with enhanced and diversified biological activity profiles
2Adaptability or versatility
If diverse substituent groups are introduced to expand medical applications, then therapeutic benefits are improved, but synthesis difficulty increases
Solution Approach 1:
The patent applies local quality by introducing specific substituent groups at particular positions (R3 and Y) on the triterpenoid core structure. This localized modification strategy allows systematic exploration of structure-activity relationships for different medical applications (cancer, autoimmune diseases, cardiovascular conditions) while maintaining a common synthetic platform based on oleanolic acid derivatives
Solution Approach 2:
The patent utilizes parameter changes by varying substituent types (hydroxy, amino, heterocycloalkyl, aryl groups) and linker configurations at specific positions on the molecular scaffold. This parameter variation approach enables tailoring of compound properties for different therapeutic indications while following systematic synthetic methodologies
Data Source
AI summary
Disclosed herein are novel C17-alkanediyl and alkenediyl derivatives of oleanolic acid, including those of the formula:wherein the variables are defined herein. Also provided are pharmaceutical compositions, kits and articles of manufacture comprising such compounds. Methods and intermediates useful for making the compounds, and methods of using the compounds, for example, as antioxidant inflammation modulators, and compositions thereof are also provided.