Curcumin Derivative Sugar Linker Water Solubility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The curcumin derivative developed in Patent Document 1 has low water solubility, limiting its in vivo efficacy and pharmaceutical use.
Innovation Solution
A novel compound represented by a specific general formula or its salt, where R1 to R4 are substituents selected from hydrogen, C1-4 lower alkyl groups, and a sugar is added via a linker to enhance water solubility and antitumor activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a curcumin derivative is developed to enhance antitumor activity, then antitumor activity is improved, but water solubility deteriorates
Solution Approach 1:
The curcumin derivative is divided into multiple modular components: a core curcumin structure, variable substituents (R1-R4), and optional sugar moieties. This segmentation allows independent optimization of antitumor activity (through core structure) and water solubility (through sugar attachments), resolving the contradiction between these two properties.
Solution Approach 2:
The patent systematically varies chemical parameters including substituent types (R1-R4), chain lengths, and sugar configurations to optimize both antitumor activity and water solubility. By changing molecular weight, polarity, and hydrophilicity parameters through controlled modifications, the patent achieves compounds that satisfy both requirements simultaneously.
2Reliability
If water solubility is improved by adding sugar groups, then in vivo efficacy is improved, but molecular complexity increases
Solution Approach 1:
The patent extracts the solubility-enhancing function into separate sugar modules that can be attached to or removed from the core curcumin structure. This modular extraction allows the complex solubility requirement to be satisfied independently without complicating the core antitumor active structure, thereby improving in vivo efficacy while managing molecular complexity.
Solution Approach 2:
The sugar-substituted curcumin derivatives serve multiple functions simultaneously: the core structure provides antitumor activity while the sugar groups provide water solubility and potential targeting capabilities. This multi-functionality reduces the need for separate molecular components, effectively managing complexity while achieving multiple therapeutic goals.
Data Source
AI summary
Provided is a new compound or a salt thereof having improved in vivo efficacy and antitumor activity of a curcumin derivative, and an antitumor activator containing the new compound or the salt thereof as an active ingredient. The compound or a salt thereof is represented by the following general formula. R1 to R4 are substituents selected from a hydrogen atom, a C1-4 lower alkyl group, a hydroxy C1-4 lower alkyl group, a C1-4 lower alkoxy C1-4 lower alkyl group, and a C1-4 lower alkoxy C1-4 lower alkoxy C1-4 lower alkyl group, and R1 to R4 may be the same or different. n is 1 to 6. Sugar is a monosaccharide or a disaccharide.