Formula I Compounds Overcoming Multidrug Resistance in Cancer
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Solution Overview
Problem
Current cancer treatments face challenges due to the development of multidrug resistance in cancer cells, where mechanisms such as drug efflux, detoxification, target changes, and DNA repair system alterations lead to resistance to chemotherapeutic agents, and existing substances have not demonstrated convincing inhibitory activity.
Innovation Solution
Development of novel compounds of a specific formula, including pharmaceutically acceptable salts, isomers, and their mixtures, which can target and overcome resistance mechanisms in cancer cells, potentially used in combination with other anticancer agents to treat chemotherapy-resistant cancers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional chemotherapeutic agents are used to treat cancer, then cancer cells may be initially suppressed, but cancer cells develop multidrug resistance through mechanisms such as drug efflux, detoxification, target changes, and DNA repair system alterations
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of anticancer compounds through various substituents (R1-R6 groups including alkyl, aryl, heteroaryl, cycloalkyl, and their substituted forms) to create a series of derivatives with altered properties that can overcome resistance mechanisms while maintaining therapeutic efficacy
Solution Approach 2:
The invention employs composite materials by combining multiple functional groups and structural elements within single molecular compounds (formula I and its variants), creating complex molecular structures that can simultaneously target multiple resistance mechanisms including drug efflux pumps, detoxification enzymes, and DNA repair pathways
2Adaptability or versatility
If numerous substances have been developed to inhibit resistance mechanisms, then research efforts have been extensive, but no substance has demonstrated convincing inhibitory activity
Solution Approach 1:
The patent applies universality by designing compounds of formula (I) with multiple functional groups (R1-R6 substituents including halogen, alkoxy, amino, carboxyl, cyano, and hydroxyl groups) that enable the molecules to simultaneously interact with and inhibit multiple resistance mechanisms including P-glycoprotein-mediated efflux, cytochrome P450 detoxification, topoisomerase targets, and DNA repair enzymes
Data Source
AI summary
The present invention relates to a compound of general formula (I) : and also to the pharmaceutically acceptable salts thereof, to the isomers or isomer mixtures thereof in all proportions, in particular to an enantiomer mixture, and especially to a racemic mixture. The present invention also relates to the use of these compounds as a medicament, and in particular for the treatment of cancer, and also to the compositions containing them.