Anti-malarial Compound Synthesis via Segmentation and Parameter Changes
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for isolating anti-malarial compounds from Zanthoxylum syncarpum are multi-step processes with low yields, necessitating the development of novel anti-malarial compounds and a more efficient synthesis route.
Innovation Solution
The development of anti-malarial compounds of formula (I) and a process for their preparation, involving steps such as styrene compound dihydroxylation, monotosylation, azide formation, reduction, and coupling with acids using DCC and DMAP, to produce compounds effective against Plasmodium falciparum strains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If isolation process is used to obtain anti-malarial compounds from Zanthoxylum syncarpum, then natural compounds can be obtained, but the process involves multiple steps with very poor yields
Solution Approach 1:
The synthesis is divided into multiple discrete steps: dihydroxylation of styrene to diol, monotosylation to monotosylate, azide substitution to azido alcohol, reduction to amino alcohol, and coupling to final compound. Each step is optimized independently to maximize overall yield while maintaining the ability to obtain the target anti-malarial compound.
Solution Approach 2:
The invention changes the approach from natural isolation to chemical synthesis, fundamentally altering the production parameters. Synthetic routes allow for controlled reaction conditions, purification steps, and yield optimization that cannot be achieved through natural extraction alone.
2Reliability
If multi-step isolation process is used, then natural compounds can be obtained, but the process is complex and time-consuming
Solution Approach 1:
The synthesis pathway is designed with preliminary steps that build toward the final compound systematically. Intermediates such as the diol, monotosylate, and amino alcohol are prepared in advance with optimized conditions, reducing overall process time compared to traditional isolation methods.
Solution Approach 2:
The invention uses stable intermediate compounds (diol, monotosylate, azido alcohol, amino alcohol) that can be isolated and characterized at each step. These intermediaries allow for quality control and process optimization, reducing total time compared to attempting direct isolation of the final compound from natural sources.
3Ease of manufacture
If conventional synthesis methods are used, then compounds can be produced, but yields are poor and efficiency is low
Solution Approach 1:
The invention replaces traditional isolation mechanics with chemical synthesis mechanisms. Instead of extracting compounds from plant material through mechanical means (crushing, filtering, extracting), the compound is built atom-by-atom through controlled chemical reactions, dramatically improving yield and efficiency.
Solution Approach 2:
Each synthesis step uses optimized parameters: dihydroxylation with specific catalysts and conditions, monotosylation with controlled stoichiometry, azide substitution with optimized solvent systems, reduction with selective reagents, and coupling with DCC/DMAP catalysis. These parameter optimizations maximize yield at each stage.
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
The compounds demonstrate significant antiplasmodial activity with IC50 values ranging from 2 to 7 μg/mL/μM, effectively targeting 3D7 and K1 strains of Plasmodium falciparum, and can be formulated into pharmaceutical compositions for malaria treatment.
Implementation Method 1
subjecting the styrene compound of formula (B) for dihydroxylation to obtain the diol compound of formula (C)
Implementation Method 2
subjecting the diol compound of formula (C) to monotosylation to obtain the monotosylated compound of formula (D)
Implementation Method 3
treating the monotosylated compound of formula (D) with sodium azide to obtain the azido alcohol of formula (E)
Implementation Method 4
reducing the azido alcohol of formula (E) to furnish the amino alcohol of formula (F)
Implementation Method 5
coupling the amino alcohol of formula (F) with acid to obtain the compound of formula (I)
Data Source
Figure 1A~1G
AI summary
The present invention discloses anti-malarial compound of formula (I) Formula (I) wherein, X is selected from O or NH; R1, R2, R3, R4 and R5 is selected from H or OMe or CH3, -CH2-O-CH2- or -CH=CH-CH=CH-; Y is selected from O or NH and R6, R7 is selected from the following compounds: or pharmaceutically acceptable salts thereof, process for preparation and a pharmaceutical composition containing the same.