GZD824 Amidation Synthesis via Mild Base Catalysis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for producing GZD824, a BCR-ABL inhibitor, are inefficient and costly due to harsh reaction conditions and multiple synthetic steps, limiting large-scale production and yield.
Innovation Solution
A novel method involving an amidation reaction under mild conditions using specific solvents and bases, with controlled temperature and post-treatment processes, to produce GZD824 with higher yields and improved purity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple synthetic steps with harsh reaction conditions are used to prepare GZD824, then the product can be obtained, but the production cost increases and large-scale production is limited
Solution Approach 1:
The patent changes the reaction parameters from harsh conditions to mild conditions. Specifically, it uses mild base catalysts (such as Cs2CO3, KI) instead of strong bases, conducts reactions at moderate temperatures (25-40°C) instead of high temperatures, and uses common solvents (acetonitrile, DMF, DMSO) instead of specialized reagents. These parameter changes enable both high purity product and scalable production.
Solution Approach 2:
The patent extracts and eliminates the harsh reaction conditions from the synthesis pathway. By removing the need for high temperatures, strong bases, and specialized reagents, the process becomes suitable for large-scale production while maintaining product purity through the use of milder, more controlled reaction conditions.
2Reliability
If high reaction temperature and pressure-resistant sealed tubes are used, then the reaction can proceed, but the device complexity and safety requirements increase
Solution Approach 1:
The patent changes the temperature and pressure parameters from high to moderate levels. Reactions are conducted at 25-40°C using simple flasks instead of pressure-resistant sealed tubes. This parameter change maintains reaction reliability while eliminating the need for complex equipment and reducing safety requirements.
3Manufacturing precision
If high performance liquid chromatography is used for purification at each synthetic step, then product purity is achieved, but the production cost and time increase
Solution Approach 1:
The patent extracts and eliminates the need for HPLC purification from the synthesis pathway. By designing a route with mild reaction conditions that produce fewer impurities and using simple filtration or recrystallization methods, the process achieves high purity products without time-consuming HPLC steps, thereby reducing both time and cost.
4Manufacturing precision
If multiple synthetic steps with wide variety of chemical reagents are used, then the desired product is obtained, but the process complexity and cost increase
Solution Approach 1:
The patent uses universal, commonly available reagents and solvents (acetonitrile, DMF, DMSO, Cs2CO3, KI) that can be applied across multiple steps and scales. This universality simplifies the process by eliminating the need for specialized reagents, reducing process complexity while maintaining the ability to produce the desired product structure.
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
This method simplifies the production process, reduces costs, and achieves high yields and purity, making it suitable for large-scale industrial production while ensuring environmental safety by minimizing heavy metal contamination.
Implementation Method 1
provided herein is a method for preparing GZD824 (Compound 6)... the method comprises reacting a compound of formula 4 and a compound of formula 5 to provide Compound 6
Data Source
AI summary
Disclosed herein are a process for preparing alkynyl-containing compound and intermediate thereof. In particular, the present invention discloses a process for preparing a compound of formula 6 as shown in below and a pharmaceutical composition comprising a compound of formula 6 for treating cancer,