Trofinetide Synthesis via Novel Intermediate for High-Purity Scale-Up
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Solution Overview
Problem
Current methods for synthesizing trofinetide and its intermediates are limited, lacking cost-effective processes that yield high purity and scalability for large-scale production.
Innovation Solution
A novel process involving specific chemical reactions and reagents is developed to produce trofinetide with a purity of 99.0% or more, using intermediates like Formula II, and includes steps such as reacting compounds of Formula VII with N-Hydroxysuccinimide, Formula V or salts, and Formula III, followed by deprotection to obtain trofinetide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional synthesis methods are used, then existing trofinetide production can be maintained, but purity and scalability for large-scale production are insufficient
Solution Approach 1:
The synthesis process is divided into multiple discrete steps with isolated intermediates (Formula VII→VI→IV→II→I). Each step can be independently optimized and controlled, enabling both high purity through selective purification at each stage and scalability by allowing parallel processing and modular scale-up of individual steps.
2Productivity
If existing synthesis processes are used, then current production capacity is maintained, but cost-effectiveness and overall yield are limited
Solution Approach 1:
Protecting groups are strategically installed in advance (Boc on glycine, OtBu on glutamate) before the main coupling reactions. This preliminary action prevents unwanted side reactions during subsequent steps, reducing material waste and improving overall yield while maintaining cost-effectiveness through higher reaction efficiencies.
Solution Approach 2:
The synthesis employs specific reagents and conditions optimized for each transformation step (e.g., EDC/HOBt for amide coupling, TFA for deprotection). By carefully controlling parameters such as solvent choice, temperature, and stoichiometry at each stage, the process achieves high yields that reduce material costs despite multiple steps.
3Productivity
If traditional synthesis approaches are used, then established procedures are followed, but throughput and ease of scaling for large-scale production are insufficient
Solution Approach 1:
The multi-step synthesis with well-defined intermediates allows each step to be performed in separate reactors or vessels, enabling parallel processing and continuous manufacturing approaches. This segmentation increases throughput while keeping individual step complexity manageable, facilitating scale-up to large-scale production.
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 process achieves high purity and scalability, producing trofinetide with purities up to 99.9% and chiral purities of 99.9%, suitable for pharmaceutical compositions and treatment of Rett syndrome.
Implementation Method 1
reacting a compound of Formula VII with N-Hydroxysuccinimide in the presence of one or more reagents to obtain a compound of Formula VI
Implementation Method 2
reacting the compound of Formula VI with a compound of Formula V or salts thereof, in the presence of one or more bases to obtain a compound of Formula IV
Implementation Method 3
reacting the compound of Formula IV with a compound of Formula III or salts in the presence of one or more reagents to obtain a compound of Formula II
Implementation Method 4
deprotecting the compound of Formula II with a reagent to obtain trofinetide compound
Data Source
AI summary
Present invention relates to Trofinetide of Formula I having a purity of 99.0% or more and one or more of each of compound of Formula II, compound of Formula A, compound of Formula B, compound of Formula C, compound of Formula D, compound of Formula E, or compound of Formula F,which when present, is in a detectable amount of about 0.15% or less, as measured by area percentage of HPLC. In particular, the present invention relates to novel intermediate compound of Formula II, process for the preparation of novel intermediate and use of novel intermediate compound in the preparation of trofinetide. Present invention further relates to use of trofinetide in the preparation of composition comprising trofinetide.