Direct Tri- and Tetraphosphorylation Using Activated Polyphosphates
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Solution Overview
Problem
Current methods for synthesizing polyphosphorylated biomolecules, such as nucleoside triphosphates, are inefficient and costly due to the need for iterative steps, expensive reagents, and the requirement of monophosphorylated starting materials, limiting the availability and affordability of tri- and tetraphosphorylated molecules.
Innovation Solution
A method involving the use of activated polyphosphates, specifically trimetaphosphate and tetrametaphosphate, with peptide coupling agents like PyAOP to achieve direct tri- and tetraphosphorylation of compounds in a single step, eliminating the need for iterative processes and expensive silver salts, and allowing for the synthesis of a wide range of substrates without the need for monophosphorylated starting materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional iterative phosphorylation methods are used, then polyphosphorylated molecules can be synthesized, but the synthesis cost increases dramatically and the process becomes extremely time-consuming
Solution Approach 1:
The patent segments the polyphosphate chain into modular units that can be assembled through a single phosphorylation step using polyphosphoric acid as a source of multiple phosphate groups, rather than iteratively adding one phosphate at a time
Solution Approach 2:
The patent uses pre-activated phosphorylating agents (polyphosphoric acid derivatives) that have been prepared in advance with activating groups, allowing direct polyphosphorylation without requiring iterative activation steps for each phosphate group
2Manufacturing precision
If traditional phosphorylation methods are used, then polyphosphorylated molecules can be synthesized, but expensive reagents like silver salts and DCC are required
Solution Approach 1:
The patent replaces expensive reagents like silver salts and DCC with inexpensive polyphosphoric acid and simple bases, using disposable, low-cost materials that can be easily handled and disposed of
Solution Approach 2:
The patent introduces polyphosphoric acid as an intermediary reagent that serves as a source of multiple phosphate groups, mediating the transfer of phosphate groups to the substrate without requiring expensive coupling reagents
3Manufacturing precision
If traditional iterative phosphorylation methods are used, then polyphosphorylated molecules can be synthesized, but monophosphorylated starting materials are required
Solution Approach 1:
The patent creates a universal phosphorylation method using polyphosphoric acid that can directly phosphorylate substrates to any desired phosphate chain length (di-, tri-, tetra-phosphates) in a single step, making the method applicable to a wide range of substrates without requiring pre-functionalized starting materials
4Manufacturing precision
If traditional phosphorylation methods are used, then polyphosphorylated molecules can be synthesized, but tedious iterative steps of coupling, oxidation, and deprotection are required
Solution Approach 1:
The patent merges multiple synthetic operations (phosphorylation, chain extension, and final product formation) into a single reaction step using polyphosphoric acid, eliminating the need for separate coupling, oxidation, and deprotection steps required in traditional methods
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 approach simplifies the synthesis of tri- and tetraphosphorylated molecules, reducing costs and increasing efficiency, enabling the production of diverse polyphosphorylated compounds with improved accessibility and reduced production time, while maintaining the stability of sensitive linkages through the use of lipophilic counter-cations in polar, aprotic media.
Implementation Method 1
contacting the compound with an activated polyphosphate, wherein the compound includes a nucleophilic group
Implementation Method 2
maintaining the stability of sensitive linkages through the use of lipophilic counter-cations in polar, aprotic media
Data Source
AI summary
Metaphosphate compounds can directly phosphorylate other compounds to provide easy synthetic access to phosphorylated compounds, including cyclic phosphate compounds.