129728-92-3—Precision tools for fluorinated sugar chemistry research and development
2-acetamido-2,4-dideoxy-4-fluoro-D galactopyranose is a carbohydrate derivative with precise fluorine atom modification and represents a cutting-edge synthetic building block at the intersection of glycochemistry and medicinal chemistry. Its unique structure, which selectively introduces fluorine atoms at the C-4 position of the galactosamine skeleton and removes the original hydroxyl group, provides a key molecular tool for exploring the structure-activity relationship, metabolic stability and biological activity regulation of sugar molecules.
2-acetamido-2,4-dideoxy-4-fluoro-D galactopyranose is a carbohydrate derivative with precise fluorine atom modification and represents a cutting-edge synthetic building block at the intersection of glycochemistry and medicinal chemistry. Its unique structure, which selectively introduces fluorine atoms at the C-4 position of the galactosamine skeleton and removes the original hydroxyl group, provides a key molecular tool for exploring the structure-activity relationship, metabolic stability and biological activity regulation of sugar molecules.
Chemical Information
Chemical name: 2-acetylamino-2,4-dideoxy-4-fluoro-D galactopyranose
Common name: 4-fluoro-N-acetyl-D-galactosamine analog
Chemical formula: C8H14FNO5
Molecular weight: 223.199 g/mol
CAS number: 129728-92-3
Category: Fluorinated Compound
Structural features
The core value of this compound stems from its precisely tailored fluorination modification, which brings key properties that distinguish it from natural sugar molecules:
Precise fluorine atom substitution: At the C-4 position of the sugar ring, the natural hydroxyl group (-OH) is replaced with a fluorine atom (F). Fluorine atoms have a van der Waals radius similar to that of hydrogen atoms, but their electronegativity is extremely strong and can significantly change the local electron cloud density without causing excessive steric hindrance changes.
Dual characteristics of simulation and blocking: This structure allows it to cleverly simulate the spatial conformation of natural sugar ligands and bind to target proteins (such as lectins, glycosidases or glycosyltransferases). At the same time, the high strength and metabolic stability of the C-F bond can block sugar molecules from being recognized and catalyzed by enzymes (such as glycosidases or epimerases) at the C-4 position, thereby serving as a mechanistic inhibitor of enzyme action or a probe of metabolic stability.
Conformational locking effect: The introduction of C-F bonds may affect the conformational balance of the sugar ring and the stability of the glycosidic bond through the adjacent group participation effect or electrostatic interaction, providing a unique perspective for studying the relationship between sugar conformation and biological activity.
Main applications and potential
Probe molecules for glycobiology and glycozymology research
As precisely modified sugar analogs, they are indispensable tools for studying the mechanisms of glycoside hydrolases, glycosyltransferases, and sugar recognition proteins (such as lectins). By observing how they are processed by enzymes or bound to proteins, the precise spatial and electronic requirements of the enzyme's active center can be revealed, as well as the sugar-mediated biorecognition process.
Key synthetic building blocks in medicinal chemistry
In novel drug development, fluorinated sugar units are widely used to improve the properties of lead compounds. Introducing this molecule into glycopeptides, glycolipids or small molecule inhibitors can effectively enhance the metabolic stability of the parent molecule, change its lipophilicity, and optimize its affinity with the target. This has clear application prospects in the development of carbohydrate-targeted therapies for infectious diseases, cancer, and inflammatory diseases.
Glycosylation engineering and diagnostic tool development
can be used as a non-natural glycosylation precursor, which can be utilized by cells through metabolic glycoengineering technology and incorporated into cell surface glycans to chemically mark cell membranes for cell tracking, imaging or specific isolation. In addition, probes designed based on them can be used to detect the activity of specific sugar-related enzymes as potential disease biomarker detection tools.
Conclusion
2-acetamido-2,4-dideoxy-4-fluoro-D galactopyranose is much more than a simple fluorinated intermediate. It embodies the ability of modern synthetic chemistry to precisely engineer biomolecules and is a bridge molecule connecting basic glycoscience and applied drug development. From decoding complex glycosylation processes to developing next-generation carbohydrate-based therapeutic and diagnostic strategies, its value as a core building block is increasingly highlighted.
The above information is provided by the editor of KASONS and is for scientific research only.