116049-57-1—Fluorinated sugar building blocks critical in drug synthesis

2-acetamido-1,3,6-tri-O-acetyl-2,4-dideoxy-4-fluoro-D-glucopyranose is a fluorinated sugar intermediate with important synthetic value. The introduction of fluorine atoms in its structure provides a unique molecular modification tool for the fields of glycochemistry and medicinal chemistry, showing significant potential in the design and development of innovative drugs.

Chemical Information

Chemical name: 2-acetylamino-1,3,6-tri-O-acetyl-2,4-dideoxy-4-fluoro-D-glucopyranose

Common name: 2-Acetamido-2,4-dideoxy-4-fluoro-D-glucopyranose

Chemical formula: C14H20FNO8

Molecular weight: 349.31 g/mol

CAS number: 116049-57-1

Category: Fluorinated Compound

Structural features

The core value of this compound stems from its carefully designed fluorinated sugar backbone:

Strategic fluorine atom substitution: At the C-4 position of the sugar ring, the hydrogen atom is specifically replaced by a fluorine atom. The fluorine atom has high electronegativity and small atomic radius. This unique substitution can significantly change the electron distribution, conformational stability and metabolic sensitivity of the parent sugar molecule without causing excessive steric hindrance.

Comprehensive hydroxyl protection: 1, 3, and 6 hydroxyl groups are all protected by acetyl groups. This protection strategy ensures the chemical selectivity of the molecule in subsequent synthesis steps, allowing the reaction to be precisely directed to unprotected or specific deprotected sites. It is a key design for high-efficiency, multi-step synthesis.

Modified amino sugar backbone: The C-2 position is connected with an acetylamino group, forming a typical N-acetyl amino sugar structure. This structural unit is widely present in many biologically active natural products and glycoconjugates, and is an important primitive for drug molecule simulation or intervention in the biorecognition process.

Main applications and advantages

Key intermediates in the synthesis of carbohydrate drugs and active molecules

As structurally defined fluorinated monosaccharide building blocks, this compound is a valuable starting material for the synthesis of complex oligosaccharides, glycosides or glycosylated natural product derivatives. The fluorine atom at the C-4 position can be used as a bioisostere to explore the function of specific hydroxyl groups in the interaction between sugar molecules and target proteins (such as enzymes or receptors), thereby optimizing the activity, selectivity or pharmacokinetic properties of the drug.

Tool molecules for fluorine chemistry and sugar chemistry research

The introduction of fluorine atoms provides an ideal probe for studying the structure-activity relationship of carbohydrate compounds. Using this intermediate, researchers can systematically evaluate the impact of fluorine substitution on glycosidic bond stability, sugar ring conformation, lipophilicity, and transmembrane transport ability. These basic studies are crucial for the rational design of a new generation of glycosylated drugs.

Development of drug candidates with enhanced metabolic stability

In many bioactive sugar molecules or nucleoside analogs, the hydroxyl group is a common site of metabolic degradation. Replacing specific hydroxyl groups with fluorine atoms can effectively resist the catalysis of related metabolic enzymes, thereby prolonging the action time of the molecule in the body and improving its bioavailability. This compound provides a direct synthetic entry point for the development of such metabolically stable drug candidate molecules.

Research on glycoprotein mimics and sugar vaccines

N-acetylglucosamine is an important component of sugar chains in many glycoproteins. Analogs containing fluorine substitutions can be used to synthesize structurally stable glycopeptides or glycoprotein mimetics that are useful for studying the role of glycosylation in immune recognition and may serve as components in the development of vaccines or targeted drugs based on glycoantigens.

Conclusion

2-acetamido-1,3,6-tri-O-acetyl-2,4-dideoxy-4-fluoro-D-glucopyranose represents a class of elegantly designed molecules at the intersection of fluorochemistry and glycochemistry. Its highly functionalized and protected properties make it an efficient and versatile building block in the toolbox of medicinal and synthetic chemists, providing a solid chemical foundation for exploring the unknown functions of carbohydrate molecules and developing therapeutic agents with improved properties.

The above information is provided by the editor of KASONS and is for scientific research only.