1-De-oxy-1-fluoro-l-galactitol.

Area of Science:

• Carbohydrate Chemistry
• Structural Chemistry
• Crystallography

Background:

• Understanding the stereochemistry of carbohydrate derivatives is crucial for their applications.
• Fluorinated carbohydrates offer unique properties compared to their non-fluorinated counterparts.
• Detailed structural analysis provides insights into molecular interactions.

Purpose of the Study:

• To unequivocally confirm the relative and absolute stereochemistry of 6-deoxy-6-fluoro-d-galactitol.
• To elucidate the intermolecular interactions and crystal packing of the title compound.
• To provide a foundation for further research into fluorinated carbohydrate analogues.

Main Methods:

• Single-crystal X-ray diffraction analysis was employed to determine the crystal structure.
• The relative stereochemistry was confirmed through direct structural elucidation.
• Absolute stereochemistry was assigned based on the use of d-galactose as a chiral starting material.

Main Results:

• The crystal structure confirmed the relative stereochemistry of 6-deoxy-6-fluoro-d-galactitol (C(6)H(13)FO(5)).
• The absolute stereochemistry was established, consistent with the d-galactose precursor.
• Molecules form a 3D network through extensive O-H⋯O and O-H⋯F hydrogen bonding.

Conclusions:

• The crystal structure provides definitive proof of the stereochemical configuration of 6-deoxy-6-fluoro-d-galactitol.
• The hydrogen bonding network highlights the significant role of intermolecular forces in stabilizing the crystal lattice.
• This structural data is vital for the rational design and synthesis of novel fluorinated carbohydrates.