Modular automated solid phase synthesis of dermatan sulfate oligosaccharides

Area of Science:

• Carbohydrate Chemistry
• Glycobiology
• Biochemistry

Background:

• Dermatan sulfates are crucial glycosaminoglycan polysaccharides within the extracellular matrix.
• They play diverse and significant biological roles.
• Understanding their structure and synthesis is key to exploring their functions.

Purpose of the Study:

• To develop an automated synthesis strategy for dermatan sulfate oligosaccharides.
• To utilize orthogonally protected building blocks for controlled synthesis.
• To incorporate a photo-cleavable linker for facile product release.

Main Methods:

• Employed orthogonally protected D-galactosamine and L-iduronic acid building blocks.
• Integrated a photo-cleavable linker into the synthesis strategy.
• Performed automated synthesis of dermatan sulfate oligosaccharides.

Main Results:

• Successfully synthesized dermatan sulfate oligosaccharides using the developed automated method.
• Achieved good yields of the target oligosaccharides.
• Obtained conjugation-ready oligosaccharides suitable for further applications.

Conclusions:

• Automated synthesis of dermatan sulfate oligosaccharides is feasible and efficient.
• The methodology provides access to valuable carbohydrate-based tools.
• This facilitates further research into the biological roles of dermatan sulfates.