New syntheses of thiosaccharides utilizing substitution reactions

Area of Science:

• Carbohydrate Chemistry
• Organic Synthesis
• Medicinal Chemistry

Background:

• Carbohydrates are crucial biomolecules with diverse biological functions.
• Incorporating sulfur atoms into carbohydrate structures can significantly alter their properties and applications.
• Developing efficient synthetic routes for sulfur-containing carbohydrates is an ongoing challenge in organic chemistry.

Purpose of the Study:

• To review novel synthetic methodologies for sulfur-containing carbohydrates published from 2005 onwards.
• To categorize these methods based on the position of sulfur incorporation within the sugar moiety.
• To focus exclusively on synthetic strategies employing substitution reactions.

Main Methods:

• Literature search for synthetic carbohydrate chemistry publications since 2005.
• Classification of synthetic methods based on the location of sulfur atoms (e.g., C-S, O-S, N-S bonds).
• Analysis of substitution reactions as the primary synthetic approach.

Main Results:

• A comprehensive overview of recent advancements in the synthesis of various sulfur-containing carbohydrates.
• Detailed discussion of methods for introducing sulfur at different positions of the carbohydrate scaffold.
• Highlighting the utility of substitution reactions in accessing these unique glycoconjugates.

Conclusions:

• Significant progress has been made in the synthesis of sulfur-containing carbohydrates since 2005.
• Substitution reactions offer versatile pathways for the targeted introduction of sulfur atoms.
• These synthetic advancements facilitate further exploration of sulfur-modified carbohydrates in various scientific fields.