Synthesis of chiral cyclohexanes and carbasugars by 6-exo-dig radical cyclisation reactions
2008

Synthesis of Chiral Cyclohexanes and Carbasugars

publication Evidence: moderate

Author Information

Author(s): Rajeev K Shrivastava, Elise Maudru, Gurdial Singh, Richard H Wightman, Keith M Morgan

Primary Institution: Department of Chemistry, University of Sunderland

Hypothesis

Can carbohydrate-derived alkynes undergo 6-exo radical cyclisation to produce fully functionalised cyclohexanes and carbasugars?

Conclusion

The study successfully demonstrates that carbohydrate-derived alkynes can undergo 6-exo radical cyclisation to yield fully functionalised cyclohexanes and carbasugars.

Supporting Evidence

  • Carbohydrates can be used as precursors for synthesizing complex ring structures.
  • The study successfully separated diastereoisomers during the synthesis process.
  • Radical cyclisation reactions were shown to be effective in producing the desired cyclohexanes.

Takeaway

This study shows that we can make special sugar-like molecules using a specific chemical reaction that involves a type of ring formation.

Methodology

The study involved treating carbohydrate derivatives with lithium acetylides and conducting radical cyclisation reactions to synthesize the desired compounds.

Limitations

The aldehydes produced were somewhat unstable at room temperature, which could affect the results.

Digital Object Identifier (DOI)

10.3762/bjoc.4.43

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