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A short synthesis of (+)-cyclophellitol
Flemming Gundorph Hansen1, Eva Bundgaard, Robert Madsen
1Center for Sustainable and Green Chemistry, Building 201, Department of Chemistry, Technical University of Denmark, DK-2800 Lyngby, Denmark.
The Journal of Organic Chemistry
|November 19, 2005
Summary
Researchers developed a novel nine-step synthesis for (+)-cyclophellitol, a powerful beta-glucosidase inhibitor. This efficient method provides the shortest route to this important natural product to date.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
- Natural Product Synthesis
Background:
- (+)-Cyclophellitol is a potent inhibitor of beta-glucosidase enzymes.
- Efficient synthetic routes are crucial for accessing and studying natural products with biological activity.
Purpose of the Study:
- To develop a novel and efficient synthetic pathway for (+)-cyclophellitol.
- To establish the shortest reported synthesis of (+)-cyclophellitol.
Main Methods:
- A nine-step synthesis starting from D-xylose.
- Key steps include zinc-mediated fragmentation and diastereoselective indium-mediated coupling.
- Utilized ring-closing olefin metathesis, ester reduction, epoxidation, and deprotection.
Main Results:
- Successfully synthesized (+)-cyclophellitol.
- Achieved the synthesis in nine steps, representing the shortest route to date.
- Key transformations demonstrated high diastereoselectivity.
Conclusions:
- A concise and efficient synthesis of (+)-cyclophellitol has been achieved.
- This new route offers a valuable method for accessing this potent beta-glucosidase inhibitor.