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Total Synthesis of Tunicamycin V
Kazuki Yamamoto1, Fumika Yakushiji1,2, Takanori Matsumaru1,2
1Faculty of Pharmaceutical Sciences, Hokkaido University , Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.
Organic Letters
|December 20, 2017
Summary
Researchers achieved the total synthesis of tunicamycin V, a molecule important for biological activity. The strategy involved key steps like Mukaiyama aldol reactions and selective glycosylation to build the complex structure.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
- Medicinal Chemistry
Background:
- Tunicamycin V is a significant natural product with notable biological activities.
- Understanding its structure and synthesis is crucial for further research and potential applications.
- Previous synthetic routes may have limitations in efficiency or selectivity.
Purpose of the Study:
- To describe the first total synthesis of tunicamycin V.
- To establish a synthetic strategy centered on the key tunicaminyluracil moiety.
- To explore novel synthetic methodologies for constructing complex glycosylated natural products.
Main Methods:
- Utilized a Mukaiyama aldol reaction for initial carbon-carbon bond formation.
- Employed furan-oxidation to construct the undecose skeleton.
- Incorporated a [3,3] sigmatropic rearrangement of a cyanate and selective trehalose-type glycosylation.
Main Results:
- Successfully achieved the total synthesis of tunicamycin V.
- Demonstrated the importance of tunicaminyluracil in the synthetic strategy.
- Established a robust and selective method for constructing the glycosidic linkage.
Conclusions:
- The developed synthetic route provides efficient access to tunicamycin V.
- The strategy highlights the significance of tunicaminyluracil in biological activity.
- This synthesis opens avenues for analog development and biological evaluation.
