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A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
Total synthesis of (-)-salviasperanol
George Majetich1, Ge Zou, Jeremy Grove
1Department of Chemistry, University of Georgia, Athens, Georgia 30602, USA. majetich@chem.uga.edu
Organic Letters
|December 7, 2007
Summary
An achiral enynone was cyclized to a tricyclic dienone. This intermediate was then converted in six steps to the natural product (-)-salviasperanol.
Area of Science:
- Organic Chemistry
- Natural Product Synthesis
Background:
- (-)-Salviasperanol is a complex natural product with potential biological activities.
- Efficient synthetic routes to natural products are crucial for further study and potential applications.
Purpose of the Study:
- To develop a concise synthetic strategy for (-)-salviasperanol.
- To demonstrate the utility of a novel cyclization reaction in natural product synthesis.
Main Methods:
- Achiral enynone precursor synthesis.
- Tandem cyclization reaction to form the tricyclic dienone core.
- Multi-step functional group transformations and stereochemical control to reach the target.
Main Results:
- Successful cyclization of the achiral enynone to a key tricyclic dienone intermediate.
- Conversion of the intermediate to (-)-salviasperanol in six steps.
- Stereoselective synthesis of the natural product.
Conclusions:
- A new synthetic route to (-)-salviasperanol has been established.
- The developed cyclization strategy is effective for constructing complex polycyclic systems.
- This work provides a foundation for exploring analogs of (-)-salviasperanol.