Total Synthesis of Crocagin A.
Filip Bihelovic1,2, Desiree Stichnoth1, Frank Surup3
1Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, 81377, Munich, Germany.
Angewandte Chemie (International Ed. in English)
|August 17, 2017
Summary
Researchers developed an efficient synthesis for crocagin A, a molecule with unique structure and bioactivity. This method confirms its configuration and allows for creating derivatives for further study.
Area of Science:
- Organic Chemistry
- Natural Product Synthesis
- Medicinal Chemistry
Background:
- Crocagin A is a natural product with a complex molecular structure.
- Its biosynthesis and bioactivity are not fully understood.
- Access to crocagin A is limited, hindering further research.
Purpose of the Study:
- To develop an efficient synthetic route for crocagin A.
- To confirm the absolute configuration of crocagin A.
- To provide crocagin A and its derivatives for biological evaluation.
Main Methods:
- Early formation of the heterotricyclic core.
- Electrophilic amination strategy.
- Stereoselective hydrogenation of a tetrasubstituted double bond.
Main Results:
- An efficient synthesis of crocagin A was achieved.
- The synthesis confirmed the absolute configuration of crocagin A.
- The methodology provides access to crocagin A and novel derivatives.
Conclusions:
- The presented synthesis is efficient and scalable.
- The absolute configuration of crocagin A is now established.
- The synthetic route facilitates further biological investigation of crocagin A and its analogs.


