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Concise synthesis of ricciocarpin A and discovery of a more potent analogue

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Michrowska,  Anna
Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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List,  Benjamin
Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Michrowska, A., & List, B. (2009). Concise synthesis of ricciocarpin A and discovery of a more potent analogue. Nature Chemistry, 1, 225-228. doi:10.1038/nchem.215.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-8EB3-6
Abstract
Cascade reactions enable the rapid build-up of molecular complexity from relatively simple starting materials. Both rapid construction and the ability to prepare related structures are crucial to the study of biological activities. Here, we report an efficient, highly enantioselective and diastereoselective total synthesis of ricciocarpin A. The key feature of the synthesis is a one-pot, three-step, organocatalytic reductive Michael–Tishchenko cascade. The conciseness and flexibility of this approach not only resulted in the synthesis of the natural product, but also of its antipode and four other structural analogues. A preliminary biological evaluation of these compounds identified an analogue with significantly improved molluscicidal activity.