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Biology-Oriented Synthesis of a Withanolide-Inspired Compound Collection Reveals Novel Modulators of Hedgehog Signaling

Biology‐oriented synthesis employs the structural information encoded in complex natural products to guide the synthesis of compound collections enriched in bioactivity. The trans‐hydrindane dehydro‐δ‐lactone motif defines the characteristic scaffold of the steroid‐like withanolides, a plant‐derived...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2015-05, Vol.54 (19), p.5596-5602
Main Authors: Švenda, Jakub, Sheremet, Michael, Kremer, Lea, Maier, Lukáš, Bauer, Jonathan O., Strohmann, Carsten, Ziegler, Slava, Kumar, Kamal, Waldmann, Herbert
Format: Article
Language:English
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Summary:Biology‐oriented synthesis employs the structural information encoded in complex natural products to guide the synthesis of compound collections enriched in bioactivity. The trans‐hydrindane dehydro‐δ‐lactone motif defines the characteristic scaffold of the steroid‐like withanolides, a plant‐derived natural product class with a diverse pattern of bioactivity. A withanolide‐inspired compound collection was synthesized by making use of three key intermediates that contain this characteristic framework derivatized with different reactive functional groups. Biological evaluation of the compound collection in cell‐based assays that monitored biological signal‐transduction processes revealed a novel class of Hedgehog signaling inhibitors that target the protein Smoothened. BIOS delivers a collection of compounds with the trans‐hydrindane dehydro‐δ‐lactone scaffold, which are based on the withanolide natural products, in a stereoselective fashion. A biological investigation of the compounds revealed novel and potent inhibitors of the Hedgehog signaling pathway, which bind to the protein Smoothened.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201500112