期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 28, 期 67, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202202164
关键词
chemical evolution; griseofulvin; hedgehog signaling inhibitors; polyketide natural product fragments; pseudo-natural products
资金
- Max-Planck-Gesellschaft
- Aventis Foundation
- Stiftung Stipendien-Fonds of the Verband der Chemischen Industrie (VCI)
- Projekt DEAL
Pseudo-natural products (pseudo-NPs) are novel bioactive compounds that are formed by combining fragments of natural product (NP) in new ways. Previously, pseudo-NPs were created by combining fragments from unrelated NPs, but this study shows that combining fragments from related NPs can also lead to novel chemotypes with unique bioactivity.
Pseudo-natural products (pseudo-NPs) are de novo combinations of natural product (NP) fragments that define novel bioactive chemotypes. For their discovery, new design principles are being sought. Previously, pseudo-NPs were synthesized by the combination of fragments originating from biosynthetically unrelated NPs to guarantee structural novelty and novel bioactivity. We report the combination of fragments from biosynthetically related NPs in novel arrangements to yield a novel chemotype with activity not shared by the guiding fragments. We describe the synthesis of the polyketide pseudo-NP grismonone and identify it as a structurally novel and potent inhibitor of Hedgehog signaling. The insight that the de novo combination of fragments derived from biosynthetically related NPs may also yield new biologically relevant compound classes with unexpected bioactivity may be considered a chemical extension or diversion of existing biosynthetic pathways and greatly expands the opportunities for exploration of biologically relevant chemical space by means of the pseudo-NP principle.
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