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- Title
Total Synthesis and Bioactivity Mapping of Geodiamolide H.
- Authors
Nasufović, Veselin; Küllmer, Florian; Bößneck, Johanna; Dahse, Hans‐Martin; Görls, Helmar; Bellstedt, Peter; Stallforth, Pierre; Arndt, Hans‐Dieter
- Abstract
The first total synthesis of the actin‐stabilizing marine natural product geodiamolide H was achieved. Solid‐phase based peptide assembly paired with scalable stereoselective syntheses of polyketide building blocks and an optimized esterification set the stage for investigating the key ring‐closing metathesis. Geodiamolide H and synthetic analogues were characterized for their toxicity and for antiproliferative effects in cellulo, by characterising actin polymerization induction in vitro, and by docking on the F‐actin target and property computation in silico, for a better understanding of structure‐activity relationships (SAR). A non‐natural analogue of geodiamolide H was discovered to be most potent in the series, suggesting significant potential for tool compound design.
- Subjects
MARINE natural products; STRUCTURE-activity relationships; POLYMERIZATION; F-actin; POLYKETIDES; ACTIN; POLYKETIDE synthases
- Publication
Chemistry - A European Journal, 2021, Vol 27, Issue 45, p11633
- ISSN
0947-6539
- Publication type
Academic Journal
- DOI
10.1002/chem.202100989