The structure of hormaomycin and one of its all-peptide aza-analogues in solution: Syntheses and biological activities of new hormaomycin analogues
2005 | journal article; research paper. A publication with affiliation to the University of Göttingen.
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The structure of hormaomycin and one of its all-peptide aza-analogues in solution: Syntheses and biological activities of new hormaomycin analogues
Reinscheid, U. M.; Ziatopolskiy, B. D.; Griesinger, C. ; Zeeck, A. & Meijere, A. de (2005)
Chemistry - A European Journal, 11(10) pp. 2929-2945. DOI: https://doi.org/10.1002/chem.200400977
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- Authors
- Reinscheid, Uwe M.; Ziatopolskiy, Boris D.; Griesinger, Christian ; Zeeck, Axel ; Meijere, Armin de
- Abstract
- Four new aza-analogues of hormaomycin 1, a secondary metabolite with interesting biological activities produced by Strepromyces griseoflavus, were synthesized and subjected to preliminary tests of their antibiotic activity to provide new insights into the structure-activity relationship studies of this class of compounds. The solution structures of hormaomycin 1 and its aza-analogue 2a were determined by NMR spectroscopy. The data exhibited a reasonably rigid conformation for both molecules, stabilized by stacking interactions between the aromatic moieties attached to the ring and the side chain. According to NMR-spectral data the aza-analogue epi-2a has a rather different conformation and indeed shows no antibacterial activity whatsoever.
- Issue Date
- 2005
- Journal
- Chemistry - A European Journal
- ISSN
- 0947-6539
- Language
- English