1986
DOI: 10.1002/jlac.198619860301
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Drei neue Aminosäuren aus dem Nikkomycin‐Komplex — Strukturaufklärung und Synthese

Abstract: Aus dem Kulturfiltrat von Streptomyces tendae Tue 901 wurden weitere neue Metabolite charakterisiert: 2-Amino-4-hydroxy-3-methyl-4-(2-pyridyl)buttersaure (1) [Nikkomycin El, die dazu isomere 2-Amino-4-hydroxy-3-methyl-4-(3-pyridyl)buttersaure (2) [als N-terminaler Baustein der Nikkomycine P, (5) und R, (6)] und 2-Amino-4-hydroxy-4-(2-pyridyl)butterslure (3) [als N-terminale Aminosaure der Nikkomycine K, (7) und K, (S)]. Die Strukturaufklarung erfolgte durch Kernresonanz, Massenspektrometrie und durch Vergle… Show more

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Cited by 30 publications
(13 citation statements)
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“…128 It was therefore speculated that nature (Figure 29). 132,133 As CS inhibitors these compounds exhibited a wide spectrum of activities against fungi, whilst they are harmless to plants and human since they do not have the target enzyme. The ability of nikkomycins and polyoxins to block the CS is due to their structural similarity to the natural substrate of this enzyme, the uridine-diphosphate-N-acetylglucosamine (UDP-GlcNAc).…”
Section: Nucleoside Analogues As Inhibitors Of Peptidoglycan Biosynthmentioning
confidence: 99%
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“…128 It was therefore speculated that nature (Figure 29). 132,133 As CS inhibitors these compounds exhibited a wide spectrum of activities against fungi, whilst they are harmless to plants and human since they do not have the target enzyme. The ability of nikkomycins and polyoxins to block the CS is due to their structural similarity to the natural substrate of this enzyme, the uridine-diphosphate-N-acetylglucosamine (UDP-GlcNAc).…”
Section: Nucleoside Analogues As Inhibitors Of Peptidoglycan Biosynthmentioning
confidence: 99%
“…(Figure ) Later on, in 1976, from the fermentation broth of Streptomyces tendae a new class of antibiotic structurally related to polyoxin was isolated and named nikkomycin X ( 53a ) and nikkomycin Z ( 53b ) (Figure ). , …”
Section: Chitin Synthase Inhibitorsmentioning
confidence: 99%
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“…21, 22 The stereochemistry of 2-amino-3methyl-4-phenylbutanoic acid in the last two natural species remains unassigned. In addition, c-hydroxy substituted b-methyla-homophenylalanines can be found in many biologically active substances like antifungal nikkomycins 23 and immunosuppresive cymbimycins. 24…”
Section: Introductionmentioning
confidence: 99%