1995
DOI: 10.1021/np50126a026
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Chemical Constituents of Halophilic Facultatively Anaerobic Bacteria, 1

Abstract: Two new nitrotyramine derivatives, 1 and 2, along with five known aromatic compounds, were isolated from the culture broth of a facultatively anaerobic, halophilic bacterium isolated from a sediment from the Great Salt Plains, Alfalfa County, Oklahoma. The structures of the new compounds were determined from spectral data and were confirmed by synthesis from tyramine hydrochloride. Compound 1 showed cytotoxicity against the murine leukemia P-388 cell line (IC50 3 micrograms/ml).

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Cited by 12 publications
(9 citation statements)
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“…In particular from the genera Dysidea [11], Iotrochota [12,13], Tedania (Tedania) [14], Corallistes [15], Pleroma [16], Hymeniacidon [17], Pseudosuberites [18], and Spongosorites [19]. Brominated indoles have also been reported in other non-sponge marine taxa, for example, 12 from the ascidian Leptoclinides durus [20] and 14 from bacteria isolated from marine sediment [21]. Indole 4 has displayed nematocidal activity against the parasite Haemochus contortus [17].…”
Section: Indole Alkaloidsmentioning
confidence: 97%
See 1 more Smart Citation
“…In particular from the genera Dysidea [11], Iotrochota [12,13], Tedania (Tedania) [14], Corallistes [15], Pleroma [16], Hymeniacidon [17], Pseudosuberites [18], and Spongosorites [19]. Brominated indoles have also been reported in other non-sponge marine taxa, for example, 12 from the ascidian Leptoclinides durus [20] and 14 from bacteria isolated from marine sediment [21]. Indole 4 has displayed nematocidal activity against the parasite Haemochus contortus [17].…”
Section: Indole Alkaloidsmentioning
confidence: 97%
“…Many of these pyrrole derivatives have displayed various biological activities. Mycalazal 2 (20) and the mycalazols 1-12 (21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32) showed cytotoxicity against a panel of cell lines (P388, SCHABEL, A549, HT29, and MEL28) with ED 50 values of less than 10 µg/mL, and many of these compounds displaying ED 50 values of less than 2.5 µg/mL. Of these, mycalazol 6 (26) was the most active with an ED 50 value of 2 µg/mL for MEL28 and 1 µg/mL for the remaining cell lines [24].…”
Section: Pyrrole Derivativesmentioning
confidence: 99%
“…In Figure 1, the structure of Aetokthonotoxin ( 1 ) is depicted, exhibiting several structural features rarely (if at all) found in natural products: i) AETX is the only known naturally produced 1,2’‐bi‐1 H ‐indole. ii) Only one other natural product contains an indole‐3‐carbonitrile [2] . iii) Most prominent, also from the isotope pattern that is observed in mass spectrometry analyses, are the five bromo substituents accounting for 61 % of the molecular weight.…”
Section: Figurementioning
confidence: 99%
“…ii) Only one other natural product contains an indole‐3‐carbonitrile. [2] iii) Most prominent, also from the isotope pattern that is observed in mass spectrometry analyses, are the five bromo substituents accounting for 61 % of the molecular weight.…”
mentioning
confidence: 97%
“…Ebenso fiel 69 neben anderen Indolen als Metabolit aus Screening-Ansätzen von u.a. anaeroben, halophilen Bakterien [122] oder marinen Rotalgen [123 ] an. chemischen Verschiebungen in Zusammenhang mit Datenbankrecherchen [68,72] Streptomyces viridochromogenes Tü 1678 isoliert und charakterisiert.…”
Section: Actinomyces Sp Wa283 (Gs Dv283)unclassified