Kottamides A-D: novel bioactive imidazolone-containing alkaloids from the New Zealand ascidian Pycnoclavella kottae.
Kottamides A-D (1-4), novel 2,2,5-trisubstituted imidazolone-containing alkaloids, were isolated from the New Zealand endemic ascidian Pycnoclavella kottae and structurally characterized using 15N natural abundance 2-D NMR in addition to standard spectroscopic methods. The kottamides exhibited anti-inflammatory and anti-metabolic activity as well as cytotoxicity toward tumor cell lines.
Department of Chemistry, The University of Auckland, Private Bag 92019, Auckland, New Zealand.
David R
DR
Appleton
Michael J
MJ
Page
Gretchen
G
Lambert
Michael V
MV
Berridge
Brent R
BR
Copp
D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D000595:Amino Acid Sequence; D000818:Animals; D000900:Anti-Bacterial Agents; D000890:Anti-Infective Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D000935:Antifungal Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D000970:Antineoplastic Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D000998:Antiviral Agents / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D002176:Candida albicans / Q000187:drug effects; D004354:Drug Screening Assays, Antitumor; D004926:Escherichia coli / Q000187:drug effects; D007191:Indazoles / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D020128:Inhibitory Concentration 50; D007938:Leukemia; D007941:Leukemia P388; D051379:Mice; D015394:Molecular Structure; D009520:New Zealand; D019906:Nuclear Magnetic Resonance, Biomolecular; D013237:Stereoisomerism; D014249:Trichophyton / Q000187:drug effects; D014407:Tumor Cells, Cultured / Q000187:drug effects; D014561:Urochordata / Q000737:chemistry*
D000470:Alkaloids; D000900:Anti-Bacterial Agents; D000890:Anti-Infective Agents; D000935:Antifungal Agents; D000970:Antineoplastic Agents; D000998:Antiviral Agents; D007191:Indazoles