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Yanucamides A and B, Two New Depsipeptides from an Assemblage of the Marine Cyanobacteria Lyngbya majuscula and Schizothrix Species
journal contribution
posted on 2000-01-20, 00:00 authored by Namthip Sitachitta, R. Thomas Williamson, William H. GerwickYanucamides A (1) and B (2) were isolated from the lipid extract of a Lyngbya majuscula and Schizothrix
sp. assemblage collected at Yanuca Island, Fiji. The structures of compounds 1 and 2 were determined
by spectroscopic methods. Both compounds contain a unique 2,2-dimethyl-3-hydroxy-7-octynoic acid, which
has previously been described only as a component of kulolide-1 (3) and kulokainalide-1 (4), metabolites
from the marine mollusk Philinopsis speciosa. Thus, the isolation of the yanucamides from this
cyanobacterial assemblage supports the hypothesis that the kulolides and related metabolites are of
cyanobacterial origin.
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dimethylSchizothrix Species Yanucamidescyanobacterial originacidcyanobacterial assemblagekulokainalideSchizothrix spLyngbya majusculaYanuca Islandcompounds 1lipidcomponentkulolideAssemblagemetabolitespectroscopic methodsMarine Cyanobacteria Lyngbya m ajusculamarine mollusk Philinopsis speciosayanucamideNew DepsipeptidesisolationhypothesisFiji
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