期刊
TETRAHEDRON
卷 64, 期 28, 页码 6628-6634出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2008.05.031
关键词
cyanobacteria; Microcystis; natural products
Three new metabolites, microphycin AL828, microguanidine AL772, and microginin AL584 and three known metabolites, anabaenopeptin F, oscillamide Y, and microcin SF608 were isolated from the extracts of a Microcystis sp. bloom collected in Alonim reservoir, Valley of Armagedon, Israel. The planar structure of the compounds was determined by homonuclear and inverse-heteronuclear 2D-NMR techniques as well as high-resolution mass spectrometry. The absolute configuration of the asymmetric centers of the amino acids was studied using Marfey's method for HPLC. (C) 2008 Elsevier Ltd. All rights reserved.
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