Bioactive macrolides and polyketides from marine dinoflagellates

Verfasser / Beitragende:
[J. Kobayashi, K. Shimbo, Takaaki Kubota, M. Tsuda]
Ort, Verlag, Jahr:
2003
Enthalten in:
Pure and Applied Chemistry, 75/2-3(2003-01-01), 337-342
Format:
Artikel (online)
ID: 378866265
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024 7 0 |a 10.1351/pac200375020337  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1351/pac200375020337 
245 0 0 |a Bioactive macrolides and polyketides from marine dinoflagellates  |h [Elektronische Daten]  |c [J. Kobayashi, K. Shimbo, Takaaki Kubota, M. Tsuda] 
520 3 |a Absolute stereochemistry of amphidinolides G and H, potent cytotoxic 27- and 26-membered macrolides, respectively, isolated from a marine dinoflagellate Amphidinium sp., was determined by X-ray diffraction analysis, synthesis of a degradation product, and chemical interconversion. Six new macrolides, amphidinolides H2~H5, G2, G3, and W, have been isolated from a marine dinoflagellate Amphidinium sp. (strain Y-42), and the structures were elucidated by 2D NMR data and chemical means. The structure-activity relationship of amphidinolide H-type macrolides for cytotoxicity was examined. The biosynthetic origins of amphidinolides B, C, H, J, T1, and W were investigated on the basis of 13C NMR data of 13C-enriched samples obtained by feeding experiments with [1-13C], [2-13C], and [1,2-13C2] sodium acetates in cultures of the dinoflagellates. Five novel long-chain polyhydroxyl compounds, colopsinols A~E, were obtained from the Amphidinium sp. (strain Y-5). 
540 |a © 2013 Walter de Gruyter GmbH, Berlin/Boston 
700 1 |a Kobayashi  |D J.  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
700 1 |a Shimbo  |D K.  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
700 1 |a Kubota  |D Takaaki  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
700 1 |a Tsuda  |D M.  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kubota  |D Takaaki  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tsuda  |D M.  |u Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-012, Japan  |4 aut 
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