Quinolizidines alkaloids: Petrosin and xestospongins from the sponge Oceanapia sp.
DRS at CSIR-National Institute of Oceanography
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Title |
Quinolizidines alkaloids: Petrosin and xestospongins from the sponge Oceanapia sp.
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Creator |
Singh, K.S.
Das, B. Naik, C.G. |
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Subject |
sponges
alkaloids Oceanapia sp. |
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Description |
A bisquinolizidine alkaloid, petrosin (1) and a series of bis-1-oxaquinolizidine, xestospongins (2–9), were obtained from the ethyl acetate extract of the sponge Oceanapia sp. Petrosin was obtained along with xestospongin- C, D, E, F, G, H, I and J having di-hetro atom rings, from the ethyl acetate extract of the sponge. The compounds exhibited moderate to high activities against some microorganisms and clinical isolates. The structures of the alkaloids were elucidated by NMR and ESIMS spectroscopic data. The structure of petrosin was confirmed by an X-ray diffraction study.
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Date |
2011-11-11T12:50:47Z
2011-11-11T12:50:47Z 2011 |
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Type |
Journal Article
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Identifier |
Journal of Chemical Sciences, vol.123(5); 2011; 601-607
http://drs.nio.org/drs/handle/2264/3949 |
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Language |
en
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Rights |
Copyright [2011]Indian Academy of Science . All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
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Publisher |
Indian Academy of Sciences
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