Purealidin D. a new alkaloid possessing a pyridinium and a bromotyrosine moiety was isolated from the Okinawan marine sponge Psammaplysilla purea and the structure elucidated on the basis of spectroscopic data. Among a variety of nitrogenous natural products from marine sponges, a number of brominat
Lipopurealins D and E and Purealidin H, New Bromotyrosine Alkaloids from the Okinawan Marine Sponge Psammaplysilla purea
β Scribed by Kobayashi, Jun'ichi; Honma, Kaori; Tsuda, Masashi; Kosaka, Toshiyuki
- Book ID
- 121339666
- Publisher
- American Chemical Society
- Year
- 1995
- Tongue
- English
- Weight
- 236 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0163-3864
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New 26, 27-cyclosterols, aragusterols E-H, were isolated from the Okinawan marine sponge of the genus Xestospongia. Their structures were determined by spectroscopic measurement and chemical conversion. The absolute configurations of xestokerols A and B were determined by chemical conversion.
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