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Ophirasterol, a new C31 sterol from the marine sponge Topsentia ophiraphidites

✍ Scribed by Gladys J Calderón; Leonardo Castellanos; Carmenza Duque; Shizue Echigo; Noriyuki Hara; Yoshinori Fujimoto


Book ID
116891654
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
139 KB
Volume
69
Category
Article
ISSN
0039-128X

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Topsentiasterol sulfates, antimicrobial
✍ Nobuhiro Fusetani; Motohiko Takahashi; Shigeki Matsunaga 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 382 KB

Five novel antimicrobial steroid sulfates, tqsentiastaol sulfates A-E (l-5) have been isolated from a marine sponge, Topsentio sp. Theii structures were elucidated to be 2.3.4, Ctetrahydroxy-M-methyl A%~I) sterol-2,3,6-trisulfates with unusual side chains. Topsentiasterol sulfates A-D have &de chain