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Hyrtiosins A–E, Five New Scalarane Sesterterpenes from the South China Sea Sponge Hyrtios erecta

✍ Scribed by Zhi-Guo Yu; Kai-Shun Bi; Yue-Wei Guo

Publisher
John Wiley and Sons
Year
2005
Tongue
German
Weight
178 KB
Volume
88
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Five new scalarane sesterterpenes, hyrtiosins A–E (1–5), together with three previously reported sesterterpenes, 25‐dehydroxy‐12‐epi‐scalarin (6), 12‐epi‐scalarin (7) and heteronemin (9), were isolated from the South China Sea sponge Hyrtios erecta. Their structures were determined on the basis of extensive NMR studies and high‐resolution MS measurements.

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