A New 1,4-Diazepine from South China Sea Marine Sponge Callyspongia Species

A new 1,4-diazepine, callysponine (1), was isolated from a South China Sea Callyspongia sp. marine sponge, together with four known proline-based diketopiperazines: cyclo-(S-Pro-R-Leu) (2), cyclo-(S-Pro-R-Val) (3), cyclo-(S-Pro-R-Ala) (4), andcyclo-(S-Pro-R-Tyr) (5). The new structure was determined...

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Bibliographic Details
Main Authors: Shi-Hai Xu, Xianwen Yang, Kyung Jin Lee, Tunhai Xu, Xue-Feng Zhou, Wei Ma, Jun-De Dong, Ri-Ming Huang, Yonghong Liu
Format: Article
Language:English
Published: MDPI AG 2010-02-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/15/2/871/