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...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2010-02-01
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Series: | Molecules |
Subjects: | |
Online Access: | http://www.mdpi.com/1420-3049/15/2/871/ |