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- Title
New Nitrogenous Bisabolene-Type Sesquiterpenes from a Hainan Sponge Axinyssa aff. variabilis.
- Authors
Shui-Chun Mao; Yue-Wei Guo; Rob van 4;Soest; Guido Cimino
- Abstract
Two new uncommon nitrogenous sesquiterpenes, 11-ethoxy-3-formamidotheonellin (1) and 7-ethoxy-3-formamidobisabolane-8,10-diene (2), together with two known related sesquiterpenes, 3-formamidotheonellin (=theonellin formamide; 3) and theonellin isothiocyanate (4), were isolated from the Hainan sponge Axinyssa aff. variabilis. Their structures were determined on the basis of extensive spectroscopic analysis and by comparison of their NMR data with those of known compounds.
- Subjects
SESQUITERPENES; TERPENES; SPECTRUM analysis; MAGNETIC resonance imaging
- Publication
Helvetica Chimica Acta, 2007, Vol 90, Issue 3, p588
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.200790059