Sesquiterpenes from the Sponge Axinyssa isabela
✍ Scribed by Zubía, Eva; Ortega, María J.; Carballo, J. Luis
- Book ID
- 126072284
- Publisher
- American Chemical Society
- Year
- 2008
- Tongue
- English
- Weight
- 141 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0163-3864
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## Abstract Chemical investigation of an extract of the marine sponge __Axinyssa__ sp., collected from the South China Sea, led to the isolation and identification of two new sesquiterpene formamides, (4__R__\*,5__R__\*,10__R__\*)‐4‐formamidoeudesm‐7‐ene (**1**) and (4__R__\*,5__R__\*,7__S__\*,10__
## Abstract Three new N‐containing sesquiterpenes, isofarnesyl formamide (**2**), 7‐formamido‐7,8‐dihydro‐__α__‐bisabolane (**3**), 4,5‐epi‐10‐isothiocyanatoisodauc‐6‐ene (**4**), and a known sesquiterpene, farnesyl formamide (**1**), were isolated from the Hainan marine sponge __Axinyssa__ sp. The
## 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 is