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A new sesquiterpene tetronic acid derivative from the marine sponge Smenospongia sp

✍ Scribed by Marie-Lise Bourguet-Kondracki; Michèle Guyot

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
123 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

A new sesquiterpene tetronic acid derivative, named smenotronic acid 2 was isolated from the Red Sea marine sponge Srr~nospongia sp. Its structure was assigned by detailed spectroscopic analysis.

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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__