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Grossularine, a novel indole derivative from the marine tunicate, dendrodoa grossularia

✍ Scribed by Carole Moquin; Michèle Guyot

Book ID: 104242307
Publisher: Elsevier Science
Year: 1984
Tongue: French
Weight: 156 KB
Volume: 25
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)91115-3

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✦ Synopsis

Sunnary. A nw mtie metabo&_&, duAw.d &@m indo& and dim~h~~guanidínc, wab i.bo.tated @om ththe tivúcate Dendrodoa grossuZaria.The pkoposed &&uotuhe WIL~ btied upon bpf¿cJhObcOpk euídence . The tunicate Dendrodoa grossuZaria grows in dark red clusters along the coast of Brittany. This marine animal differs from others tunicates already investigated, in that it produces indole derivatives('); among them, Dendrodoine L(2) offered the first known example of a S(II)-N bond in natural products, owing to its 1,2,4_thiadiazole nucleus. In this paper we describe isolation and structure elucidation of a new indole derivative: Grossularine 2 from the same tunicate. -Freeze-dried animals were first extracted by hexane, then by dichloromethane and ethylacetate. Combined dichloromethane

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