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New diterpenoids from the far-eastern gorgonian coral Plumarella sp.

✍ Scribed by Valentin A Stonik; Irina I Kapustina; Anatoly I Kalinovsky; Pavel S Dmitrenok; Boris B Grebnev

Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
129 KB
Volume
43
Category
Article
ISSN
0040-4039

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✦ Synopsis

Two new cytotoxic diterpenoids, plumarellide (1) and the ethyl ester of plumarellic acid (2), were isolated from the alcoholic extract of the gorgonian coral Plumarella sp. and their structures were established by NMR, EIMS, MALDI TOF MS, IR and UV spectroscopy.

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## Abstract Chemical investigation of the gorgonian coral __Junceella fragilis__, collected by scuba diving in Taiwan, resulted in the isolation of four new briarane‐type diterpenoids, frajunolides A–D (**1**–**4**), along with three known briaranes. Their structures were elucidated on the basis of