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New Verticillane-Type Diterpenoids from the Taiwanese Soft Coral Cespitularia hypotentaculata

✍ Scribed by Yuan-Bin Cheng; Kuang-Liang Lo; Ching-Yeu Chen; Ashraf Taha Khalil; Ya-Ching Shen

Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
175 KB
Volume
91
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Investigation of the MeOH/CH~2~Cl~2~ extract of the soft coral Cespitularia hypotentaculata collected in Taiwan has resulted in the isolation of four new verticillane‐type diterpenoids, cespihypotins M–P (1–4). Compounds 2 and 3 are C(20)‐epimers. Compound 4 with a CO group at C(10) and a methoxycarbonyl group at C(12) may be an important precursor of cespitularins and cespihypotins. The structures of these compounds were determined on the basis of spectroscopic analyses.

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