4.6 Article

A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata

Journal

MOLECULES
Volume 14, Issue 6, Pages 2273-2277

Publisher

MDPI
DOI: 10.3390/molecules14062273

Keywords

Dictyopteris divaricata; sesquiterpene; cadinane

Funding

  1. Foundation of the Chinese Academy of Sciences for President's Scholarship
  2. Open Foundation of Shandong Oriental Ocean Sci-Tech Co., Ltd, Chinese Academy of Sciences [kcx2-yw-225]
  3. Key Technology Research and Development Program of Shandong Province [2007GG2QT06020]

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A sample of the marine brown alga D. divaricata collected off the coast of Yantai (P. R. China) was dried, powdered, and extracted with the mixture of CHCl3 and MeOH (1: 1, v/v). By a combination of silica gel and Sephadex LH-20 column chromatography and preparative TLC, a new cadinane sesquiterpene 1,4-epoxymuurolan-5 beta-ol (1) was isolated from this species. Its structure was established by detailed MS and NMR spectroscopic analysis, as well as comparison with literature data.

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