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A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata
Yantai Institute of Coastal Zone Research for Sustainable Development, Chinese Academy of Sciences, Yantai 264003, China
Qingdao University of Science & Technology, Qingdao 266042, China
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
* Author to whom correspondence should be addressed.
Received: 25 May 2009; in revised form: 11 June 2009 / Accepted: 23 June 2009 / Published: 24 June 2009
Abstract: 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-5β-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.
Keywords: Dictyopteris divaricata; sesquiterpene; cadinane
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Wen, W.; Li, F.; Ji, N.-Y.; Li, X.-M.; Cui, C.-M.; Li, X.-D.; Zhang, L.-N.; Xue, Q.-Z.; Wang, B.-G. A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata. Molecules 2009, 14, 2273-2277.
Wen W, Li F, Ji N-Y, Li X-M, Cui C-M, Li X-D, Zhang L-N, Xue Q-Z, Wang B-G. A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata. Molecules. 2009; 14(6):2273-2277.
Wen, Wei; Li, Fang; Ji, Nai-Yun; Li, Xiao-Ming; Cui, Chuan-Ming; Li, Xiao-Dong; Zhang, Li-Na; Xue, Qin-Zhao; Wang, Bin-Gui. 2009. "A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata." Molecules 14, no. 6: 2273-2277.