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Molecules 2010, 15(2), 834-841; doi:10.3390/molecules15020834
Article

Sesterterpenes and a New Sterol from the Marine Sponge Phyllospongia foliascens

1,2,3
, 2
, 1
, 1
 and 1,*
1 Laboratory of Marine Drugs, Department of Pharmacy, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China 2 Research Center for Marine Drugs, School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China 3 Hospital of PLA Troops 95746, 22 Jichang Road, Qionglai 611531, China
* Author to whom correspondence should be addressed.
Received: 27 December 2009 / Revised: 19 January 2010 / Accepted: 21 January 2010 / Published: 5 February 2010
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Abstract

A new scalarane sesterterpene, phyllofolactone M (1), and a new sterol, (24E)-5α,6α-epoxystigmasta-7,24(28)-dien-3β-ol (3), together with a known sesterterpene, phyllofolactone B (2), were isolated from the South China Sea sponge Phyllospongia foliascens. Their structures were elucidated by spectroscopic analysis and comparison with known compounds. In addition, previous NMR data assignments for the known sesterterpene phyllofolactone B (2) were revised.
Keywords: sesterterpene; sterol; marine sponge; Phyllospongia foliascens sesterterpene; sterol; marine sponge; Phyllospongia foliascens
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Zhang, H.-J.; Yi, Y.-H.; Yang, F.; Chen, W.-S.; Lin, H.-W. Sesterterpenes and a New Sterol from the Marine Sponge Phyllospongia foliascens. Molecules 2010, 15, 834-841.

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