Three New 9,11-Secosterols from the Formosan Soft Coral Sinularia leptoclados

被引:20
作者
Cheng, Shi-Yie [2 ]
Chen, Hwa-Pyng [2 ]
Wang, Shang-Kwei [1 ]
Duh, Chang-Yih [2 ,3 ]
机构
[1] Kaohsiung Med Univ, Dept Microbiol, Kaohsiung 807, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Marine Biotechnol & Resources, Kaohsiung 804, Taiwan
[3] Natl Sun Yat Sen Univ, Asia Pacific Ocean Res Ctr, Kaohsiung 804, Taiwan
关键词
SPONGE SPONGIA-OFFICINALIS; GERSEMIA-FRUTICOSA; INDIAN-OCEAN; STEROIDS; STEREOCHEMISTRY; SECOSTEROIDS; DITERPENOIDS; METABOLITES;
D O I
10.1246/bcsj.20110046
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Chemical investigations of the Formosan soft coral Sinularia leptoclados resulted in the characterization of three new 9,11-secosterols, designated as leptosterols A-C (1-3), and six known 9,11-secosterols 5-10. Additionally, a cyclized 9,11-secosterol enol-ether 4 was obtained by allowing 5 to stand in CDCl3 overnight during NMR experiments. The structures of 1-4 were elucidated through extensive spectroscopic analyses. The cytotoxicity against selected cancer cells and antiviral activity against human cytomegalovirus (HCMV) of 1-10 were evaluated in vitro.
引用
收藏
页码:648 / 652
页数:5
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