Sinulobatins A similar to D, new amphilectane-type diterpenoids from the Japanese soft coral Sinularia nanolobata

被引:24
|
作者
Yamada, K [1 ]
Ujiie, T [1 ]
Yoshida, K [1 ]
Miyamoto, T [1 ]
Higuchi, R [1 ]
机构
[1] KYUSHU UNIV,FAC PHARMACEUT SCI,HIGASHI KU,FUKUOKA 81282,JAPAN
关键词
D O I
10.1016/S0040-4020(97)00169-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Four new amphilectane-type diterpenoids, sinulobatins A (1), B (2), C(3) and D (4) were isolated from the Japanese soft coral Sinularia nanolobata. Their determined based on spectroscopic evidence and single crystal X-ray analysis. The absolute stereochemistry of 1 was elucidated on the basis of its CD spectrum. These compounds exhibited cytotoxicity against L1210 cells and KB cells in vitro with IC50 values of 3.0 - 7.7 mu g/mL. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:4569 / 4578
页数:10
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