Halogenated Sesquiterpenes from the Marine Red Alga Laurencia saitoi (Rhodomelaceae)

被引：21

作者：

Ji, Nai-Yun ^{[1
,2
]}

Li, Xiao-Ming ^{[1
]}

Li, Ke ^{[1
,2
]}

Wang, Bin-Gui ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

HELVETICA CHIMICA ACTA | 2009年 / 92卷 / 09期

关键词：

RADICAL-SCAVENGING ACTIVITY; POLYSIPHONIA-URCEOLATA; NIPPONICA YAMADA; CONSTITUENTS; PLANTS; BROMOPHENOLS; DECUMBENS;

D O I：

10.1002/hlca.200900073

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four new halogenated sesquiterpenes, 10-bromo-3-chloro-2,7-epoxychamigr-9-en-8a-of (1), 2,10 beta-dibromochamigra-2,7-dien-9 alpha-ol (2), (9S)-2-bromo-3-chloro-6,9-epoxybisabola-7(14),10-diene (3), and (9R)-2-bromo-3-chloro-6,9-epoxybisabola-7(14),10-diene (4), were characterized from the marine red alga Laurencia saitoi. In addition, two known halosesquiterpenes, 2,10-dibromo-3-chlorochamigr-7-en-9 alpha-ol (5) and isolaurenisol (6), were also isolated and identified. Their structures were established on the basis of extensive analysis of spectroscopic data.

引用

页码：1873 / 1879

页数：7

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