Triterpenoids from the mangrove plant Hibiscus tiliaceus
Triterpenoids from the mangrove plant Hibiscus tiliaceus
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来自红树林植物黄槿的三萜类化合物
DOI：
10.1002/hlca.200890088
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发表时间：
2008-01-01
影响因子：
1.8
通讯作者：
Wang, Bin-Gui
中科院分区：
文献类型：
--
作者：
Feng, Chao;Li, Xiao-Ming;Wang, Bin-Gui
从红树林植物Hibiscus tiliaceus中分离得到3个新的三萜类化合物，分别为（20 E）-22-hydroxynigrum-20-en-3-one（1），21 beta-hydroxynigrum-22（29）-en-3-one（2）和21 alpha-hydroxynigrum-22（29）-en-3-one（3）。另外，已知五种三萜类化合物，包括木栓酮（4）、12-齐墩果烯-3 β-醇（5）、3 β-羟基-12-齐墩果烯-28-酸（6）、20（29）-羽扇烯-3 β，28-二醇（7）。和葫芦-5，23-二烯-3 β，25-二醇（8）。后者的结构进行了详细的NMR和MS分析，以及通过与文献报道的数据比较阐明。
Three new triterpenoids with the rarely occurring nigrum skeleton, namely (20E)-22-hydroxynigrum-20-en-3-one (1), 21 beta-hydroxynigrum-22(29)-en-3-one (2), and 21 alpha-hydroxynigrum-22(29)-en-3-one (3), were isolated from the mangrove plant Hibiscus tiliaceus. Additionally, five known triterpenoids including friedelin (4),12-oleanen-3 beta-ol (5), 3 beta-hydroxy-12-oleanen-28-oic acid (6),20(29)-lupen-3 beta,28-diol (7). and cucurbita-5,23-dien-3 beta,25-diol (8) were also isolated and identified. The latter structures were elucidated by a detailed NMR and MS analyses, as well as by comparison with reported literature data.