New alkaloids from Phoebe grandis (Nees) Merr.

被引:9
|
作者
Awang, Khalijah [1 ]
Mukhtar, Mat Ropi
Hadi, A. Hamid A.
Litaudon, Marc
Latip, Jalifah
Abdullah, Noor Rain
机构
[1] Univ Malaya, Dept Chem, Kuala Lumpur 50603, Malaysia
[2] CNRS, Inst Chim Subst Nat, F-91198 Gif Sur Yvette, France
[3] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Chem Sci & Food Technol, Bangi 43600, Malaysia
[4] Inst Med Res, Herbal Med Res Ctr, Inst Med Res, Kuala Lumpur 50588, Malaysia
关键词
proaporphine-tryptamine dimer; phoebegrandine D; phoebegrandine E; NMR; Phoebe grandis; alkaloid;
D O I
10.1080/14786410500183944
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The alkaloidal extract of the leaves of Phoebe grandis (nees) merr. have provided two new minor alkaloids; phoebegrandine D ( 1), a proaporphine - tryptamine dimer, and phoebegrandine E ( 2), an indoloquinolizidine. This is the first report on the occurrence of an indoloquinolizidine in the Phoebe species. The crude extract also exhibited antiplasmodial activity (IC50 < 8 mu g mL(-1)). The structures of the novel compounds were elucidated by spectroscopic methods, notably 2D NMR and HRMS.
引用
收藏
页码:567 / 572
页数:6
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