Four new alkaloids, alstiphyllanines A-D (1-4), were isolated from Alstonia macrophylla, and their structures were determined by MS and 2D NMR analyses. Alkaloids 1-4 showed moderate antiplasmodial activity against Plasmodium falciparum and vasorelaxant activity against phenylephrine-induced contraction of isolated rat aorta.
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ABE F, 1994, PHYTOCHEMISTRY, V35, P253, DOI 10.1016/S0031-9422(00)90545-4
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Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, MalaysiaUniv Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Husain, K
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Jantan, I
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Jantan, I
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Said, IM
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Said, IM
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Aimi, N
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
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Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, MalaysiaUniv Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Husain, K
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Jantan, I
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Jantan, I
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Said, IM
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia
Said, IM
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Aimi, N
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机构:Univ Kebangsaan Malaysia, Fac Allied Hlth Sci, Dept Pharm, Kuala Lumpur 50300, Malaysia