Nitrogen-Containing Dimeric nor-Multiflorane Triterpene from a Turraea sp.
Author(s) -
Vincent E. Rasamison,
Liva Harinantenaina,
Carla Slebodnick,
Peggy J. Brodie,
Michel Ratsimbason,
Karen TenDyke,
Yongchun Shen,
Lucien M. Randrianjanaka,
David G. I. Kingston
Publication year - 2014
Publication title -
organic letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.94
H-Index - 239
eISSN - 1523-7060
pISSN - 1523-7052
DOI - 10.1021/ol500775r
Subject(s) - triterpene , chemistry , plasmodium falciparum , ic50 , stereochemistry , cytotoxicity , in vitro , biochemistry , biology , malaria , medicine , alternative medicine , pathology , immunology
The new triterpene turranoic acid (1) and the new N-containing nor-triterpene turraenine (2), along with triptocallic acid B (3) and esculentoic acid (4) were isolated from leaves of a Turraea sp. Compounds 1-3 showed weak to moderate in vitro antiplasmodial activity against the chloroquine-resistant Plasmodium falciparum strain FCM29. Compound 1 also displayed weak cytotoxic activity against the nonsmall lung cancer cell line H522-T1 with an IC50 value of 16.4 μM.
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