Journal ArticleDOI
Triterpenoids from Cedrela sinensis
Kumiko Mitsui,Masato Maejima,Hiroaki Saito,Haruhiko Fukaya,Yukio Hitotsuyanagi,Koichi Takeya +5 more
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TLDR
In this paper, 23 triterpenoids were isolated from the seeds, leaves, and stems of Meliaceae and their structures were determined by 2D NMR experiments, X-ray crystallographic analysis, and chemical methods.About:
This article is published in Tetrahedron.The article was published on 2005-10-31. It has received 41 citations till now.read more
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Conformational analysis of furanoside-containing mono- and oligosaccharides.
Journal ArticleDOI
Triterpenoids and steroids from the fruits of Melia toosendan and their cytotoxic effects on two human cancer cell lines.
Shi-Biao Wu,Jing-Jing Su,Lianhui Sun,Wen-Xuan Wang,Yun Zhao,Hui Li,Shengping Zhang,Guang-Hui Dai,Chuangui Wang,Jin-Feng Hu +9 more
TL;DR: Ten new triterpenoids, named meliasenins I-R (1-10), one new steroid (11), and 11 related known compounds (12-22) were isolated from fruits of Melia toosendan and tested for their cytotoxicity against U20S human osteosarcoma and MCF-7 human breast cancer cells.
Journal ArticleDOI
Agladupols A–E, Triterpenoids from Aglaia duperreana
TL;DR: A (13)C NMR-based general rule for assignment of the C-21 configuration in the side chain of apotirucallane- and tiruc allane-type triterpenoids was proposed and the relative stereochemistry of 21- O-methyltoosendanpentol (1a), a known compound with the relative configurations of the stereocenters in theSide chain undetermined, was completely assigned.
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Chisopanins A-K, 11 new protolimonoids from Chisocheton paniculatus and their anti-inflammatory activities.
TL;DR: Eleven new protolimonoids, chisopanins A-K (1-11), were isolated from the twigs of Chisocheton paniculatus and showed the most potent inhibitory activities on lipopolysaccharide-stimulated inflammation factor-release with IC(50) values lower than 10 μM.
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Bioactivity-guided isolation of cytotoxic constituents of Brucea javanica collected in Vietnam
Li Pan,Young-Won Chin,Heebyung Chai,Tran Ngoc Ninh,Djaja Djendoel Soejarto,A. Douglas Kinghorn +5 more
TL;DR: Five new triterpenoids (1-5), together with two known quassinoids, bruceantin and bruceine A (7), and a known flavonolignan, (-)-hydnocarpin (8), were isolated from the chloroform-soluble subfraction of a methanol extract of the combined twigs, leaves, and inflorescence of Brucea javanica collected in Vietnam.
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Journal ArticleDOI
Limonoids from Australian members of the meliaceae
TL;DR: The seeds of Owenia acidula of Ovenia venosa were found to contain a simple limonoid and a derivative of the cyclopropane protolimonoid glabretal which has also been found in the timber of Aglaia ferruginea as discussed by the authors.
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New quassinoids, javanicolides C and D and javanicosides B--F, from seeds of Brucea javanica.
TL;DR: Two new quassinoids, javanicolides C and D, were isolated from the seeds of Brucea javanica and their structures were elucidated by analysis of spectroscopic data and chemical evidence.
Journal ArticleDOI
Limonoids and phytol derivatives from Cedrela sinensis.
TL;DR: Two new compounds, cedrellin and 2,6,10,15-phytatetraene-14-ol, together with five known compounds were isolated from leaves of Cedrela sinensis and their structures were elucidated on the basis of combined one- and two-dimensional spectral techniques.
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Triterpenoid constituents of Raulinoa echinata.
Maique W. Biavatti,Paulo C. Vieira,M. Fátima das G. F. da Silva,João B. Fernandes,Sérgio de Albuquerque +4 more
TL;DR: A phytochemical investigation of the stems of the South Brazilian endemic species Raulinoa echinata has led to the isolation of two new methoxylated protolimonoid epimers together with the known melianone and melianodiol.
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Antitumor agents. 168. Dysoxylum cumingianum. IV. The structures of cumingianosides G-O, new triterpene glucosides with a 14,18-cycloapotirucallane-type skeleton from Dysoxylum cumingianum, and their cytotoxicity against human cancer cell lines.
Toshihiro Fujioka,Akio Sakurai,Kunihide Mihashi,Yoshiki Kashiwada,Ih Sheng Chen,Kuo Hsiung Lee +5 more
TL;DR: Nine new triterpene glucosides, named cumingianosides G-O (4-7, 9, 12-15), containing a 14,18-cycloapotirucallane-type skeleton were isolated from a cytotoxic fraction of the leaves of Dysoxylumcumingianum, showing significant cytotoxicity against leukemia and melanoma cell lines.