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Recent developments in qualitative and quantitative analysis of phytochemical constituents and their metabolites using liquid chromatography-mass spectrometry.
- H. Wu, Jian Guo, +4 authors Xudong Xu
- Chemistry, Medicine
- Journal of pharmaceutical and biomedical analysis
- 29 November 2012
Over the past few years, the applications of liquid chromatography coupled with mass spectrometry (LC-MS) in natural product analysis have been dramatically growing because of the increasingly… Expand
Antimalarial and Antiproliferative Cassane Diterpenes of Caesalpinia sappan.
Bioassay-guided fractionation of a methanol extract of the seeds of Caesalpinia sappan led to the isolation of 12 new cassane-type diterpenes, caesalsappanins A-L (1-12). Their structures were… Expand
Three new cassane diterpenes from the seeds of Caesalpinia sappan
Abstract Three new cassane furanoditerpenes, phanginins N–P (1–3), together with four known ones were isolated from the seeds of Caesalpinia sappan. Their structures were elucidated on the basis of… Expand
Caesalpins A-H, bioactive cassane-type diterpenes from the seeds of Caesalpinia minax.
- G. Ma, Jingquan Yuan, +10 authors Xudong Xu
- Chemistry, Medicine
- Journal of natural products
- 12 June 2013
Eight new cassane-type diterpenes, caesalpins A-H (1-8), were isolated from the ethyl acetate extract of Caesalpinia minax. Compound 1 displayed significant antiproliferative activity against HepG-2… Expand
CYCLODEXTRINS AND THEIR DERIVATIVES IN THE RESOLUTION OF CHIRAL NATURAL PRODUCTS: A REVIEW
Many natural compounds of biological and pharmacological interest are asymmetric and show optical activities; for example, optical isomers of ephedrine produce different amphetamine-like stimulus… Expand
A new diterpene from Clinopodium chinense
A new abietane diterpene, named as 3β-hydroxy-12-O-β-d-glucopyranosyl-8,11,13-abietatrien-7-one (1), together with four known flavonoids, was isolated from the hot water extract of the aerial parts… Expand
Four new phenolic acids from Clerodendranthus spicatus
Abstract Four new phenolic acids, orthosiphoic acids A–D (1–4), together with seven known compounds were isolated from the aqueous extract of aerial parts of Clerodendranthus spicatus. Their… Expand
Pandanusphenol A and B: two new phenolic compounds from the fruits of pandanus tectorius Soland
Two new phenolic compounds, Pandanusphenol A ( 1) and B (2), were obtained from the fruits of Pandanus tectorius. Their structures including absolute configuration s were determined by extensive… Expand
Two new rotenoids from the roots of Millettia speciosa
Abstract Two new rotenoids, named millettiaosas A–B (1–2), together with four known compounds were isolated from the roots of Millettia speciosa. Their structures were elucidated on the basis of… Expand
Antimalarial diterpene alkaloids from the seeds of Caesalpinia minax.
Two new diterpene alkaloids, caesalminines A (1) and B (2), possessing a tetracyclic cassane-type furanoditerpenoid skeleton with γ-lactam ring, were isolated from the seeds of Caesalpinia minax.… Expand