منابع مشابه
Constituents from the stems of Goniothalamus griffithii.
A new cyclopeptide, grifficyclocin A (1), and a new aporphine alkaloid, griffinin (2) were isolated together with two known styryllactones from the stems of Goniothalamus griffithii. Their structures were identified spectroscopically and chemically. Among them, the griffinin (2) was isolated as the enol form in two tautomers, and the two known styryllactones, goniothalamin (3) and 8- O-acetylgo...
متن کاملChemical constituents from the stems of Diospyros maritima.
A new phenolic, bis(6-hydroxy-2,3,4-trimethoxylphen-1-yl)methane (1) and a new butanedioate, butylmethyl succinate (2), along with twenty-nine known compounds including one naphthoquinone derivative, two chromanones, eight benzenoids, one lignan, one tocopherol, and sixteen triterpenoids were isolated from the stems of Diospyros maritima. epi-Isoshinanolone (3) was isolated in pure form for the...
متن کاملBio-functional constituents from the stems of Liriodendron tulipifera.
Four known compounds have been isolated from the stems of Liriodendron tulipifera, and the structures of these pure constituents were determined using spectroscopic analysis. Isolated compounds were screened for free radical scavenging ability, metal chelating power assay and ferric reducing antioxidant power assay (FRAP). The anti-tyrosinase effects of L. tulipifera compounds were calculated t...
متن کاملChemical constituents from the leaves and stems of Schisandra lancifolia.
A new nortriterpenoid, 20-hydroxymicrandilactone D (1) and a novel lignan glycoside, lancilignanside A (2) were isolated from leaves and stems of Schisandra lancifolia, together with three known nortriterpenoids (3-5) and nine known phenolics (6-14). The structures of new compounds 1 and 2 were determined by detailed analysis of their 1D and 2D NMR spectra, and chemical evidences. In addition, ...
متن کاملChemical constituents from the roots and stems of Litsea cubeba.
A new monoterpene and a new lignan, named litsecols A and B (1 and 2), respectively, together with nine known compounds (3-11), were isolated in a continuous investigation on the roots and stems of Litsea cubeba. Their structures were elucidated on the basis of extensive spectroscopic data analysis, and the absolute configuration of 1 was resolved by X-ray diffraction analysis. Compounds 2-5 an...
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ژورنال
عنوان ژورنال: The Open Conference Proceedings Journal
سال: 2013
ISSN: 2210-2892
DOI: 10.2174/2210289201304010244