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Obtusinones D and E, linear and angular fused dimeric icetexane diterpenoids from Premna obtusifolia roots
Abstract Two new dimeric icetexane diterpenoids, obtusinones D and E ( 1 and 2 ), were isolated from the root extracts of Premna obtusifolia . Obtusinone D ( 1 ) represents the first example of aExpand
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Bioactive prenylated xanthones and anthraquinones from Cratoxylum formosum ssp. pruniflorum
Abstract Ten new compounds (1–10), pruniflorone A–J, together with 21 known compounds (11–31) were isolated from the roots and barks of Cratoxylum formosum ssp. pruniflorum. Their structures wereExpand
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Three types of cytotoxic natural caged-scaffolds: pure enantiomers or partial racemates.
Two rare new natural products, the neocaged-xanthone pruniflorone T (1) and the rearranged caged-xanthone pruniflorone U (3), and the known caged-xanthone cochinchinone C (2) were isolated from theExpand
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Inhibition of nitric oxide production in lipopolysaccharide-activated RAW264.7 macrophages by isolated xanthones from the roots of Cratoxylum formosum ssp. pruniflorum
The inhibitory activity of extract and compounds isolated from the roots of Cratoxylum formosum ssp. pruniflorum against nitric oxide (NO) was evaluated using RAW264.7 cells. Isolation of the CH2Cl2Expand
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A cocrystal of friedelan-3β-ol and friedelin (0.75/0.25)
The title cocrystal, 0.75C30H51O·0.25C30H50O, is a disordered mixture of two compounds, viz friedelan-3β-ol and friedelin, which were isolated from Artocarpus altilis. The compound crystallizes withExpand
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Gerontoxanthone I methanol solvate
TLDR
A methanol solvate of gerontoxanthone I [systematic name: 4-(1,1-dimethyl­prop-2-en­yl)-1,3,5,6-tetra­hydr­oxy-2-(3-methylbut- 2-en-yl)-9H-xanthen-9-one methanolnate], C23H24O6·CH3OH, is reported. Expand
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Synthesis, Crystal Structure, Antioxidant, and α-Glucosidase Inhibitory Activities of Methoxy-substituted Benzohydrazide Derivatives
Eight methoxy substituted at the benzylidene moiety benzohydrazide derivatives [R = 2-OCH3 (1), 3-OCH3 (2), 4-OCH3 (3), 2,3-(OCH3)2 (4), 3,4-(OCH3)2 (5), 2,4,5-(OCH3)3 (6), 2,4,6-(OCH3)3 (7), andExpand
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1-Methyl-2-((1E,3E)-4-phenylbuta-1,3-dienyl)pyridinium iodide: Synthesis, characterization, and X-ray analysis
Abstract1-Methyl-2-((1E,3E)-4-phenylbuta-1,3-dienyl)pyridinium iodide (1) is synthesized and characterized by UV-Vis, FT-IR, 1H and 13C NMR, and single crystal X-ray diffraction. Compound 1Expand
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12-(1,1-Dimethyl-2-propen­yl)-5,9,10-trihydr­oxy-2,2-dimethyl-2H,6H-pyrano[3,2-b]xanthen-6-one
In the title compound, C23H22O6, the xanthene ring system is essentially planar and the chromene ring is in a screw-boat conformation. Position 1 of the 1,1-dimethyl-2-propenyl substituent isExpand
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Synthesis and antibacterial properties of 4-bromobenzohydrazide derivatives and crystal structure of (E)-N′-((1H-indol-3-yl)methylene)-4-bromobenzohydrazide
Six 4-bromobenzohydrazide derivatives (1–6) were synthesized by the condensation reaction of 4-bromobenzohydrazide and benzaldehydes, and evaluated for antibacterial activity. Their structures wereExpand
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