A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. ...A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. Its structure was characterized by spectral analysis and confurmed by X-ray crystallographic analysis.展开更多
Extraction of the soft coral Cladiella similis with 95% ethanol followed by partition between petroleum ether and water, and extensive chromatography on silica gel column eluting with petroleum ether-acetone (9.5:0.5,...Extraction of the soft coral Cladiella similis with 95% ethanol followed by partition between petroleum ether and water, and extensive chromatography on silica gel column eluting with petroleum ether-acetone (9.5:0.5, 9:1 and 8:2) afforded fractions in the part of 8:2 petroleum ether-acetone from which white crystals of a new compound, dadiellisin(1), were展开更多
文摘A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. Its structure was characterized by spectral analysis and confurmed by X-ray crystallographic analysis.
基金Project supported by the National Natural Science Foundation of ChinaLaboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica
文摘Extraction of the soft coral Cladiella similis with 95% ethanol followed by partition between petroleum ether and water, and extensive chromatography on silica gel column eluting with petroleum ether-acetone (9.5:0.5, 9:1 and 8:2) afforded fractions in the part of 8:2 petroleum ether-acetone from which white crystals of a new compound, dadiellisin(1), were