Structure of a new steroid 24<Emphasis Type="Italic">S</Emphasis>-ergost-4-en-3,6-dione from <Emphasis Type="Italic">Aconitum septentrionale</Emphasis> |
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| Authors: | K A Eshbakova B Tashkhodzhaev Zh I Tursunov K K Turgunov Kh M Bobakulov N D Abdullaev |
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| Institution: | (1) S. Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan |
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| Abstract: | β-Sitosterol and the new phytosteroid 24S-ergost-4-en-3,6-dione were isolated from the industrial extraction waste of the alkaloid-bearing plant Aconitum septentrionale Koelle. The structure of the isolated compound was determined by x-ray structure analysis and PMR, 13C NMR, and IR spectroscopy. The crystal structure of the steroid contains a disordered terminal 24-methyl,24-isopropyl group
that occupies two positions in a 0.55:0.45 ratio. |
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