Germacranolide fromTanacetopsis mucronata |
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| Authors: | M B Izbosarov B Kh Abduazimov I M Yusupova B Tashkhodzhaev A D Vdovin N D Abdullaev |
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| Institution: | (1) Pharmaceutical Institute, pr. Aibeka 45, 15 Tashkent;(2) Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent |
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| Abstract: | A sesquiterpene lactone of the germacrane series, mucrochin, has been isolated from the epigeal part ofTanacetopsis mucronata, and its structure has been studied by IR and mass spectral methods and PMR spectroscopy. It structure has been determined
unambiguously by x-ray structural analysis as 5,6-dihydroxy-5α,6β,7α,8β(H)-germacra-1(10),4(15) 1(13)-trien-8,12-olide. A
boat-chair conformation with a configuration of the1D14
15D5 type has been established.
Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 492–498, July–August, 1998. |
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