Chemistry of Natural Compounds p. 568 - 571 (1984)
Update date:2022-08-11
Topics:
Adekenov, S. M.
Mukhametzhanov, M. N.
Kagarlitskii, A. D.
Turmukhambetov, A. Zh.
From the flower heads and leaves of Achillea nobilis collected in the flowering phase close to Balytkykol, Egindybulak region, Karaganda Province, Kazakh SSR, by extraction with chloroform and chromatography of the combined substances on a column of silica gel we have isolated a new sesquiterpene lactone anobin C15H20O5, mp 175.5-177.5 deg C and have identified for the first time estafiatin, C15H18O3, mp 102-104 deg C, <α>20 -10.3 deg (chloroform); hanphyllin, C15H20O3, mp 189 deg C (decomp.), <α>D20 +58.6 deg (c 0.39; chloroform), and 3,5-dihydroxy-6,7,8-trimethoxyflavone, C18H16O7, mp 148-150 deg C.On the basis of chemical and spectral characteristics it has been established that anobin has the structure of 4α,10α-dihydroxy-2α,3α-epoxy-5,7α(H),6β(H)-guai-11(13)-en-6,12-olide.It has been established that estafiatin possesses a pronounced growth regulating activity.
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