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From the ep igea l part of Inula bri tannica L. (British inula) fami ly Compositae, co l lec ted in the flowering phase in the sinks of the northeastern outskirts of the Muyun-Kuma desert (close to Chu station, Dzhambul 'skaya Oblast), we have isolated a colorless crystal l ine substance with the composit ion C19H2607, mp 189-191 ° C (from ethanol), [ct]}~… (More)
1. F. Sorm, M. Suchy, and V. Herout, Coll. Czechoslov. Chem. Commun., 24, 1548, 1989. 2. W. Herz andG. Hbgenauer, ]. Org. Chem., 26, 5011, 1961. 3. ]. Pliva, M. Horak, V. Herout, and F. Sorm, Terpenspektren, Academie-Verlag, Berlin, Tell I, 1963. 4. L. Bernardi, and G. Buchi, Exper., 18, 466, 1957. 8. R. I. Evstratova, R. Ya. Rzazade, and K. S. Rybalko,… (More)
From the epigeal part ofInula japonica Thunb. a new sesquiterpene lactone has been isolated which we have called inulicin. Structure (I) is proposed for it.
From the epigeal part of Inula oculus-Christi L. (Christeye inula) gathered in the Azerbaidzhan SSR on June 22, 1968, we ~ave isolated (yield 0.1%) a lactone (I) with the composition C17H2205, mp 197-198.5 ° C (from ethanol), [ a ] ~ 1 1 8 7 ° (c 3.77; chloroform); IR spectrum, Vmax, c m ' l : 3520 (OH), 1770 and 1661 (cq B-unsaturated 7-1actone), 1720 and… (More)