The structure of acroptilin — A sesquiterpene lactone from Acroptilon repens

Evstratova, R. I.; Kiseleva, E. Ya.; Шейченко, В. И.; Rybalko, K. S.

doi:10.1007/bf00568994

Cited by 4 publications

(3 citation statements)

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“…The physical and spectroscopic data were in perfect agreement with those reported in the literature [11,16,24,[26][27][28][29][31][32][33].…”

Section: Methodssupporting

confidence: 89%

“…These four compounds (8)(9)(10)(11), already known as natural products, were previously isolated from Centaurea solstitialis [31], C. repens [32], C. hyssopifolia [33], and C. janeri [24], respectively, and shown to possess biological properties. In fact, chlorojanerin (11) was identified as the main component responsible for the anti-ulcerogenic activity of the fresh spiny flowers extract of C. solstitialis L. ssp.…”

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confidence: 99%

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Guaianolides from the Aerial Parts of Centaurea Hololeuca

Bruno¹,

Raccuglia

Maggio³

et al. 2006

Natural Product Communications

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Seven guaianolides were isolated from the acetone extract of the aerial parts of Centaurea hololeuca Boiss. The antifeedant activity of the natural compounds (1–7) and of four chloro derivatives (8–11), synthesized from repin (1) and janerin (3) were tested against larvae of Spodoptera littoralis. Cebellin J (6) and chlorojanerin (11) showed significant antifeedant activity at 100 ppm, whereas at this concentration cebellin G (4) and 15-deschloro-15-hydroxychlorojanerin (7) stimulated feeding. Cebellin G (4) stimulated larvae of S. littoralis to feed at low concentration, but deterred feeding at high concentrations. The addition of chlorine to repin (1) resulted in an increase in antifeedant activity.

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“…The physical and spectroscopic data were in perfect agreement with those reported in the literature [11,16,24,[26][27][28][29][31][32][33].…”

Section: Methodssupporting

confidence: 89%

mentioning

confidence: 99%

Guaianolides from the Aerial Parts of Centaurea Hololeuca

Bruno¹,

Raccuglia

Maggio³

et al. 2006

Natural Product Communications

View full text Add to dashboard Cite

show abstract

“…Previous studies has shown that several sesquiterpene lactones and flavonoids have isolated from A. repens , which have significant toxicities [ 11 ]. It has been reported that this plant contains two toxic compounds of benzoflavone and acropeltin lactone sesquiterpene [ 12 ].…”

Section: Introductionmentioning

confidence: 99%