Sesquiterpene Lactones from Diaspananthus uniflorus (SCH. BIP.) KITAM

SHIGERU ADEGAWA; TOSHIO MIYASE; AKIRA UENO

doi:10.1248/cpb.35.1479

Sesquiterpene Lactones from Diaspananthus uniflorus (SCH. BIP.) KITAM

SHIGERU ADEGAWA, TOSHIO MIYASE, AKIRA UENO

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Keywords: Diaspananthus uniflorus, Compositae, sesquiterpene lactone, sesquiterpene glucoside, diaspanolide A, diaspanolide B, diaspanoside A, diaspanoside B, diaspanoside C

JOURNAL FREE ACCESS

1987 Volume 35 Issue 4 Pages 1479-1485

DOI https://doi.org/10.1248/cpb.35.1479

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Abstract

Five new guaiane-type sesquiterpene lactones, diaspanolides A (V) and B (VI) and diaspanosides A (VIII), B (IX) and C (X), have been isolated from Diaspananthus uniflorus (SCH. BIP.) KITAM. (Compositae), together with five known compounds, costunolide (I), reynosin (II), dehydrocostuslactone (III), 11, 13α-dihydrozaluzanin C (IV) and glucozaluzanin C (VII). The structures were determined on the basis of spectral data and some chemical transformations.

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