12-05322. Khellol Glucoside [Archived]

Nomenclature

CAS number: 17226-75-4
7-[(β-d-Glucopyranosyloxy)methyl]-4-methoxy-5H-furo[3,2-g][1]benzopyran-5-one; 2-hydroxymethyl-5-methoxyfuranochrome glucoside; khellinin.
C19H20O10; mol wt 408.36.
C 55.88%, H 4.94%, O 39.18%.

Description and references

From seeds of Ammi visnaga Lam., Umbelliferae: Spth, Gruber, Ber. 74, 1549 (1941); Illing, Arzneim.-Forsch. 7, 497 (1957); from Eranthis hyemalis L., Ranunculaceae: Egger, Z. Naturforsch. 16B, 697 (1962). Structure: Fabbrini, Franchi, Ann. Chim. (Rome) 49, 894 (1959), C.A. 54, 4558f (1960).

Chemical structure

Properties

Crystals from ethanol, mp 179°. uv max (ethanol): 250, 325 nm. Soluble in acetic acid, hot ethanol; slightly sol in hot methanol. Practically insol in acetone, ethyl acetate, chloroform, ether, cold alkali.

Derivative

Tetraacetate.

Properties

Flakes from ethanol, mp 153°. Sol in ethanol, acetone, ethyl acetate. Practically insol in petr ether.

Status

This monograph has been retired and is no longer subject to revision or update.