Title: Khellol Glucoside
CAS Registry Number: 17226-75-4
CAS Name: 7-[(b-D-Glucopyranosyloxy)methyl]-4-methoxy-5H-furo[3,2-g][1]benzopyran-5-one
Additional Names: 2-hydroxymethyl-5-methoxyfuranochrome glucoside; khellinin
Molecular Formula: C19H20O10
Molecular Weight: 408.36
Percent Composition: C 55.88%, H 4.94%, O 39.18%
Literature References: From seeds of Ammi visnaga Lam., Umbelliferae: Späth, 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).
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.
Melting point: mp 179°
Absorption maximum: uv max (ethanol): 250, 325 nm
Derivative Type: Tetraacetate
Properties: Flakes from ethanol, mp 153°. Sol in ethanol, acetone, ethyl acetate. Practically insol in petr ether.
Melting point: mp 153°
Status: This monograph has been retired and is no longer subject to revision or update. |