Properties: Needles from alcohol, mp 258°. uv max (ethanol): 250, 300 nm (e 27440, 11240).
Melting point: mp 258°
Absorption maximum: uv max (ethanol): 250, 300 nm (e 27440, 11240)
Derivative Type: 7-Glucoside
Additional Names: Ononin; 4¢-methyldaidzin
Percent Composition: C 61.39%, H 5.15%, O 33.46%
Literature References: From Ononis spinosa L., Leguminosae: Hlasiwetz, J. Prakt. Chem.
65, 415 (1855). Synthesis: Farkas, Varady, Ber.
92, 819 (1959).
Properties: Needles from water, C22H22O9.H2O, mp 210-214°. When anhydr, dec 245°. [a]D25 -24.2° (pyridine). Sol in alcohol; slightly sol in water, ether.
Melting point: mp 210-214°
Optical Rotation: [a]D25 -24.2° (pyridine)
产品链接: 485-72-3››