Properties: Yellow needles from methanol, mp 220-223°. uv max (methanol): 275, 335 nm. Sol in alcohol, acetone, ether, ethyl acetate. Practically insol in water, benzene, chloroform, petr ether.
Melting point: mp 220-223°
Absorption maximum: uv max (methanol): 275, 335 nm
Derivative Type: Diacetate
Percent Composition: C 63.32%, H 4.55%, O 32.13%
Properties: Needles from 96% alcohol, mp 151°.
Melting point: mp 151°
Derivative Type: 7-Rutinoside
Additional Names: Pectolinarin; neolinarin
Percent Composition: C 55.95%, H 5.50%, O 38.55%
Properties: From leaves of L. vulgaris Mill., Scrophulariaceae: Klobb, Compt. Rend.
145, 331 (1907); Zemplén et al., Ber.
75, 489 (1942); from Cirsium oleraceum Scop., Compositae: Wagner et al., Arch. Pharm.
293, 1053 (1960). Structure: Zemplén, Bognár, Ber.
74, 1818 (1941). Yellow crystals from methanol, mp 275°. uv max (methanol): 275, 330 nm (log e 4.256, 4.365).
Melting point: mp 275°
Absorption maximum: uv max (methanol): 275, 330 nm (log e 4.256, 4.365)
产品链接: 520-12-7››