Derivative Type: Dihydrate
Properties: Needles from dil methanol, mp 153-157°. [a]D25 +30.7° (c = 1.5 in methanol); [a]D24 +26.0° (c = 1.1 in chloroform). uv max (ethanol): 217, 304 nm (log e 4.27, 1.55). Violent poison! LD100 i.v. in cats: 0.104 mg/kg (Graebner, Giesel).
Melting point: mp 153-157°
Optical Rotation: [a]D25 +30.7° (c = 1.5 in methanol); [a]D24 +26.0° (c = 1.1 in chloroform)
Absorption maximum: uv max (ethanol): 217, 304 nm (log e 4.27, 1.55)
Toxicity data: LD100 i.v. in cats: 0.104 mg/kg (Graebner, Giesel)
Derivative Type: 3¢,4¢-Diacetate
Percent Composition: C 64.06%, H 7.49%, O 28.45%
Properties: Prisms from methanol + ether, mp 237-244°. [a]D25 +41.3° (chloroform).
Melting point: mp 237-244°
Optical Rotation: [a]D25 +41.3° (chloroform)
产品链接: 630-64-8››