Properties: Plates from chloroform + methanol, needles from benzene, mp 282-285°. uv max (ethanol): 210, 215, 220, 223 nm (e 3900, 2400, 700, 250). Sol in benzene, chloroform, ether, ethyl acetate, acetic anhydride, acetic acid, phenol, pyridine, xylene; less sol in alcohol.
Melting point: mp 282-285°
Absorption maximum: uv max (ethanol): 210, 215, 220, 223 nm (e 3900, 2400, 700, 250)
Derivative Type: Acetate
Percent Composition: C 81.99%, H 11.18%, O 6.83%
Properties: Plates from chloroform + methanol, mp 303-305°. [a]D +10.5° (c = 1.8 in chloroform).
Melting point: mp 303-305°
Optical Rotation: [a]D +10.5° (c = 1.8 in chloroform)
Derivative Type: Benzoate
Percent Composition: C 83.72%, H 10.25%, O 6.03%
Properties: Needles from benzene or chloroform + alc, mp 292-293°. [a]D23 +35.7° (c = 0.7 in chloroform).
Melting point: mp 292-293°
Optical Rotation: [a]D23 +35.7° (c = 0.7 in chloroform)
产品链接: 127-22-0››