Properties: Monohydrate, scales from alc, mp 141.5-142°. [a]D22 +24.2° (c = 1.3 in chloroform). One gram dissolves in about 100 ml alcohol, in 200 ml dry methanol. Freely sol in hot alc, ether, chloroform. Pptd by digitonin.
Melting point: mp 141.5-142°
Optical Rotation: [a]D22 +24.2° (c = 1.3 in chloroform)
Derivative Type: Methyl ether
Percent Composition: C 83.51%, H 12.51%, O 3.97%
Properties: Needles from acetone, mp 82.5-83°. [a]D20 +20.0°.
Melting point: mp 82.5-83°
Optical Rotation: [a]D20 +20.0°
Derivative Type: Acetate
Percent Composition: C 80.87%, H 11.70%, O 7.43%
Properties: Prisms from ethyl acetate + methanol, mp 111°. [a]D20 +13.3° (c = 2 in chloroform).
Melting point: mp 111°
Optical Rotation: [a]D20 +13.3° (c = 2 in chloroform)
产品链接: 80-97-7››