Derivative Type: (±)-Form
Properties: Crystals, mp 226-228°. [a]D21 -2.4°.
Melting point: mp 226-228°
Optical Rotation: [a]D21 -2.4°
Derivative Type: (±)-Form tetraacetate
Percent Composition: C 60.53%, H 4.42%, O 35.06%
Properties: Crystals from methanol, mp 147-148°.
Melting point: mp 147-148°
Derivative Type: (-)-Form
Properties: Crystals, mp 216-218°. [a]D25 -26° (c = 2 in 1:1 acetone, water).
Melting point: mp 216-218°
Optical Rotation: [a]D25 -26° (c = 2 in 1:1 acetone, water)
Derivative Type: (-)-Form tetraacetate
Properties: Crystals, mp 117-118°. [a]D23 -25.2° (c = 0.8 in tetrachloroethane).
Melting point: mp 117-118°
Optical Rotation: [a]D23 -25.2° (c = 0.8 in tetrachloroethane)
Derivative Type: (+)-Form
Properties: Needles from water, mp 228-229°. [a]D23 +28.3° (c = 0.9 in 1:1 acetone, water).
Melting point: mp 228-229°
Optical Rotation: [a]D23 +28.3° (c = 0.9 in 1:1 acetone, water)
Derivative Type: (+)-Form tetraacetate
Properties: Crystals from ethanol, mp 116-119°. [a]D25 +24.4° (c = 1.3 in tetrachloroethane).
Melting point: mp 116-119°
Optical Rotation: [a]D25 +24.4° (c = 1.3 in tetrachloroethane)
产品链接: 20725-03-5››