Properties: Solvated prisms from methanol which contain an undetermined amount of methanol, sinter at 140°, mp 235°. [a]D27 +31.5° (c = 1.04 in alcohol). Sol in alcohol and chloroform; slightly sol in ether, water (1:2500); practically insol in benzene, petr ether. pH of aq solns ~7. Strong positive Legal test.
Melting point: mp 235°
Optical Rotation: [a]D27 +31.5° (c = 1.04 in alcohol)
Derivative Type: Monobenzoate
Percent Composition: C 72.85%, H 7.74%, O 19.41%
Properties: Stout glistening wedges from 95% alcohol, mp 235°.
Melting point: mp 235°
Derivative Type: Dihydroperiplogenin
Percent Composition: C 70.38%, H 9.24%, O 20.38%
Properties: Stout prisms from 25% alcohol, mp 204° (slight preliminary softening).
Melting point: mp 204° (slight preliminary softening)
Derivative Type: 3-O-Acetylperiplogenin
Percent Composition: C 69.42%, H 8.39%, O 22.19%
Properties: Crystals, mp 242-244°, [a]D22 +46.9° (c = 0.32 in chloroform).
Melting point: mp 242-244°
Optical Rotation: [a]D22 +46.9° (c = 0.32 in chloroform)
产品链接: 514-39-6››