Properties: Crystals from methanol, mp 221.5-223°. [a]D25 +4.5° (95% ethanol); [a]D16 +23.1° (c = 1.13 in 10% acetic acid). Sol in chloroform, methanol, ethanol, acetone, water; slightly sol in ether. LD50 i.v. in mice: 139.0 mg/kg (Krayer).
Melting point: mp 221.5-223°
Optical Rotation: [a]D25 +4.5° (95% ethanol); [a]D16 +23.1° (c = 1.13 in 10% acetic acid)
Toxicity data: LD50 i.v. in mice: 139.0 mg/kg (Krayer)
Derivative Type: 3-Acetate
Percent Composition: C 63.14%, H 8.22%, N 2.54%, O 26.10%
Properties: Needles from ether, mp 219-221°. [a]D23 +10° (c = 1.05 in pyridine).
Melting point: mp 219-221°
Optical Rotation: [a]D23 +10° (c = 1.05 in pyridine)
Derivative Type: 16-Acetate
Percent Composition: C 63.14%, H 8.22%, N 2.54%, O 26.10%
Properties: Crystals from chloroform, mp 225-227°. [a]D23 -19° (c = 0.93 in pyridine).
Melting point: mp 225-227°
Optical Rotation: [a]D23 -19° (c = 0.93 in pyridine)
Derivative Type: 3,4,7,15,16-Pentaacetate
Percent Composition: C 61.74%, H 7.42%, N 1.95%, O 28.90%
Properties: Prisms from acetone + petr ether, dec 285-287°. [a]D23 -65° (c = 0.65 in pyridine).
Optical Rotation: [a]D23 -65° (c = 0.65 in pyridine)
产品链接: 508-65-6››