Derivative Type: D-Isomer
Properties: Syrup. [a]D18 -33° (c = 2.5).
Optical Rotation: [a]D18 -33° (c = 2.5)
Derivative Type: D-Isomer p-bromophenylhydrazone
Percent Composition: C 41.40%, H 4.74%, Br 25.04%, N 8.78%, O 20.05%
Properties: Pale yellow crystals from abs ethanol + water, mp 128-129°. [a]D20 +24° (15 min) ® -31° (7 days, in pyridine).
Melting point: mp 128-129°
Optical Rotation: [a]D20 +24° (15 min) ® -31° (7 days, in pyridine)
Derivative Type: L-Isomer
Properties: Syrup. [a]D21 +31°.
Optical Rotation: [a]D21 +31°
Derivative Type: L-Isomer p-bromophenylhydrazone
Properties: Yellow plates from dil alc, mp 128°. [a]D20 -20° (10 min) ® +22° (5 hrs, c = 0.5 in ethanol).
Melting point: mp 128°
Optical Rotation: [a]D20 -20° (10 min) ® +22° (5 hrs, c = 0.5 in ethanol)
产品链接: 5962-29-8››