Title: 5-(a-Phenylethyl)semioxamazide
CAS Registry Number: 93-95-8
CAS Name: Oxo-[(1-phenylethyl)amino]acetic acid hydrazide
Additional Names: 5-(a-methylbenzyl)semioxamazide
Molecular Formula: C10H13N3O2
Molecular Weight: 207.23
Percent Composition: C 57.96%, H 6.32%, N 20.28%, O 15.44%
Literature References: Prepd from a-phenylethylamine, ethyl oxalate, and hydrazine: Leonard, Boyer, J. Org. Chem. 15, 42 (1950).
Derivative Type: dl-Form
Properties: Fine needles from ethanol, mp 157°.
Melting point: mp 157°
Derivative Type: d-Form
Properties: Crystals, mp 167-168°. [a]D25 +102.0° (c = 1.04 in chloroform).
Melting point: mp 167-168°
Optical Rotation: [a]D25 +102.0° (c = 1.04 in chloroform)
Derivative Type: l-Form
Properties: Crystals, mp 167-168°. [a]D25 -102.5° (c = 0.625 in chloroform).
Melting point: mp 167-168°
Optical Rotation: [a]D25 -102.5° (c = 0.625 in chloroform)
Use: The racemic form as reagent for the characterization of aldehydes and ketones. The optically active forms as resolving agents for carbonyl compds possessing asymmetric carbon atoms. |