DL-2-Allylglycine is a racemic mixture of L- and D-allylglycine. D-allylglycine is the enantiomer of L-allylglycine, a glutamate decarboxylase (GAD) inhibitor used in GABA research. D-allylglycine may be used as a control supplement versus L-allylglycine in GABA research. D-allylglycine is used in the organic synthesis of cyclic opioid peptide agonists and antagonists.
Dissolve it in absolute EtOH and precipitate it with pyridine, then recrystallise it from aqueous EtOH [RF on paper in BuOH/EtOH/NH3/H2O (4:4:1:1:) is 0.37]. The hydrobromide has m 136-140o (from EtOAc) and the phenylureido derivative has m 159-161o. [Schgl Monatsh Chem 89 377 1958, Beilstein 4 IV 2852.]