white fluffy fine crystalline powder
It is used in the asymmetric synthesis. Part III. Stereospecific synthesis of (R)-2-hydroxy-2-phenylpropionic acid, and (R)- and (S)-2-cyclohexyl-2-hydroxy-2-phenylacetic acid. Configurational relationship between (R)(-)-2-hydroxy-2-phenylpropionic acid and (S)(+)-2-phenylpropionic acid.
Recrystallise them from *C6H6 or *C6H6/pet-ether and dry them in a vacuum. [McKenzie & Clough J Chem Soc 1019 1910, Meyers & Slade Synth Commun 6 6011972, Beilstein 10 II 157, 10 III 560, 10 IV 657.]