115459-65-9

Purify glycidol by fractional distillation.The 4-nitrobenzoates have m 56o (±); m 60-62o, [] D 20 -37.9o (c 3.38 CHCl3) for R-(-)-isomer [106268-95-5];m 60-62o, [] D 20 +38o (c 1 CHCl3) for the S-(+)-isomer [115459-65-9] and are recrystallised from Et2O or Et2O/pet ether (b 40-60o) [S-isomer: Burgos et al. J Org Chem 52 4973 1987, Sowden & Fischer J Am Chem Soc 64 1291 1942.] [Beilstein 17 I 50, 17 III/IV 985, 17/3 V 9.] Gramine.