[BMIM] [PF6]	1-butyl-3-methylimidazolium hexafluorophosphate
DMEA	N, N-dimethylethanolamine
EHPB	ethyl 2-hydroxy-4-phenylbutyrate
e.e. (R)	enantiomeric excesses of ethyl (R)-2-hydroxy-4-phenylbutyrate
(R)-EHPB	ethyl (R)-2-hydroxy-4-phenylbutyrate
EO	ethylene oxide
EOPB	ethyl 2-oxo-4-phenylbutyrate
ESI-MS	electron spray ionization mass spectrometry
FT-IR	Fourier transform infrared spectroscopy
GC	gas chromatography
1H-NMR	proton nuclear magnetic resonance
IL	ionic liquid
ILs	ionic liquids
PC	alpha-phenacyl chloride
PEO	polyethylene oxide
PTT	phase transformation temperature
RSCP	reaction-separation coupling process
THF	tetrahydrofuran
TIBS	thermosensitive ionic liquids–solvent biphasic system