 an epihalohydrin, in a two phase mixed solvent composed of {TAIL ~ water} and an organic solvent in the presence of a base and {HEAD ~ a phase transfer catalyst} 
an epihalohydrin , in a two phase mixed solvent composed of { TAIL ~ water } and an organic solvent in the presence of a base and { HEAD ~ a phase transfer catalyst }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD