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