Furthermore, it facilitates {HEAD ~ the simultaneous distillation} of {TAIL ~ the more volatile alkanol byproduct} from the reaction mixture 
of
Furthermore , it facilitates { HEAD ~ the simultaneous distillation } of { TAIL ~ the more volatile alkanol byproduct } from the reaction mixture
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH