ODashed lines on the structure indicate the diol reactant (center portion) and the ethyleneoxy units, which were added to each side.* Overall yields from two steps, except for entry 13. New compound with characterization given in the Experimental Section. distillation under high va~ uum.~~-~~ In a recent published procedure, benzyl-protected glycols and monochlorohydrins were utilized in a Williamson ether synthesis followed by ...