The epoxyether of a-halocyclohexyl phenyl ketone has been prepared. This a-haloketone had previously been reported to undergo a Favorski type rearrangement in the presence of base. The epoxyether of the a-haloketone was shown not to be an intermediate in this type of rearrangement. A new modification for the preparation of epoxyethers is introduced, and cleavage reactions of the epoxyether with water, alcohol, and organic acids are reported. ...