The reaction of 1-(4-chlorophenoxy)-3,3-dimethyl-2-butanone (I) with dimethyl sulfide, dimethyl sulfate and sodium methoxide in acetonitrile gives 2,4-chlorophenoxymethyl)-2-(tertbutyl)oxirane (II), which is then condensed with 1,2,4-triazole (III) in refluxing ethanol.

The reaction of 1-(4-chlorophenoxy)-3,3-dimethyl-2-butanone (I) with dimethyl sulfide, dimethyl sulfate and sodium methoxide in acetonitrile gives 2,4-chlorophenoxymethyl)-2-(tertbutyl)oxirane (II), which is then condensed with 1,2,4-triazole (III) in refluxing ethanol.

The reaction of 1-(4-chlorophenoxy)-3,3-dimethyl-2-butanone (I) with dimethyl sulfide, dimethyl sulfate and sodium methoxide in acetonitrile gives 2,4-chlorophenoxymethyl)-2-(tertbutyl)oxirane (II), which is then condensed with 1,2,4-triazole (III) in refluxing ethanol.