Difenoconazole was prepared with m-dichlorobenzene and acetyl chloride as starting materials by acetylation, etherification, bromination, cyclization and condensation.

• 摘要以间二氯苯、乙酰氯等为起始原料，经酰化、醚化、溴化、环化和缩合反应，合成了苯醚甲环唑。