Allylic and 3 bromocyclohexene bromides reacted with diorganyl diselenides or disulfides to give allylic selenides or sulfides in THF promoted by tin with moderate to good yields.

• 在金属锡促进下，烯丙基溴与二硒醚或二硫醚反应，生成烯丙基硒醚或烯丙基硫醚。