Abstract gem‐Chlorophenylcyclopropanes 3 are conveniently prepared by reaction of benzal chloride (1) with alkenes 2, carried out either in the presence of solid potassium hydroxide and 18‐crown‐6 as a catalyst or cesium hydroxide monohydrate, without solvent.
摘要 偕-
氯苯基
环丙烷 3 可以通过苄基
氯 (1) 与烯烃 2 的反应方便地制备,该反应在固体
氢氧化钾和 18-冠 6 作为催化剂或
氢氧化铯一
水合物存在下进行,无需溶剂。