2-(4-chlorophenyl)-2-bromomethyl-5-prop-1-yltetrahydrofuran 、 4-(hydroxymethyl)-2-(2,4-dichlorophenyl)hept-1-ene 、
溴 、
吡啶 以
二氯甲烷 为溶剂,
以gave 2-(2,4-dichlorophenyl)-2-bromomethyl-4-prop-1-yltetrahydrofuran (1.9 g, 98%) as a pale yellow oil的产率得到2-(2,4-dichlorophenyl)-2-bromomethyl-4-prop-1-yltetrahydrofuran