1,8-bis(bromomethyl)-9H-fluoren-9-one 、
硫脲 在
ice 作用下,
以
乙醇 为溶剂,
反应 0.17h,
以to obtain (9-oxo-9H-fluorene-1,8-diyl)bis(methylene) dicarbamimidothioate dihydrobromide as a yellow solid in 51% yield (0.16 g)的产率得到(9-oxo-9H-fluorene-1,8-diyl)bis(methylene) dicarbamimidothioate dihydrobromide