9-{4-[Bis-(2-chloro-ethyl)-amino]-phenyl}-6-hydroxy-xanthen-3-one 、
sodium dimethyldithiocarbamate 在
potassium iodide 作用下,
以
乙醇 为溶剂,
反应 24.0h,
以90%的产率得到2-[N-[2-(dimethylcarbamothioylsulfanyl)ethyl]-4-(3-hydroxy-6-oxoxanthen-9-yl)anilino]ethyl N,N-dimethylcarbamodithioate