1-(2-oxo-2-pyrrolidin-1-ylethyl)-3-[2-[(2-oxo-2-pyrrolidin-1-ylethyl)amino]-3H-benzimidazol-5-yl]thiourea 在
benzyltrimethylazanium tribroman-2-uide 作用下,
以
二氯甲烷 为溶剂,
生成 2-[[2-[(2-oxo-2-pyrrolidin-1-ylethyl)amino]-5H-imidazo[4,5-f][1,3]benzothiazol-6-yl]amino]-1-pyrrolidin-1-ylethanone