8-(2-chloro-5-methoxy-3,6-dimethyl-phenyl)-quinoxaline-5-carboxylic acid 、
5-(4-ethyl-piperazin-1-ylmethyl)-pyridin-2-ylamine hydrochloride 在
crude product 、 silica gel 、
methanol-dichloromethane 作用下,
反应 20.0h,
生成 8-(2-chloro-5-methoxy-3,6-dimethyl-phenyl)-quinoxaline-5-carboxylic acid [5-(4-ethyl-piperazin-1-ylmethyl)-pyridin-2-yl]-amide