4-(5-amino-pyridin-3-yl)-2-chloro-benzonitrile 、
(2-氯苯基)甲基磺酰氯 在
crude product 、 SiO2 、
methanol-dichloromethane 作用下,
以
吡啶 为溶剂,
以to give N-[5-(3-chloro-4-cyano-phenyl)-pyridin-3-yl]-1-(2-chloro-phenyl)-methanesulfonamide (15.1 mg, >95% purity, yield: 41.5%)的产率得到N-[5-(3-chloro-4-cyanophenyl)-pyridin-3-yl]-1-(2-chlorophenyl)methanesulfonamide